• 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:
    Extendable arm of traction of the front bar of traction of an awning and procedure of assembly of said arm. Extendable arm (b) of traction of the front drawbar of an awning, comprising a traction element (1) provided with an elastic element (13), in which the traction element (1) comprises a section (14) ) of adjustable length between one of its ends (12) and the elastic element (13), the length (14) being of adjustable length provided with a threaded rod (141) and a threaded tube (142) cooperating with the threaded rod (141). The invention also relates to a manufacturing and assembly process in which the ends of the traction element (1) are anchored and the threaded rod (141) is threaded into the threaded tube (142) until a desired tension of the elastic element is achieved (13) (Machine-translation by Google Translate, not legally binding)
    公开号:ES2631005A1
    申请号:ES201630210
    申请日:2016-02-24
    公开日:2017-08-25
    发明作者:Raymond Mitjavila
    申请人:Producciones Mitjavila SA；
    IPC主号:
    专利说明:

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    DESCRIPTION
    EXTENSIBLE ARM OF TRACTION OF THE FRONT BAR OF TRACTION OF A FOLDING AND ASSEMBLY PROCEDURE OF SUCH ARM
    Field of the Invention
    The present invention relates to an extensible awning traction arm whose features provide more mounting options with respect to the extension arms. In particular, the arm object of the present invention allows the prestressing of the inner elastic element without the need for a dedicated tool such effect.
    Background of the invention
    Extensible traction arms of the front pull bar of a canopy are known, of the type comprising a first arm element and a second arm element articulated with each other.
    In these arms the first arm element is constituted by a first profile, at the ends of which there is a first end of articulation with the second arm element and a second end of union to the front traction bar and the second element is constituted by a second profile at whose ends there is a first articulation end with the first arm element and a second joining end a fixed support of the arm end.
    Inside the arm there is a traction element provided with a first end, a second end and an elastic element disposed between the two ends. The first end of the traction element is integral with the first articulation end of the first arm element and the second end of the traction element is integral with the second end.
    The elastic element is tensioned so that the equilibrium position in the absence of other forces, the arm is deployed. The mobile ends of the arms are attached to the front traction bar. The fixed ends are fixed to a fixed component of the awning, where the winder housing is usually located.
    Therefore, the arms are deployed, pushing on their mobile end to the traction bar, which unwinds the awning canvas. To collect the awning, the winder must overcome the tensile force of the elastic elements, so that the arms can be folded.
    So that the arms can move the front bar and unwind the canvas, and also keep the canvas tense, it is necessary that the elastic element, which is usually a helical spring, is tightly tensioned to ensure sufficient force to overcome the resistance of the canvas . In order to perform the prestressing, it is necessary to have a special tool, which implies limitations as regards the place where the arm assembly can be carried out.
    It often happens that an intermediate client needs to give the arm a particular appearance, especially painting it with a certain color. However, the manufacturer of the arms is usually the one who has the spring prestressing tool, which implies for the latter having to paint the arms before sending it to the intermediate customer, who does not usually have the tool. Therefore, that implies that it must perform the painting operation before sending it to the intermediate customer, which implies high costs of differential treatment and storage, especially when it comes to limited series.
    Therefore, a technical solution is missing that allows the intermediate customer to receive the dismantled arm elements to proceed to give them a custom finish, before mounting the spring, but without having to acquire the tensioning tool and the necessary personnel to use it.
    Description of the invention
    In order to overcome the aforementioned drawback, the present invention proposes an extensible traction arm of the front traction bar of a canopy, comprising:
    - a first arm element and a second arm element,
    - the first arm element being constituted by a first profile, a first articulation end with the second arm element and a second end connecting to the front traction bar,
    - the second arm element being constituted by a second profile, a first articulation end with the first arm element and a second joining end a fixed support of the arm end,
    - the two arm elements being articulated by means of an articulation,
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    the arm comprising a traction element provided with a first end, a second end and an elastic element disposed between the two ends, the first end of the traction element being integral with the first articulation end of the first arm element, the second end of the traction element integral with the second end, in which the traction element comprises a section of adjustable length between its second end and the elastic element, the section of adjustable length being provided with a threaded rod and a cooperating threaded tube with the threaded rod.
