• 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:
    TOOTH SPACER ASSEMBLY FOR CONDUCTOR BEAMS This is a spacer assembly that includes first and second expansive bodies. The first expansive body has a first slit. The first slot has a first set of teeth. The second expansive body has a second slit. The fastener connects the first expansive body to the second expansive body. The fastener has a second set of teeth for engaging the first set of teeth. so that rotation of the fastener moves the first expanding body in relation to the second expanding body.
    公开号:BR102012013052B1
    申请号:R102012013052-1
    申请日:2012-05-30
    公开日:2021-06-08
    发明作者:Robert V. France；Daniel D. Dobrinski
    申请人:Hubbel Incorporated；
    IPC主号:
    专利说明:

    Cross Reference to Related Order
    [001] This application claims benefit under 35 U.S.C § 119(e) of US Provisional Application No. 61/493,592, filed June 6, 2011, which is incorporated entirely herein by reference.
    [002] US Patent Application No., filed and entitled, claiming benefit under 35 USC 119(e) of US Provisional Application No. 61/494,501, which was filed on June 8, 20111, describes the related subject matter and is incorporated entirely herein by reference. Field of Invention
    [003] The present invention generally relates to a spacer assembly for a bundle of conductors. More particularly, the present invention relates to a toothed spacer assembly to maintain a minimum distance between received conductors. Even more particularly, the present invention relates to the first and second fastening bodies of a spacer assembly having serrated portions to prevent movement of the first and second fastening bodies together after installation. Fundamentals of the Invention
    [004] In the electrical services industry, conductor bundles can be used to transmit power in large volume with reduced loss, thereby increasing transmission efficiency. A conductor bundle is a series of two, three, or four conductors separated by non-conductive spacers. Beam conductors are used in high voltage power lines to help reduce energy losses (due to the corona effect), audible noise, and radio interference. As a result, conductor bundles improve the energy transmission process.
    [005] However, a disadvantage associated with conductor beams is that they have greater sensitivity to wind action. Spacers need to maintain separation between the beam conductors to prevent sparking, particularly during stronger winds. Sparks can damage the power distribution system equipment. Consequently, there is a need for a spacer assembly that makes it easier to maintain the separation between the conductors.
    [006] There are spacers for conductor bundles in which two spacer members are slid together and then fastened together to separate the received conductors. A fastener is used to secure the two spacer members together.
    [007] The patent document US3743762A, for example, discloses a spacer for spacing parallel conductors comprising bar members having one half of a conductor clamping device at each end thereof. The fixture halves at each end of the bar members comprise a fixture half which faces outwardly therefrom and a fixture half which faces inwardly towards the bar members. The bar members face each other along flat surfaces that extend between the fixture halves. The fastener halves are adapted to secure a conductor to each of the bar members when the flat surfaces are arranged in face-to-face relationship, and the fastener halves of one bar member are opposed to those of the other. bar member. A clamping means is employed to secure and hold the clamping device halves to the conductors when the bar members are arranged in mutual engagement along their flat surfaces.
    [008] A disadvantage associated with spacers, such as that of patent document US3743762A, is that the fastener needs to be removed from at least one of the spacer members to allow them to slide together when opening or closing the spacer . An operator in the field cannot clamp the spacer members together if the fastener falls or is lost. Consequently, there is a need for a spacer for conductive members in which a fastener is not removed from any spacer member to open or close the spacer assembly.
    [009] Consequently, there is also a need to provide a spacer assembly for a bundle of conductors that is easy to install and to maintain the spacing between the conductors of the bundle of conductors. Invention Summary
    [010] An objective of the present invention is to provide a spacer assembly for a bundle of conductors that maintain a predetermined spacing between the conductors.
    [011] Another objective of the present invention is to provide a spacer assembly that is quick and easy to install.
    [012] Another objective of the present invention is to provide sawn parts in fixture bodies of the spacer assembly to prevent movement of the fixture bodies with each other after installation.
    [013] The above objectives are basically achieved by a spacer assembly including first and second fastening bodies. The first fixing body has a first slot in it. The first slot has a first set of teeth. The second fixture body has a second slot in it. The fastener connects the first fastening body to the second fastening body. The fastener has a second set of teeth for engaging the first set of teeth so that rotation of the fastener moves the first fastening body with respect to the second fastening body.
    [014] The above objectives are also basically achieved by a spacer assembly including first and second fastening bodies. The first fixture body has a fastener receiving slot and a tab receiving slot. The fastener receiving slot has a plurality of teeth. The sawn parts are formed on opposite sides of the fastener receiving slot. A second clamping body is substantially identical to the first clamping body. A fastener secures the first fastener body to the second fastener body, and has a plurality of teeth for engaging fastener receiving slot teeth of the first and second fastener bodies so that rotation of the fastener moves the first and the second fixture body. The sawn parts of the first and second fastening bodies engage with each other when the first and second bodies are connected.
    [015] The above objectives are also basically achieved by a method for spacing conductors in which a tab of a first fastening body is inserted into a slot of a second fastening body to movably connect the first fastening body. attachment to the second attachment body. A fastener received by the first and second fastening bodies is rotated in a first direction to rotate one of the fastening bodies towards the other fastening bodies to firmly receive a conductor between them.
    [016] As used in this application, the terms "front", "rear", "side" and other orientation descriptors are intended to facilitate the description of the wedge-shaped terminal attachment assembly, and are intended to limit the structure of the wedge-shaped terminal fixture mounting in any particular position or orientation.
