• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Captured panel fastener assembly. The present invention relates to a fastener (10) including a screw (12) and an eyelet assembly (14) attached to the screw (12) for securing to a workpiece (114). the eyelet assembly (14) includes an upper eyelet (16), a lower eyelet (18) attached to the upper eyelet (16), a retaining ring (20) and a housing (22) housing the retaining ring (20) within the lower eyelets (18). the upper eyelet (18) is inserted into a hole (120) on one side (116) of the workpiece (114) and the lower eyelet (18) is connected to the upper eyelet (16) through the hole (120) in a opposite side (118) of the workpiece (114). the ring (20) is inserted into the lower eyelet (18) and encapsulated by the housing (22). the screw (12) is inserted into the eyelet assembly (14) and the retaining ring (20) engages the screw (12) such that a plurality of pressure shims (94) extending from a plurality of corresponding beams and elastics (82) of the retaining ring (20) resides in an annular groove (40) of the screw (12). the ihós assembly (14) captures the bolt (12) over the workpiece (114) while providing positive support to the bolt (12).
    公开号:BR112012024450B1
    申请号:R112012024450-7
    申请日:2011-06-14
    公开日:2019-10-01
    发明作者:Luke Haylock；Rodrigo Pinheiro；Edgar Frias；Frank Cosenza
    申请人:Arconic Inc.；
    IPC主号:
    专利说明:

    CROSS REFERENCE TO RELATED REQUEST [001] This Order relates to US Interim Order also pending jointly owned number 61 / 397,617, entitled Captive panel fastener assembly, deposited on June 14, 2010 and Order of US Provisional Patent serial number 61 / 397,618, entitled Retainer ring, filed on June 14, 2010, the totalities of which are hereby incorporated by reference.
    TECHNICAL FIELD OF THE INVENTION [002] The present invention relates to fasteners and, more particularly, to fasteners of captured panel.
    BACKGROUND TECHNIQUE [003] In certain applications it is desirable to retain, that is, capture a screw, stud, or similar on a structure, while providing the ability to hold the screw in a position where a screw head is kept away from the structure, ie it is, in a supportive position. In addition, eyelets were used as hole coatings to protect the fastener wear and tear structure. What is needed is a fastener that facilitates the capture and support of the screw together with an eyelet.
    DISCLOSURE OF THE INVENTION [004] In one embodiment, a fastener that includes a screw having an elongated spike portion adapted to be positioned within a workpiece opening, the workpiece having a first side and a second side opposite the first side, the elongated spike portion having a first end, a second end opposite the first end, a head formed at the first end, a threaded portion having a plurality
    Petition 870190045975, of 05/16/2019, p. 5/36
    2/23 of external screw threads, the threaded portion being adapted to extend after the second side of the workpiece, and an annular groove formed near the second end; an upper eyelet having a receptacle and a head extending from the receptacle, the upper eyelet head having an outer surface, an inner surface, and an annular pocket formed within the inner surface, on which the upper eyelet is adapted to be installed inside the workpiece opening; a lower eyelet having a tubular portion with a first end, a second end opposite the first end of the tubular portion, a grooved portion extending from the first end of the tubular portion, and a base element extending from the second end of the tubular portion, the base element including an inner portion, in which the lower eyelet is adapted to be installed inside the upper eyelet, such that the upper eyelet receptacle is sized and shaped to accommodate the tubular portion of the lower eyelet, and the ring pocket of the upper eyelet head is dimensioned and shaped to accommodate the grooved portion of the lower eyelet; a carcass; and a retaining ring housed within the housing, in which the inner portion of the base element of the lower eyelet is dimensioned and shaped to accommodate the housing, and in which the elongated spike portion of the screw is adapted to be installed inside the upper eyelet and lower eyelet. , such that the retaining ring engages the annular groove of the screw to capture the screw.
    [005] In one embodiment, an eyelet assembly that includes the upper and lower eyelets, the retaining ring and the housing captures the screw on the workpiece while providing positive screw support, that is, where the screw head is kept away from the workpiece. In one embodiment, the screw is a solid piece and does not contain hollow portions and therefore the entire
    Petition 870190045975, of 05/16/2019, p. 6/36
    3/23 screw resistance can be used.
    [006] In one embodiment, the captured panel fixer can be used with access panels, such as those found in commercial or military aircraft. In other modalities, the fixer can be used with any type of suitable panels, structures, or parts in preparation, and in other types of fields and applications. BRIEF DESCRIPTION OF THE DRAWINGS [007] Reference is made to the detailed description that follows of the modalities, considered together with the accompanying drawings, in which:
    [008] Figure 1 is an exploded perspective view of a panel fastener captured according to the embodiment of the invention;
    [009] Figure 1A is a cross-sectional view of a screw used by the captured panel fastener shown in figure 1;
    [0010] Figures 2A through 2D are seen in bottom and top perspective of an upper eyelet used by the captured panel fastener shown in figure 1;
    [0011] Figures 3A through 3D are seen in bottom and top perspective of a lower eyelet used by the captured panel fastener shown in figure 1;
    [0012] Figures 4A and 4B are seen in top and bottom perspective of a retaining ring used by the captured panel fastener shown in figure 1;
    [0013] Figure 4C is a bottom perspective view of another embodiment of a retaining ring;
    [0014] Figures 5A through 5D are seen in bottom and top perspective of a housing used by the captured panel fastener shown in figure 1;
    [0015] Figure 6 is a perspective view of the retaining ring shown in figures 4A and 4B housed within the housing shown in
    Petition 870190045975, of 05/16/2019, p. 7/36
    4/23 figures 5A through 5D;
    [0016] Figure 7 is a cross-sectional view of the captured panel fastener shown in Figure 1, as mounted captured on a workpiece, with the screw in a support position completely retracted;
    [0017] Figures 8A and 8B are seen in a cutting room of an eyelet set used by the captured panel fastener shown in figure 7A as mounted, but without the screw;
    [0018] Figures 9A through 9C are seen in perspective of the captured panel fastener shown in figure 1 as mounted;
    [0019] Figures 10A through 10C are seen in cross section of the mounted captured panel fastener shown in figures 9A through 9C;
    [0020] Figures 11A through 11C are seen in a section of the captured captured panel fastener shown in figures 9A through 9C;
    [0021] Figures 12A through 11C are seen in cross section of a panel fastener captured according to another modality;
    [0022] Figures 13A through 13D are seen in bottom and top perspective of an eyelet used by the captured panel fastener shown in figures 12A through 12C;
    [0023] Figures 14A through 14C are seen in cross section of a panel fastener captured according to another modality;
    [0024] Figures 15A through 15D are seen in bottom and top perspective of an eyelet used by the captured panel fastener shown in figures 14A through 14C;
    [0025] Figures 16A and 16B are seen in perspective of another embodiment of a captured panel fastener;
    [0026] Figures 17A and 17B show another embodiment of a retaining ring and its associated housing;
    [0027] Figures 18A and 18B show another embodiment of a retaining ring and its associated housing;
    Petition 870190045975, of 05/16/2019, p. 8/36
    5/23 [0028] Figures 19A and 19B show another embodiment of a retaining ring and its associated housing; and [0029] Figure 20 is a top perspective view of another embodiment of a sliding tongue retention system housing.