    In this way, it is not necessary for the assembly stage to have a specialized tool such as the one mentioned in the background, so the arm can be mounted in any place where there are means to mutually screw the threaded rod and the threaded tube.
    In some embodiments, the elastic element has a proximal end closest to the second end of the second arm element and a distal end closer to the joint and in which the second end of the traction element corresponds to the end of the threaded rod and the tube Threading is provided with anchoring means of the proximal end of the elastic element.
    In this way, a configuration is possible that allows access to the end of the threaded rod, which can be provided with a hole for its rotary actuation by means of a tool, such as for example an Allen type wrench or equivalent.
    In some embodiments, the anchoring means are arranged at the end of the threaded tube.
    In other embodiments, the anchoring means are disposed on the external surface of the threaded tube.
    In some embodiments, the traction element comprises an inextensible traction section whose end corresponds to the first end of the traction element and whose other end is attached to the distal end of the elastic element.
    In some embodiments, the inextensible tensile section is constituted by a cable passed in double and whose ends are arranged by way of connecting rings to the distal end of the elastic element, so that the central part of the cable is arranged as an anchor, with the cable arranged inside a rectangular section cover.
    The sheath provides in the context of the present invention the advantages mentioned in the utility model U200700021 of the same holder and relative to a traction element for articulated arms, that is, it allows both the cable and the arm elements to be protected, and also provides an attractive aesthetic appearance, since the cable is not visible. Specifically, in the present invention, it allows the cable to pass through the outside of the joint, without the cables being visible.
    In some embodiments, the articulation end with the second arm element of the first arm element comprises a complementary section housing of the rectangular section of the sheath.
    With this configuration a perfect fit is achieved between the cover and the housing, which also provides a high aesthetic quality, since the outer surface of the joint can be perfectly cylindrical.
    In some embodiments, the first end of the traction element is a ring, and at the end of articulation with the second arm element of the first arm element comprises a recess provided in turn with a circular contour boss for anchoring the first end of the traction element.
    It is a compact solution that allows the anchoring part to be obtained by molding the articulation end of the first arm element.
    In some embodiments, the arm comprises a cover of the assembly constituted by the recess and the projection.
    This cover allows, like the cover, hide the parts that make up the anchor, which guarantees aesthetic quality of the arm joint.
    In some embodiments, the projection and the cover comprise means of mutual engagement.
    In some embodiments, the second end of the second arm element comprises a through hole for partial housing of the section of adjustable length, the through hole being provided with a conical widening at its distal end, and a constant section widening at its end proximal defining a support surface for the head of one end seen from the adjustable length section.
    In some embodiments, the arm comprises means to prevent rotation of the threaded tube.
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    In this way, it is possible to prevent the torque caused by screwing the threaded rod into the threaded tube from being transmitted to the elastic element, and that the rod threading is more efficient.
    The invention also relates to a method of assembling a traction extension of the front traction bar of a canopy, comprising the steps of:
    a) Obtain a first arm element and a second arm element, the first arm element being constituted by a first profile, a first articulation end with the second arm element and a second end connecting to the traction front bar , the second arm element being constituted by a second profile, a first articulation end with the first arm element and a second joining end a fixed support of the arm end,
    b) Obtain a traction element provided with a first end, a second end and an elastic element disposed between the two ends, the traction element comprising a section of adjustable length between its second end and the elastic element, the section being of adjustable length provided with a threaded rod and a threaded tube that cooperates with the threaded rod;
    c) Articulate the two arm elements by their articulation ends, so that an articulation is configured,
    d) Anchor the first end of the traction element at the first articulation end of the first arm element;
    e) Anchor the second end of the traction element at the second end,
    f) Thread the threaded rod into the threaded tube until a desired tension of the elastic element is achieved.