    BEST MODE FOR CARRYING OUT INVENTION [0030] Referring to figure 1, a captured panel fastener 10 includes a screw 12 and an eyelet set 14 attached to the screw 12. In one embodiment the eyelet set 14 includes an upper eyelet 16, a lower eyelet 18, a retaining ring 20 and a housing 22. The screw 12 and the eyelet assembly 14 should be described in more detail below.
    [0031] Referring to figure 1A, in one embodiment the screw 12 includes an elongated spike portion 23 that has a first end 26 and a second end 28 opposite the first end 26, and a head 30 formed at the first end 26. embodiment the head 30 consists of a recessed head. In other embodiments, the head 30 may consist of a projecting head or any other type of head shape and dimension known in the art. In one embodiment, the head 30 includes a drive 32 that is sized and shaped to accommodate a drive tool such as a wrench, screwdriver, or the like. In one embodiment, the drive 32 can consist of any shape and dimension known in the art. In one embodiment, the spike portion 24 includes a substantially smooth cylindrical shaped portion 34 and a threaded portion 36 that has a plurality of external threads 38. In one embodiment the threads 38 are helical. In other embodiments the threads 38 can include any type of thread known in the art. In one embodiment, the cylindrical smooth portion 34 does not need to be included, and
    Petition 870190045975, of 05/16/2019, p. 9/36
    6/23 the threads 38 can extend substantially the entire length of the spike portion 24. In one embodiment the threaded portion 38 includes an annular groove 40 formed near its second end 28. In one embodiment the annular groove 40 is coincident with the threads 38. In one embodiment the screw 12 includes threads 38 below the annular groove 40 and close to the second end 28. In one embodiment the annular groove 40 is defined by a first annular portion 42 that extends approximately perpendicular to the longitudinal axis AA of the screw 12, and a second ramp portion 44 extending at an angle from the longitudinal axis AA of screw 12. The purpose and function of annular groove 40 should be described hereinafter. In one embodiment, screw 12 is made of steel. In other embodiments, the screw 12 can be made of other suitable materials known in the art. In another embodiment, the fastener 10 may include a screw or other pin elements known in the art, instead of the screw 12.
    [0032] Referring to figures 2A through 2D, in one embodiment the upper eyelet 16 includes a tubular shaped receptacle 46 which has a circular shaped opening 48 and a head 50 extending from receptacle 46. In one embodiment the head 50 is virolated. In one embodiment the head 50 includes an outer surface 52, an inner surface 54 and an annular pocket, i.e. depression 56, formed within the inner surface 54 intermediate an upper end 58 and a lower end 60 of the upper eyelet 16. A Purpose and function of pocket 56 will be described hereinafter. In one embodiment, the upper eyelet 16 is made of stainless steel. In other embodiments, the upper eyelets 16 can be made of titanium or other suitable materials known in the art. In another embodiment, the fastener 10 does not need to include the upper eyelets 16, which will be described here below.
    Petition 870190045975, of 05/16/2019, p. 10/36
    7/23 [0033] Referring to figures 3A through 3D, in one embodiment the lower eyelets 18 include a tubular portion 62 that has a circular shaped opening 64, a grooved portion 66 that extends from one end of a base element and circular shaped 68, extending from an opposite end. The base element 68 includes a top surface 74 and an annular compressive wall 72 that extends from the top surface 70 and forms an inner portion 74. In one embodiment, the lower eyelets 18 are made of stainless steel. In other embodiments, the lower eyelets 18 may be made of titanium or other suitable materials known in the art.
    [0034] Referring to figures 4A and 4B, in one embodiment the retaining ring 20 includes an outer ring 76 that has an outer surface 78, an inner surface 80 and a plurality of elastic beam elements 82 that extend inwardly from the inner surface 80. In one embodiment each of the elastic beam elements 82 includes an elongated arm 84 that has a first end 86 integrally connected to the inner surface 80 of the outer ring 76, and a second free end 88 opposite the first end 86. a slit 90 is formed between each of the arms 84 and the inner surface 80 of the outer ring 76. Slits 90 allow deflection of the elastic beam elements 82. In one embodiment each of the arms 84 is curvilinear in shape and is positioned so concentric with outer ring 76. In one embodiment, outer ring 76 is continuous. In another embodiment, the outer ring 76 does not have to be continuous and instead of the elastic beam elements 82 being curvilinear in shape, they can be configured to extend from one point on the outer ring 76 in a direction towards another point on the outer ring 76 while not passing through the center of the retaining ring 20 (not shown in the figures).
    [0035] Still making reference to figures 4A and 4B, in a
    Petition 870190045975, of 05/16/2019, p. 11/36
    8/23 embodiment each of the free ends 88 of the arms 84 includes a flap portion 92. In one embodiment each of the flap portions 92 extends substantially perpendicular to and in the same plane as the corresponding free end 88 of the arm 84. In one embodiment a pressure pad 94 extends from each of a corresponding flap portion 92. In one embodiment, each pressure pad 94 includes an outer surface 95 (see figure 4A). In one embodiment, each of the pressure pads 94 extends perpendicular to the corresponding arm 84 in a second direction, that is, 90 ° from the plane on which the retaining ring 20 is located. In one embodiment, each of the flap portions 92 is generally wider than the corresponding elastic beam element 82, and is sized to withstand the shear load on the elastic beam element 82. In one embodiment each of the pressure pads 94 it is thicker than the nominal thickness of the retainer ring 20. In one embodiment a centrally located opening 96 is formed between the free ends 88 of the beam elements 82. As will be described below, opening 96 is dimensioned and shaped to accommodate the screw 12.
    [0036] In one embodiment, as shown in figures 4A and 4B, the retaining ring 20 includes three of the elastic beam elements 82. In another embodiment, as shown in figure 4C, the retaining ring 20 can include two of the elastic beam elements 82. In other embodiments, the retaining ring 20 may include one of the elastic beam elements 82 or more than three of the elastic beam elements 82 (not shown in the figures). In one embodiment, the retaining ring 20 is made of a beta-titanium alloy. In other embodiments, the retaining ring is made of stainless steel or other suitable materials, known in the art.
    [0037] Referring to figures 5A through 5D, in one embodiment the housing 22 includes a first surface 98 and a
    Petition 870190045975, of 05/16/2019, p. 12/36
    9/23 second surface 100 opposite the first surface 98, a circular shaped outer wall 102 extending from the second surfaces 100 and a circular shaped inner wall 104 extending from the second surface 100 and spaced apart and concentric with the wall exterior 102. In one embodiment the exterior and interior walls 102, 104 form a circular shaped channel 106. In one embodiment, a centrally shaped circular shaped opening 108 extends from the first surface 98 to the second surface 100. In one embodiment In this embodiment, the inner wall 104 includes a plurality of windows 110 extending therethrough, each of which includes a stop surface 112. The purpose and function of the windows 110 and the stop surfaces 112 will be described hereinafter. In one embodiment, housing 22 is made of stainless steel. In other embodiments, the housing 22 may be made of other suitable materials, known in the art.
    [0038] Referring to figure 6, in one embodiment the housing is dimensioned and shaped to house the retaining ring 20. In an embodiment, an inner diameter of the outer wall 102 of the housing 22 is greater than the outer diameter of the outer ring 76 of the retainer ring 20 so that housing 22 accommodates retainer ring 20 within channel 106. In one embodiment, when retainer ring 20 is housed within housing 22, each of the windows 110 of housing 22 is sized and shaped to accommodate a portion corresponding portion of the flap portions 92 of the retainer ring 20. In one embodiment, the pressure pads 94 of the retainer ring 20 extend freely within the opening 108 of the housing 22, while the arms 84 of the elastic beam elements 82 of the retainer ring 20 are located within the channel 106 and are juxtaposed with the inner wall 104 of frame 22. As will be described in more detail below, in one embodiment, each of the elastic beam elements 82 is movable between and a free position in which each of the shims
    Petition 870190045975, of 05/16/2019, p. 13/36
    10/23 of pressure 94 of the retaining ring 20 reside within its corresponding window 110 of the housing 22 to an expanded position in which the outer surface 95 of the pressure pad 94 contacts the corresponding stop surface 112. In one embodiment, the slits 90 allow such movement of the elastic beam elements 82. Consequently, in one embodiment the ride of the elastic beam elements 92 is prevented by the stop sections 112 when the elastic beam elements 82 are in their expanded positions. In one embodiment, the windows 110 allow the positions of the flap portions 92 to protrude within the inner diameter of the eyelet set 14.
    [0039] Referring to figure 7, the fastener 10 is installed inside a workpiece 114 that has a first side 116 and a second side 118 opposite the first side 116, and a hole 120 that extends from the first side 116 to the second side 118. In one embodiment, workpiece 114 is a panel. In one embodiment, workpiece 114 is a carbon fiber reinforced structure. In one embodiment, the upper eyelet 16 is inserted into hole 120 of workpiece 114. In one embodiment, hole 120 includes a recessed area 122 formed on the first side 116 and sized and shaped to accommodate the head 50 of the upper eyelet 16 so that the top of the head 50 is flush with the first side 116 of the workpiece 114. In one embodiment the upper eyelet 16 aligns the recessed area 122 of the hole 120 to protect the workpiece 114 from wear and tear. In one embodiment, the fastener 10 does not need to include the upper eyelets 16.
    [0040] Referring to figures 7, 8A and 8B, in one embodiment the tubular portion 62 of the lower eyelet 18 which is originally configured without the flared portion 66 (not shown in the figures) is inserted into the opening 48 of the receptacle 46 of the upper eyelet 16 from the second side 118 of the workpiece 114. In one embodiment the
    Petition 870190045975, of 05/16/2019, p. 14/36
    11/23 receptacle 46 of the upper eyelet 16 is dimensioned and shaped to accommodate the tubular portion 62 of the lower eyelet 19. In one embodiment the grooved portion 66 is then formed by mechanically turning or oscillating the top of the tubular portion 62 of the lower eyelet 18, such that the grooved portion 66 rests within the ring pocket 56 of the upper eyelet 16. In one embodiment the top surface 70 of the base element 68 of the lower eyelet 18 is juxtaposed with the second side 118 of the workpiece 114 (see figure 7 ).
    [0041] Then, in one embodiment, the retaining ring 20 is mounted with the housing 22 as described above and shown in figure 6, and the assembly is inserted into the inner portion 74 of the lower eyelet 18 as shown in figure 7. embodiment the inner diameter of the inner portion 74 of the base element 68 of the lower eyelet 18 is greater than the outer diameter of the housing 22 and is sized and shaped to accommodate the housing 22. In one embodiment a lower end 73 of the annular compressive wall 72 is then compressed around its periphery to encapsulate the retaining ring 20 and the housing 22 within the inner portion 74 of the lower eyelet 18 and to prevent the retaining ring 20 and the housing 22 from escaping (see figure 7). This completes the assembly of the eyelet set 14.