    This procedure allows to overcome the shortcomings of the state of the art, since operations d), e) and f) do not require a special tool for the prestressing operation of the elastic element.
    Therefore, once the elements of stages a) and b) have been produced in one place, the remaining operations can be carried out in another place. In particular, in that second place a painting operation can be carried out, before proceeding to stages c) to f), to produce small series of arms with particular colors.
    Preferably, the elastic element has a proximal end closest to the second end of the second arm element and a distal end closer to the joint and in which the second end of the traction element corresponds to the end of the threaded rod and the threaded tube is provided at one of its ends with anchoring means of the proximal end of the elastic element, in which the second end of the second arm element comprises a through hole for partial accommodation of the section of adjustable length, the through hole being provided with a widening conical at its distal end, and a constant section widening at its proximal end that defines a head support surface from one end seen from the adjustable length section, so that stage e) can be comfortably and easily performed.
    Advantageously, the first end of the traction element is a ring, and in which the articulation end with the second arm element of the first arm element comprises a recess provided in turn with a circular contour boss, in which the step d) is carried out by hooking the ring that constitutes the anchor of the first end of the traction element in the projection.
    Finally, the process comprises an additional step of coupling a cover of the assembly constituted by the recess and the projection to the projection.
    Brief description of the figures
    To complement the description and in order to help a better understanding of the characteristics of the invention, according to an example of practical realization of the same, a set of figures in which with character is accompanied as an integral part of the description Illustrative and not limiting, the following has been represented:
    Figure 1 is a perspective view of the first arm element, which is the one in contact with the front traction bar.
    Figure 2 is a perspective view of the second arm element, which is the one with the integral end with a fixed structure.
    Figures 3 and 4 are perspectives of the joint, where the sheath fit in a groove can be seen
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    perimeter of the joint.
    Figure 5 shows in perspective the basic components of the invention, although the elastic element is represented only with a line, and in which the fixing end to the fixed part is seen in section to be able to appreciate its interior arrangement.
    Figure 6 is analogous to Figure 5, but without cutting.
    Figure 7 shows an alternative embodiment in which the threaded tube is an externally threaded part for coupling at the inner end of the coil spring.
    Description of an embodiment of the invention
    As can be seen in the figures, the invention relates to an extensible traction arm B of the front traction bar of a canopy.
    This arm is composed of a first arm element B1, shown in isolation in Figure 1, and a second arm element B2, shown in Figure 2.
    The first arm element B1 is constituted by a first profile P1, a first end B11 of articulation with the second arm element B2 and a second end B12 of connection to the front traction bar.
    The second arm element B2 is constituted by a second profile P2, a first articulation end B21 with the first arm element B1 and a second joining end B22 a fixed support of the arm end B.
    As can be seen in figures 3, 5 and 6, the two arm elements B1, B2 are articulated by means of an articulation A.
    The arm B comprises in its interior a pulling element 1 provided with a first end 11, a second end 12 and an elastic element 13 disposed between the two ends 11, 12, as can be seen in Figures 5 and 6.
    The first end 11 of the traction element 1 is integral with the first end B11 of articulation of the first arm element B1, and the second end 12 of the traction element 1 is integral with the second end B22.
    These characteristics being known, according to the present invention and as shown in Figure 5, the traction element 1 comprises a section 14 of adjustable length between its second end 12 and the elastic element 13, the section 14 of adjustable length being provided of a threaded rod 141, which is preferably a screw with a head provided with an Allen key socket, and a threaded tube 142 cooperating with screw 141.
    According to the embodiment illustrated in Figure 5, the elastic element 13 has a proximal end closest to the second end B22 of the second arm element B2 and a distal end closer to the joint A and the second end 12 of the traction element 1 corresponds at the end of the threaded rod 141 and the threaded tube 142 is provided at one of its ends with anchoring means 143 of the proximal end of the elastic element 13.