    [0042] Then referring to figures 7 and 9A through 9c, in one embodiment the second end 28 of the screw 12 is inserted into the eyelet assembly 14 from the first side 116 of the workpiece 114, such that the threaded portion 36 of the spike 24 penetrates the openings 48, 64, of the upper and lower eyelets 16, 18, respectively (the openings 48, 64 being shown in figures 2A and 3A, respectively) until the second end 28 of the screw 12 reaches and engages the retainer ring 20. In one embodiment when the screw 12 engages the retainer ring 20, the elastic beam elements 82 are displaced and expand radially from their position of
    Petition 870190045975, of 05/16/2019, p. 15/36
    12/23 free state to its expanded position, to allow the screw 12 to travel inside the opening 96 of the retaining ring 20 which is shown in figures 4A and 4B. As mentioned above, in one embodiment the elastic beam elements 82 can expand radially until the pressure pads 94 engage the stop surfaces 112 of the housing 22, in order to prevent the elastic beam elements 82 from traveling too far apart and deform permanently ( see figure 6). Thus, in one embodiment the position of the pressure pads 94 in the flap portions 92 is configured to limit the ride of the elastic beam elements 82 when they come into contact with the stop surfaces 112 of the windows 110. In one embodiment this provides a limit for the tension on the elastic beam elements 82 when the retainer ring 20 is housed in the eyelet assembly 14. In one embodiment the inner surface 80 of the outer ring 76 of the retainer ring 20 acts as a second limit for the deflection of the elastic beam elements 82 (see figure 6).
    [0043] In an embodiment as shown in figures 7 and 11C, when the screw 12 is pushed into the retaining ring 20 and the pressure pads 94 engage and align with the annular groove 40 of the screw 12, the elastic beam elements 82 they jump back from their expanded positions to their free state positions. In this way, in one embodiment, the pressure pads 94 engage and reside within the annular groove 40, resulting in the screw 12 being captured for the eyelet assembly 14. As shown in figure 7, the screw 12 is in a complete holding position. In one embodiment, the ramp 44 portion of the screw 12 allows it to be inserted further into the workpiece 114 through the eyelet assembly 14, in order to expose the threaded portion 36 of the screw 12 from the second side 118 of the workpiece 114, to accommodate a locking element such as a nut, collar or the like (not shown in the figures). In one embodiment, the screw 12 can also be retracted back to the
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    13/23 support position. In one or more embodiments, the retaining ring 20 is dimensioned and shaped to slide over the threaded portion 36 of the screw 12 with little resistance. In one embodiment, the first annular portion 42 prevents the screw 12 from being released from the eyelet assembly 14. Figures 10A through 11C still show several cross-sectional views of the assembled fastener 10.
    [0044] In one embodiment, the pressure wedges 94 distribute the support loads and allow the retainer ring 20 to mount two adjacent threads 38 of the screw 12 and slide over the threads 38 without impedance. In one or more embodiments the thickness of the pressure pads 94 can be symmetrical to the thickness of the retainer ring 20 or it can be asymmetric to the thickness of the retainer ring 20.
    [0045] In one embodiment, as mentioned above, the fastener 10 provides support for the screw 12 while capturing the screw 12 for the eyelet assembly 14 and the workpiece 114 on which it is installed. In its free state the retaining ring 20 resides in the ring groove 40 at the second end 28 of the screw 12 to capture the screw 12 for the eyelet assembly 14. In one embodiment the intersection of the threads 38 and the ring groove 40 provide a supporting surface for the retainer ring 20 to limit the axial drive screw 12 to inhibit the screw 12 from being removed from the eyelet assembly 14. In one embodiment the screw 12 resides in the fully retracted position in which the screw 12 is in a position where the screw head 30 12 is at a maximum distance from the eyelet assembly 14 while still being captured on the workpiece 114 by the eyelet assembly 14. In one embodiment this aspect that provides resistance to remove screw 12 from workpiece 114 is measured by pushing on screw 12 to remove it from workpiece 114. In one embodiment the screw 12 is free to be moved axially from the position where the screw head 30 the 12 is a maximum distance
    Petition 870190045975, of 05/16/2019, p. 17/36
    14/23 of the workpiece as far as the head 30 of the screw 12 is in contact with the eyelet assembly 14 with an amount of force. In one mode this strength is 10 pounds. However, in one embodiment, the eyelet assembly 14 will keep the screw 12 stationary in any axial position until an external force is applied by a user. The ability of the eyelet assembly 14 to hold the screw 12 stationary is commonly referred to as supporting the screw. In one embodiment, the screw 12 is a solid piece with no hollow portions in the spike portion 24 and, therefore, all the strength of the screw 12 is used.
    [0046] In one embodiment the retainer ring 20 has a radial displacement that is capable of contracting in its free state to a diameter equivalent to a smaller diameter of the threaded portion 36 of the screw 12. In the expanded condition, a modification of the retainer ring 20 is able to pass over a larger diameter of the threaded portion 36. In one embodiment the retaining ring 20 is capable of moving from the free state to the expanded state without exceeding the elastic limit of the retaining ring 20. In one embodiment the retaining ring 20 supports or fixes the screw 12 that it accommodates. That is, the retainer ring 20 supports the screw 12 in a position concentric to the central axis of the retainer ring 20 while restricting the axial movement of the screw 12 through the retainer ring 20. In a modality movement of the screw 12 through the retainer ring 20 requires the application of an external force to overcome the restriction of the ring 20. In one embodiment the restriction of the retaining ring 20 can be adjusted by dimensioning the elastic beam elements 82.