    According to another alternative embodiment, illustrated in Figure 7, the threaded tube 142 is inserted into the elastic element 13, which is a helical spring, and is provided on its outer surface with the anchoring means 143 to the spring. That is, the threaded tube consists of a shorter part, although sufficient for anchoring the end of the spring 13. In particular, this part is provided with an external thread 143, complementary to the spring. To improve the anchorage, and taking advantage of the elastic characteristics of radial expansion of the spring, the threaded tube has a diameter slightly larger than the internal diameter of the spring. On the other hand, the threading between rod 141 and tube 142 has a tolerance, so that the coupling between the two is facilitated. This embodiment can be completed with a B224 washer intended to fit into the widening B223, to provide better support for the head of the threaded rod 141.
    The traction element 1 comprises an inextensible traction section whose end corresponds to the first end 11 of the traction element 1 and whose other end is attached to the distal end of the elastic element 13.
    The stretch of inextensible traction is constituted by a cable 15 passed in double and whose ends are arranged as connecting rings to the distal end of the elastic element 13, so that the central part of the cable 15 is arranged as an anchor, being the cable 15 arranged inside a sheath 16 of rectangular section. By 'double past' it should be understood that it is a single cable, with both ends
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    anchored at the distal end of the spring 13, the central part being curved to constitute an anchor loop in the projection A2.
    The end B11 of articulation with the second arm element B2 of the first arm element B1 comprises a housing A4 of complementary section of the rectangular section of the sheath 16.
    With this configuration a perfect fit is achieved between the cover and the housing, which also provides a high aesthetic quality, since the outer surface of the joint can be perfectly cylindrical.
    Although the anchoring solution in which the end of the inextensible section is fixed to the end of the first traction element has been described, it can also be conceived that this end is fixed in a rotating core inserted in the axis of the joint, in which The nucleus is integral with the first arm element. This solution is the one described for example in the documents published with the numbers ES 1 127 205 U or EP 1 650 373 B1.
    The first end 11 of the traction element is a ring, and the end B11 of articulation with the second arm element B2 of the first arm element B1 comprises a recess A1 provided in turn with a projection A2 of circular contour for anchoring the first end 11 of the traction element. This end corresponds to the loop that constitutes the 180 ° curve of the cable passed in double.
    As can be seen in Figure 5, the arm comprises a cover A3 of the assembly constituted by the recess A1 and the projection A2.
    The second end B22 of the second arm element B2 comprises a through hole B221 for the partial housing of the section 14 of adjustable length.
    In addition, the through hole B221 provided with a conical widening B222 at its distal end, and a widening B223 of constant section at its proximal end that defines a head support surface of one end seen from the section 14 of adjustable length.
    Therefore, it can be seen in Figure 5 that to make the tensioning of the spring it is sufficient to mount the different elements and proceed to screw the screw through its head, which is seen at the fixed end of the arm. To perform this operation it is only necessary to have an Allen key, so you can do without a dedicated traction tool.
    The assembly procedure of the extensible arm of the invention is very simple, and comprises the steps of:
    a) Obtain a first arm element B1 and a second arm element B2, the first arm element B1 being constituted by a first profile P1, a first articulation end B11 with the second arm element B2 and a second end B12 of connection to the traction front bar, the second arm element B2 being constituted by a second profile P2, a first articulation end B21 with the first arm element B1 and a second union end B22 a fixed support of the arm end B ,
    b) Obtain a traction element 1 provided with a first end 11, a second end 12 and an elastic element 13 disposed between the two ends 11, 12, the traction element 1 comprising a section 14 of adjustable length between its second end 12 and the elastic element 13, the section 14 of adjustable length being provided with a threaded rod 141 and a threaded tube 142 cooperating with the threaded rod 141;
    c) Eventually, finish the arm elements, such as painting it;
    d) Articulate the two arm elements B1, B2 by their articulation ends, so that an articulation A is configured,
    e) Anchor the first end 11 of the traction element 1 to the first articulation end B11 of the first arm element B1
    f) Anchor the second end 12 of the traction element 1 at the second end B22,
    g) Thread the threaded rod 141 into the threaded tube 142 until a desired tension of the elastic element 13 is achieved.