    [0047] In one embodiment, as shown in figures 5C and 5D, the outer wall 102 of the housing 22 has a first thickness t1 while the inner wall 104 of the housing 22 has a second thickness t2 which are selected to support loading
    Petition 870190045975, of 05/16/2019, p. 18/36
    15/23 high compression especially prevalent when workpiece 114, for example a panel, is thin. In one embodiment, as used here, the term high compressive loading means a load that falls within a range from approximately 800 pounds strength to approximately 6,500 pounds strength for fastener dimensions that are from 3/16 inch (0.1875 inch) up to 3/8 inch (0.375 inch). In one embodiment, as used here, the term fine in relation to the size of the fastener means when the thickness of the workpiece 114, for example, a panel, is less than the nominal diameter of the fastener 10. For example, when the workpiece work 114 is fine and a high compressive load is applied, workpiece 114 deflects in the direction of the locking element, for example, a nut (not shown in the figures). When this occurs, it squeezes the housing 22 until it contacts the retainer ring 22. As a result, the arms 84 of the retainer ring 22 remain free and do not become disabled.
    [0048] In one embodiment the thickness t1 of the outer wall 102 of the housing 22 is in the range of approximately 0.015 inches (15 mil) to approximately 0.085 inches (85 mil). In another embodiment, the thickness t1 is in the range of approximately 0.0215 inches (21.5 mil) to approximately 0.025 inches (25 mil). In another embodiment, the thickness t1 is in the range of approximately 0.021 inches (21 mil) to approximately 0.030 inches (30 mil). In another embodiment, the t1 thickness is in the range of approximately 0.0205 inch (20.5 mil) to approximately 0.035 inch (35 mil). In another embodiment, the thickness t1 is in the range of approximately 0.020 inch (20 mil) to approximately 0.040 inch (40 mil). In another embodiment, the thickness t1 is in the range of approximately 0.0195 inches (19.5 mil) to approximately 0.045 inches (45 mil). In another modality the thickness t1 is at
    Petition 870190045975, of 05/16/2019, p. 19/36
    16/23 range from approximately 0.0190 inch (19 mil) to approximately 0.050 inch (50 mil). In another embodiment, the thickness t1 is in the range of approximately 0.0185 inches (18.5 mil) to approximately 0.055 inches (55 mil). In another embodiment, the thickness t1 is in the range of approximately 0.018 inches (18 mil) to approximately 0.060 inches (60 mil). In another embodiment, the thickness t1 is in the range of approximately 0.0175 inches (17.5 mil) to approximately 0.065 inches (65 mil). In another embodiment, the thickness t1 is in the range of approximately 0.0170 inch (17 mil) to approximately 0.070 inch (70 mil). In another embodiment, the thickness t1 is in the range of approximately 0.0165 inches (16.5 mil) to approximately 0.075 inches (75 mil). In another embodiment, the thickness t1 is in the range of approximately 0.016 inches (16 mil) to approximately 0.080 inches (80 mil).
    [0049] In one embodiment the thickness t2 of the inner wall 104 of the housing 22 is in the range of approximately 0.015 inch (15 mil) to approximately 0.085 inch (85 mil). In another embodiment, the t2 thickness is in the range of approximately 0.070 inches (70 mil) to approximately 0.080 inches (80 mil). In another embodiment, the t2 thickness is in the range of approximately 0.065 inches (65 mil) to approximately 0.075 inches (75 mil). In another embodiment, the t2 thickness is in the range of approximately 0.060 inches (60 mil) to approximately 0.072 inches (72 mil). In another embodiment, the t2 thickness is in the range of approximately 0.055 inches (55 mil) to approximately 0.069 inches (69 mil). In another embodiment, the t2 thickness is in the range of approximately 0.050 inches (50 mil) to approximately 0.066 inches (66 mil). In another embodiment, the t2 thickness is in the range of approximately 0.045 inches (45 mil) to approximately 0.063 inches (63 mil).
    Petition 870190045975, of 05/16/2019, p. 20/36
    17/23
    In another embodiment, the t2 thickness is in the range of approximately 0.040 inches (49 mil) to approximately 0.060 inches (60 mil). In another embodiment the thickness t2 is in the range of approximately 0.035 inches (35 mil) to approximately 0.057 inches (57 mil). In another embodiment the thickness t2 is in the range of approximately 0.030 inches (30 mil) to approximately 0.054 inches (54 mil) In another embodiment, the thickness t2 is in the range of approximately 0.025 inch (25 mil) to approximately 0.051 inch (51 mil). In another embodiment, the t2 thickness is in the range of approximately 0.020 inch (20 mil) to approximately 0.048 inch (48 mil). In another embodiment, the t2 thickness is in the range of approximately 0.0195 inches (19.5 mil) to approximately 0.045 inches (45 mil). In another embodiment the thickness t2 is in the range of approximately 0.019 inch (19 mil) to approximately 0.042 inch (42 mil). In another embodiment the thickness t2 is in the range of approximately 0.0185 inch (18.5 mil) to approximately 0.039 inch (39 thousand). In another embodiment, the t2 thickness is in the range of approximately 0.018 inches (18 mil) to approximately 0.036 inches (36 mil). In another embodiment, the t2 thickness is in the range of approximately 0.0175 inches (17.5 mil) to approximately 0.033 inches (33 mil). In another embodiment the thickness t2 is in the range of approximately 0.017 inch (17 mil) to approximately 0.030 inch (30 mil). In another embodiment the thickness t2 is in the range of approximately 0.0165 inch (16.5 mil) to approximately 0.027 inch (27 mil). In another embodiment, the t2 thickness is in the range of approximately 0.016 inch (16 mil) to approximately 0.024 inch (24 mil). In another embodiment, the t2 thickness is in the range of approximately 0.0155 inch (15.5 mil) to approximately 0.021 inch (21 mil).
    Petition 870190045975, of 05/16/2019, p. 21/36
    18/23 [0050] It will be understood that the fastener 10 described here is merely taken as an example and that a person skilled in the art can make several variations and modifications without departing from the complete spirit and scope of the modalities described here. For example, in one embodiment, the fastener 10 does not need to include the upper eyelets 16, and the lower eyelets 18 can be connected directly to the workpiece. In this regard, referring to Figures 12A to 12C , and 13D up to 13, in one embodiment a panel fastener 210 includes a captured screw 212, one eyelet piece 215, a retainer ring 220 and a housing 222. The fastener 210 is structured and works similar to the fastener 10 described above, except that the eyelets 215 are connected directly to the workpiece 314 by means of a grooved portion 266 (see figures 3A through 3D. In another embodiment, referring to figures 14A through 14C and 15A through 15D, a captured panel fastener 410 includes a screw 412, a disk shaped element 415, a retaining ring 420 and a housing 422. The fastener 410 [is structured and functions similar to the fastener 10, except that there are no eyelets and that element 415 is directly connected to a second side 518 of a workpiece 514. In one embodiment, element 415 may consist of other shapes and dimensions In other embodiments, element 415 may be attached to workpiece 5 14 by bonding with adhesive, welding, mechanical device such as rivets or other fasteners or other suitable fastening and grip devices known in the art.
    [0051] In another embodiment, the fastener 10 does not need to include the upper and lower eyelets 16, 18 and the housing 22. In relation to this, in the modalities shown in figures 16A and 16B the retaining ring 20 can be connected directly to the screw 12 in the as described above. In this regard, the inner surface 80 of the outer ring 76 of the retainer ring 20 limits deflection of the beam elements 82.
    [0052] Figures 17a and 17B show an embodiment of a ring
    Petition 870190045975, of 05/16/2019, p. 22/36
    19/23 retainer 520, a housing 522 and a cover 523 which is connected to housing 522. Referring to figure 17A, in one embodiment the retaining ring 520 includes three separate and distinct curved shaped swing arms 584, each of which includes a first end 586 having a V-shaped engaging element 594, and a second end 588 opposite the first end 586 and having a U-shaped hook element 589. In one embodiment the housing 522 includes a circular shaped outer wall 602 and a circular shaped inner wall 604 spaced apart from and concentric with the outer wall 602. In one embodiment the outer and inner walls 602, 604 form a circular shaped channel 606. In one embodiment the inner wall 604 includes a plurality of windows 610 that extend through it all while the outer wall 604 includes a plurality of T-shaped slits 611 formed therein. In one embodiment the frame 522 includes three of the windows 610 which are positioned equidistant from each other and three of the slots 611 which are positioned equidistant from each other. Referring to Figure 17B, in one embodiment, each of the arms 584 of the retaining ring 520 is housed within the channel 606 of the housing 522. In this regard, each of the hook elements 589 engages with a corresponding slot 611 of the housing 522 while each of the engaging elements 594 resides within a corresponding window 610.
    [0053] In one embodiment, when a screw, such as the screw 12 described above, engages the retaining ring 520, the first ends 586 of the arms 584 are displaced and expand radially from a free state position to an expanded position to enable to screw 12 travel inside ring 520 (not shown in the figures). During insertion of the screw 12 the second ends 588 of the arms 584 are held in place by means of the
    Petition 870190045975, of 05/16/2019, p. 23/36
    20/23 engagement of the hook elements 589 of the retaining ring 520 with the slots 611 of the housing 522. When the screw 12 is pushed into the retaining ring 520, the engagement elements 594 engage and align with the annular groove 40 of the screw 12 , arms 584 bounce back from their expanded positions to their free state positions (not shown in the figures). In this way, the vertices of the engagement elements 594 engage and reside within the annular groove 40 of the screw 12, resulting in the screw 12 being captured (not shown in the figures).
    [0054] Figures 18A and 18B show an embodiment of a retaining ring 720 and a housing 722. Referring to figure 18A, in one embodiment the retaining ring 720 includes a pair of distinct curved shaped swing arms 784, each of which includes a first end 786 and a second end 788 opposite the first end 786, an inner surface 789, a flap portion 792 extending from the inner surface 789 and positioned intermediate at the first and second ends 786, 788. In one embodiment pressure pad 794 extends from each of the flap portions 792. In one embodiment, frame 722 includes a circular shaped outer wall 802 and a pair of circular shaped inner walls shaped in V 804 and spaced apart from and concentric with the wall exterior 802. In one embodiment the exterior and interior walls 802, 804 form a pair of channels conforming to crescent 806. In one embodiment the inner wall 804 includes a pair of windows 810 that extend through it. In one embodiment, each of the windows 810 includes a stop surface 812. Referring to figure 18B, in one embodiment each of the arms 784 of the retaining ring 720 is housed within a correspondent of the channels 806 of the housing 722. In this regard, the inner surface 789 of the arms 784 engages the inner walls 804
    Petition 870190045975, of 05/16/2019, p. 24/36
    21/23 while each of the flap portions 792 resides within a corresponding window 810.
    [0055] In one embodiment, when a screw such as screw 12 engages retainer ring 720, arms 784 are displaced towards the outer wall 802 to enable screw 12 to travel within retainer ring 720 (not shown in the figures). In one embodiment the arms 784 move until the pressure pads 794 engage the stop surfaces 812 of the housing 722 in order to prevent the arms 784 from traveling too far and deforming permanently (not shown in the figures). In one embodiment, when the screw 12 is pushed into the retaining ring 720, the pressure pads 794 engage and align with the annular groove 40 of the screw 12, the arms 784 spring back to their free state positions. In this way, the pressure pads 794 engage and reside within the annular groove 40 of the screw 12, resulting in the screw 12 being captured.
    [0056] Figures 19A and 19B show an embodiment of a retaining ring 920 and a housing 922. Referring to figure 19A, in one embodiment the retaining ring 920 includes a pair of separate and distinct curved shaped swing arms 984, each of which includes a first end 986 which has a hook element 987 and a second end 988 opposite the first end 986 which has a flap portion 992 extending therefrom. In one embodiment, a pressure pad 994 extends from each of the flap portions 992. In one embodiment the housing 922 includes a circular shaped outer wall 1002 and a pair of arc shaped inner walls 1004, spaced apart from the outer wall 1002 In one embodiment, the inner walls 1004 are offset from each other. In one embodiment the outer and inner walls 1002, 1004 form a channel 1006. In one embodiment the inner wall
    Petition 870190045975, of 05/16/2019, p. 25/36
    22/23
    1004 includes a pair of windows 1010 that extend through it. In one embodiment, each of the windows 1010 includes a stop surface 1012. In one embodiment, a pair of diametrically opposed flaps 1003 extend from the inner surface of the outer wall 1002 and into the interior of channel 1006. Referring to figure 19B, in a embodiment each of the arms 984 of the retaining ring 920 is housed within the channel 1006 of the housing 922. In this regard, inner surfaces 989 of the arms 984 engage the inner walls 1004, while each of the flap portions 922 resides within a corresponding one of the windows 1010. In one embodiment, each of the hook elements 987 engages the end of a correspondent of the inner walls 1004 and one of the flaps 1003 of the housing 922.