    In this text, the word “understand” and its variants as “understanding”, etc. they should not be interpreted in an exclusive way, that is, they do not exclude the possibility that what has been described includes other elements, steps etc.
    On the other hand, the invention is not limited to the specific embodiments that have been described but also covers, for example, the variants that can be made by the average expert in the field for example, in terms of the choice of materials, dimensions, components, configuration, etc., within what follows from the claims.
    权利要求:
    Claims (16)
    [1]
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    1. - Extensible arm (B) of traction of the front bar of traction of an awning, comprising:
    - a first arm element (B1) and a second arm element (B2),
    - the first arm element (B1) being constituted by a first profile (P1), a first end (B11) of articulation with the second arm element (B2) and a second end (B12) joining the front bar of traction,
    - the second arm element (B2) being constituted by a second profile (P2), a first articulation end (B21) with the first arm element (B1) and a second connecting end (B22) a fixed end support of the arm (B),
    - the two arm elements (B1, B2) being articulated by means of an articulation (A),
    the arm (B) comprising a pulling element (1) provided with a first end (11), a second end (12) and an elastic element (13) disposed between the two ends (11, 12), the first end (11) of the traction element (1) integral with the first end (B11) of articulation of the first arm element (B1), the second end (12) of the traction element (1) being integral with the second end (B22) ), characterized in that the traction element (1) comprises a section (14) of adjustable length between its second end (12) and the elastic element (13), the section (14) being of adjustable length provided with a threaded rod (141) and a threaded tube (142) that cooperates with the threaded rod (141).
    [2]
    2. - Arm according to claim 1, wherein the elastic element (13) has a proximal end closest to the second end (B22) of the second arm element (B2) and a distal end closer to the joint (A) and wherein the second end (12) of the traction element (1) corresponds to the end of the threaded rod (141) and the threaded tube (142) is provided with anchoring means (143) of the proximal end of the elastic element (13 ).
    [3]
    3. - Arm according to claim 2, wherein the anchoring means (143) are arranged at the end of the threaded tube (142).
    [4]
    4. - Arm according to claim 2, wherein the anchoring means (143) are arranged on the external surface of the threaded tube (142).
    [5]
    5. Arm according to any of the preceding claims, wherein the traction element (1) comprises an inextensible traction section whose end corresponds to the first end (11) of the traction element (1) and whose other end is attached to the end distal of the elastic element (13).
    [6]
    6. Arm according to claim 5, wherein the stretch of inextensible traction is constituted by a cable (15) passed in double and whose ends are arranged as connecting rings to the distal end of the elastic element (13), so that the central part of the cable (15) is arranged as an anchor, the cable (15) being arranged inside a sheath (16) of rectangular section.
    [7]
    7. Arm according to claim 6, wherein the end (B11) of articulation with the second arm element (B2) of the first arm element (B1) comprises a complementary section housing (A4) of the rectangular section of the cover (16).
    [8]
    8. Arm according to any of the preceding claims, wherein the first end (11) of the traction element is a ring, and wherein the end (B11) of articulation with the second arm element (B2) of the first element The arm (B1) comprises a recess (A1) in turn provided with a projection (A2) of circular contour for anchoring the first end (11) of the traction element.
    [9]
    9. Arm according to claim 8, comprising a cover (A3) of the assembly constituted by the recess (A1) and the projection (A2).