    [0057] In one embodiment, when a screw such as screw 12 engages retainer ring 920, the first ends 986 of arms 984 are displaced and expand radially from a free state position to an expanded position, to allow screw 12 to travel inside the retaining ring 920 (not shown in the figures). During insertion of the screw 12, the second ends 988 of the arms 984 are held in place by engaging the hook elements 987 of the retaining ring 920. In one embodiment, the arms 984 move until the pressure pads 994 engage the stop surfaces 1012 of the housing 922 in order to prevent the 982 arms from traveling too far and deforming permanently (not shown in the figures). In one embodiment, when the screw 12 is pushed into the retaining ring 920 and the pressure pads 994 engage and align with an annular groove 40 of the screw 12, the arms 984 spring back to their free-standing positions. In this way, the pressure pads 994 engage and reside within the annular groove 40 of screw 12, resulting in screw 12 being
    Petition 870190045975, of 05/16/2019, p. 26/36
    Captured 23/23.
    [0058] Figure 20 shows an embodiment of a housing 1122 which includes a circular shaped outer wall 1202 and a circular shaped inner wall 124 spaced apart from the outer wall 1202. In one embodiment the outer and inner walls 1202, 1204 form a channel 1206 In one embodiment, the inner wall 1204 includes a plurality of windows 1210 that extend through it. In one embodiment, the housing 1122 includes a plurality of T-shaped tongues 1215 that are slidably positioned within windows 1210. In one embodiment each of the tongues 1215 includes a pressure pad 1194. In one embodiment each of the tongues 1215 includes an opening 1197 adapted to accommodate a spring 1199 which is positioned against an inner surface of the outer wall 1202.
    [0059] In one embodiment, when a screw such as screw 12 engages the housing 1122, the tongues 1215 are displaced and slide out towards the outer wall 1202, to allow the screw 12 to travel within the housing 1122 (not shown in figures). In one embodiment, the tongues 1215 move until the tongues 1215 engage the inner surface of the outer wall 1202 (not shown in the figures). In one embodiment, when the screw 12 is pushed into the housing 1122 and the pressure pads 1124 engage and align with the annular groove 40 of the screw 12, the lugs 1215 spring back in and the pressure pads 1194 engage and reside within the annular groove 40 of the screw 12, resulting in the screw 12 being captured (not shown in the figures). [0060] All variations and modifications are designed to be included within the scope of the invention, as defined in the attached claims.
    权利要求:
    Claims (14)
    [1]
    1. Fixer (10) comprising:
    a screw (12) having an elongated spike portion (24) adapted to be positioned within a workpiece opening (114), the workpiece (114) having a first side (116) and a second side ( 118) opposite the first side (116), the elongated spike portion (24) having a first end (26), a second end (28) opposite the first end (26), a head (30) formed at the first end (26) ), a threaded portion (36) having a plurality of external screw threads (38), the threaded portion (36) being adapted to extend after the second side (118) of the workpiece (114) and an annular groove (40) formed near the second end (28); and a retainer ring (22), characterized by the fact that the retainer ring (22) engages and aligns with the annular groove (40) of the screw (12) to capture the screw (12), in which the retainer ring (22) includes an outer ring (76) which has an inner surface (80) and at least one elastic beam element (82) extending from the inner surface (80), where when the screw (12) engages the retaining ring (22 ), the at least one elastic beam element (82) is displaced and expands radially from a free position to an expanded position to allow the screw (12) to travel through the retaining ring (22), and where when the retaining ring (22 ) engages and aligns with the annular groove (40) of the screw (12), the at least one elastic beam element (82) bounces back to its free position.
    [2]
    Fastener (10) according to claim 1, characterized in that the at least one elastic beam element (82) includes an elongated arm (84) that has a first end (26) connected to the inner surface (80) the outer ring (76), and
    Petition 870190045975, of 05/16/2019, p. 28/36
    2/5 a second free end (28) opposite the first end (26) of the elongated arm (84), wherein the elongated arm (84) of the at least one elastic beam element (82) and the inner surface (80) of the outer ring (76) forms a slit (90) between them.
    [3]
    Fixer (10) according to claim 2, characterized in that the at least one elastic beam element (82) of the retaining ring (22) includes a flap portion (92) formed at the second end (28) of the elongated arm (84).
    [4]
    4. Fixer (10) according to any one of the preceding claims, characterized by the fact that it further comprises:
    an upper eyelet (16) having a receptacle (46) and a head (30) extending from the receptacle (46), the head (30) of the upper eyelet (16) having an outer surface (52), a inner surface (54) and an annular pocket (56) formed inside the inner surface (54), in which the upper eyelets (16) are adapted to be installed inside the opening of the workpiece (114);
    a lower eyelet (18) having a tubular portion (62) with a first end (26), a second end (28) opposite the first end (26) of the tubular portion (62), a grooved portion (66) extends from the first end (26) of the tubular portion (62), and a base element (68) extending from the second end (28) of the tubular portion (62), the base element (68) including an inner portion ( 74), wherein the lower eyelet (18) is adapted to be installed inside the upper eyelet (16) in such a way that the receptacle (46) of the upper eyelet (16) is dimensioned and shaped to accommodate the tubular portion (62) the lower eyelet (18), and the ring pocket (56) of the head (30) of the upper eyelet (16) is dimensioned and shaped to accommodate the grooved portion (66) of the lower eyelet (18); and a carcass (22);
    Petition 870190045975, of 05/16/2019, p. 29/36
    3/5 where the retaining ring (22) is housed within the housing (22), where the inner portion (74) of the base element (68) of the lower eyelet (18) is dimensioned and shaped to accommodate the housing (22 ) and the retaining ring (22), and in which the elongated spike portion (24) of the screw (12) is adapted to be installed inside the upper eyelets (16) and lower eyelets (18).