    [10]
    10. Arm according to claim 9, wherein the projection (A2) and the cover (A3) comprise mutual coupling means.
    [11]
    11. Arm according to any of the preceding claims, wherein the second end (B22) of the second arm element (B2) comprises a through hole (B221) for the partial housing of the section (14) of adjustable length, the hole being through (B221) provided with a conical widening (B222) at its distal end, and a constant sectional widening (B223) at its proximal end that defines a head support surface of one end seen from the section (14) of adjustable length
    [12]
    12. Arm according to claim 2 and anyone depending on it, which comprises means to prevent rotation of the threaded tube (142).
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    [13]
    13. Procedure for assembling an extension (B) of traction of the front bar of traction of a canopy, comprising the steps of:
    a) Obtain a first arm element (B1) and a second arm element (B2), the first arm element (B1) being constituted by a first profile (P1), a first end (B11) of articulation with the second arm element (B2) and a second end (B12) of connection to the front traction bar, the second arm element (B2) being constituted by a second profile (P2), a first end (B21) of articulation with the first arm element (B1) and a second connecting end (B22) a fixed support of the arm end (B),
    b) Obtain a traction element (1) provided with a first end (11), a second end (12) and an elastic element (13) disposed between the two ends (11, 12), the traction element comprising (1) a section (14) of adjustable length between its second end (12) and the elastic element (13), the section (14) of adjustable length being provided with a threaded rod (141) and a threaded tube (142) which cooperates with the threaded rod (141);
    c) Articulate the two arm elements (B1, B2) by their articulation ends, so that an articulation (A) is configured,
    d) Anchor the first end (11) of the traction element (1) at the first end (B11) of articulation of the first arm element (B1)
    e) Anchor the second end (12) of the traction element (1) at the second end (B22),
    f) Thread the threaded rod (141) into the threaded tube (142) until a desired tension of the elastic element (13) is achieved.
    [14]
    14. Method according to claim 13, wherein the elastic element (13) has a proximal end closest to the second end (B22) of the second arm element (B2) and a distal end closest to the joint (A) and wherein the second end (12) of the traction element (1) corresponds to the end of the threaded rod (141) and the threaded tube (142) is provided at one of its ends of anchoring means (143) of the proximal end of the elastic element (13), in which the second end (B22) of the second arm element (B2) comprises a through hole (B221) for the partial housing of the section (14) of adjustable length, the through hole (B221) being provided with a conical widening (B222) at its distal end, and a widening (B223) of constant section at its proximal end that defines a head support surface of one end seen from the section (14) of adjustable length, of so that it can be done comfortably and easily the stage e).
    [15]
    15. Method according to claim 13 or 14, wherein the first end (11) of the traction element is a ring, and wherein the end (B11) of articulation with the second arm element (B2) of the first arm element (B1) comprises a recess (A1) in turn provided with a projection (A2) of circular contour, in which step d) is carried out by engaging the ring constituting the anchor of the first end (11) of the traction element in the projection (A2).
    [16]
    16. The method according to claim 15, comprising an additional step of coupling a cover (A3) of the assembly constituted by the recess (A1) and the projection (A2) to the projection (A2).
    image 1
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    B11
    B21
    Fig. 4
    B11 Fig. 3
    image4
    141
    B221 B222
    B21
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    同族专利:
    公开号 | 公开日
    EP3211152A3|2017-10-25|
    EP3211152A2|2017-08-30|
    EP3211152B1|2020-08-05|
    PT3211152T|2020-10-23|
    ES2827306T3|2021-05-20|
    ES2631005B1|2018-04-27|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US1736936A|1928-02-21|1929-11-26|Padavic John|Awning arm|
    US1915529A|1932-10-12|1933-06-27|Astrup Company|Folding awning arms|
    DE2316527A1|1973-04-03|1974-10-24|Stromeyer & Co Gmbh L|ROLLABLE AWNING|
    DE202004005859U1|2004-04-14|2004-06-09|Schmitz-Werke Gmbh + Co. Kg|Folding arm|
    US20080029225A1|2006-08-07|2008-02-07|Carefree/Scott Fetzer Company|Dual angled canopy retractable awning|
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