    [5]
    Fixer (10) according to claim 4, characterized in that the housing (22) includes an outer wall (102), an inner wall (104), a channel (106) formed between the inner wall (104) ) and the outer wall (102), and an opening located centrally (108), in which the channel (106) of the housing (22) is dimensioned and shaped to accommodate the retaining ring (22) in such a way that the surface outer (78) of the outer ring (76) of the retaining ring (22) is juxtaposed with the outer wall (102) of the housing (22), and the at least one elastic beam element (82) of the retaining ring (22) is juxtaposed with the inner wall (104) of the housing (22).
    [6]
    6. Fastener (10) according to claim 5, characterized in that the at least one elastic beam element (82) includes a plurality of elastic beam elements (82).
    [7]
    Fastener (10) according to claim 6, characterized in that each of the elongated arms (84) of the plurality of elastic beam elements (82) is curvilinear in shape.
    [8]
    Fastener (10) according to claim 6 or 7, characterized in that the housing (22) includes a plurality of windows (110) formed within the interior wall (104), each of which comprises a plurality of windows (110) includes a stop surface (112) and each of the plurality of windows (110) of the housing (22) is dimensioned and shaped to accommodate a corresponding
    Petition 870190045975, of 05/16/2019, p. 30/36
    4/5 flap portions (92) of the plurality of elastic beam elements (82) of the retaining ring (22).
    [9]
    9. Fastener (10) according to claim 8, characterized in that each of the flap portions (92) of the retaining ring (22) includes a pressure pad (94), where when the plurality of elastic beam elements (82) are in their expanded positions, each of the pressure pads (94) contacts a corresponding of the stop surfaces (112) of the housing (22).
    [10]
    10. Fixer (10) according to claim 9, characterized in that each of the pressure pads (94) extends perpendicular to its elongated arm (84) corresponding to one of the plurality of elastic beam elements (82).
    [11]
    11. Fastener (10) according to claim 10, characterized in that each of the flap portions (92) extends substantially perpendicular to and in the same plane as the second end (28) of its corresponding elongated arm (84). one of the plurality of elastic beam elements (82).
    [12]
    Fastener (10) according to any one of claims 4 to 11, characterized in that the base element (68) of the lower eyelet (18) includes an annular compressive wall (72), wherein the annular compressive wall (72) ) defines the inner portion (74) of the base element (68) and in which the annular compressive wall (72) is adapted to be compressed around its periphery to encapsulate the retaining ring (22) and the housing (22) within the inner portion (74) of the base element (68).
    [13]
    13. Fastener (10) according to any one of the preceding claims, characterized in that the annular groove (40) elongated tang portion (24) of the screw (12) is defined by an annular portion (42) that extends approximately perpendicular to a longitudinal axis of the screw (12), and a portion in
    Petition 870190045975, of 05/16/2019, p. 31/36
    5/5 ramp (44) extending at an angle from the longitudinal axis of the screw (12), in which the annular portion (42) prevents the screw (12) from being released from the retaining ring (22).
    [14]
    14. Fixer (10) according to any one of the preceding claims, characterized in that the threaded portion (36) of the screw (12) includes external threads below the annular groove (40) and close to the second end (28) of the screw (12).
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    同族专利:
    公开号 | 公开日
    ES2610625T3|2017-04-28|
    JP2013539523A|2013-10-24|
    EP2553278B1|2016-08-10|
    BR112012024450A2|2016-05-31|
    EP2553278A1|2013-02-06|
    CN102364132B|2014-12-10|
    US20120027537A1|2012-02-02|
    CN202301371U|2012-07-04|
    CN202100576U|2012-01-04|
    CA2788343C|2016-04-19|
    CN102364132A|2012-02-29|
    US8740530B2|2014-06-03|
    BR112012024463B1|2020-05-05|
    AU2011267928A1|2012-12-20|
    EP2553277B1|2016-10-12|
    BR112012024463A2|2016-05-31|
    US20130330148A1|2013-12-12|
    JP5624208B2|2014-11-12|
    WO2011159668A1|2011-12-22|
    US20120027536A1|2012-02-02|
    AU2011268017B2|2013-09-05|
    CA2788339A1|2011-12-22|
    EP2553277A1|2013-02-06|
    CN102287426A|2011-12-21|
    AU2011267928B2|2014-01-09|
    US8506224B2|2013-08-13|
    AU2011268017A1|2012-12-20|
    CA2788343A1|2011-12-22|
    ES2602480T3|2017-02-21|
    CN102287426B|2014-09-03|
    JP5580473B2|2014-08-27|
    CA2788339C|2016-04-19|
    US8647036B2|2014-02-11|
    WO2011159570A1|2011-12-22|
    JP2013533944A|2013-08-29|
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    法律状态:
    2017-08-15| B25D| Requested change of name of applicant approved|Owner name: ARCONIC INC. (US) |
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-03-19| B06T| Formal requirements before examination [chapter 6.20 patent gazette]|
    2019-08-06| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2019-10-01| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/06/2011, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/06/2011, OBSERVADAS AS CONDICOES LEGAIS |
    2021-10-26| B25D| Requested change of name of applicant approved|Owner name: HOWMET AEROSPACE INC. (US) |
    2021-11-16| B25G| Requested change of headquarter approved|Owner name: HOWMET AEROSPACE INC. (US) |
    优先权:
    申请号 | 申请日 | 专利标题
    US39761710P| true| 2010-06-14|2010-06-14|
    US39761810P| true| 2010-06-14|2010-06-14|
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    US61/397,617|2010-06-14|
    PCT/US2011/040295|WO2011159668A1|2010-06-14|2011-06-14|Captive panel fastener assembly|
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