    [017] Other objectives, advantages and characteristics of the present invention will become clear from the following detailed description, which, taken together with the attached drawings, describes a preferred embodiment of the invention. Brief Description of Drawings
    [018] The above benefits and other advantages of the various embodiments of the present invention will become clearer from the following detailed description of the exemplified embodiments of the present invention and from the accompanying drawings, in which:
    [019] FIG. 1 is a top view of a spacer assembly in accordance with an exemplified embodiment of the present invention receiving two conductors.
    [020] FIG. 2 is a partial cross-sectional side view of the spacer assembly of FIG. 1.
    [021] FIG. 3 is a side view of the spacer assembly of FIG. 1 without the conductors.
    [022] FIG. 4 is a perspective view of the spacer assembly of FIG. 1 without conductors, nuts and washers.
    [023] FIG. 5 is a side unsectional view of the spacer assembly of FIG. 4.
    [024] FIG. 6 is a top view of the spacer assembly of FIG. 4.
    [025] FIG. 7 is an exploded side view of the spacer assembly of FIG. 1.
    [026] FIG. 8 is a top view of a gear screw of the spacer assembly of FIG. 1.
    [027] FIG. 9 is a side view of the gear screw of FIG. 8.
    [028] FIG. 10 is a top view of the gear screw of FIG. 8 illustrating a tooth angle.
    [029] FIG. 11 is a perspective view of the gear screw of FIG. 8.
    [030] FIG. 12 is a perspective view of an assembled spacer assembly of FIG. 1 without the conductors.
    [031] FIG. 13 is an exploded perspective view of the spacer of FIG. 1 without the conductors.
    [032] Throughout the drawings, like reference numbers will refer to like parts, components and structures. Detailed Description of the Invention
    [033] In an exemplified embodiment of the present invention shown in FIGs. 1-13, a spacer assembly 31 is adapted to receive first and second conductors 16 and 26 and maintain a fixed spacing between them. As shown in FIGs. 1 and 2, conductors 16 and 26 are not insulated. Consequently, maintaining a fixed spacing between the high voltage conductors 16 and 26 substantially prevents sparking and other dangerous electrical occurrences that can happen when the uninsulated high voltage conductors 16 and 26 move too close together towards each other . The spacer assembly 31 in accordance with the exemplified embodiment of the present invention maintains a fixed distance between the uninsulated high voltage conductors 16 and 26 to substantially prevent sparking and other hazardous electrical occurrences from occurring.
    [034] The spacer assembly 31 includes first and second fastening bodies 1 and 201, as shown in FIGs. 1 to 7, 12 and 13. Preferably, the first and second fastening bodies 1 and 201 are substantially identical, as shown in FIGs. 7 and 13. Similar components of the second fixture body 201 are identified with the same reference number used to identify the components of the first fixture body 1, but the components of the second fixture body are identified with the series 200 (2xx , where xx is the reference number for the component of the first clamping body 1).
    [035] The fixture body 1 has a substantially flat portion 41 having first and second ends 42 and 43 and upper and lower surfaces 46 and 47, as shown in FIGs. 2 and 7. A first conductor receiving portion 51 is formed at the first end 42 and a second conductor receiving portion 61 is formed at the second end 43, as shown in FIGs. 7 and 13. A first longitudinal slit 12 is formed in the flat portion 41 and extends from the upper surface 46 to the lower surface 47, as shown in FIGs. 5 and 13. First slot 12 preferably has a substantially elongated shape with rounded ends in plan view. As shown in FIGs. 2, 3 and 7, first slot 12 has an inner portion 44 and an outer portion 45. The inner portion 44 is proximal to the lower surface 47 and the outer portion 45 is proximal to the upper surface 46, as shown in FIGs. 2 and 7. Preferably, inner part 44 is longer and narrower than outer part 45, thereby forming a shield 48 between them, as shown in FIGs. 1 and 6. The fastening body 1 is preferably integrally formed as a one-piece member. The fixing body 1 is preferably made of aluminium, although any suitable non-conductive material can be used.
    [036] The first and second sawn parts 33 and 34 are arranged on opposite sides of the first slot 12 in the lower surface 47 of the first fastening body 1, as shown in FIGs. 1 and 13. Sawn parts 33 and 34 are shown in dashed lines in FIG. 1. The sawn portions 33 and 34 preferably extend substantially perpendicular to a longitudinal axis of the first slot 12. A plurality of teeth 10 extend inwardly along an inner surface 36 of the inner part 44 of the first slot 12 of the first slot body. attachment 1. Preferably, as shown in FIG. 1, the teeth 10 extend inwardly along only one side of the inner portion 44 of the first slot 12. The first clamping body 12 has a first set of teeth 10. A second set of teeth 210 is formed on the second body of attachment 201 as shown in FIG. 1. Alternatively, only one of the first and second fastener bodies 1 and 201 has gear teeth 10 formed therein to engage fastener 3.
    [037] The first conductor receiving part 51 is connected to the first end 42 of the flat part 41 of the fastening body 1, as shown in FIGs. 2, 7 and 12. The first conductor receiving portion 51 has a first arcuate portion 53 having an inner surface 19 adapted to engage the conductor 16. The inner surface 19 faces away from the flat portion 41. ment 17 extends outwardly from a free end 56 of the first arcuate portion 53.
    [038] The locking member 17 as shown in FIG. 13, has a tab 71 and a first connecting arm 73 connecting the tab 71 to the free end 56 of the first arcuate portion 53. Preferably, the first connecting arm 73 is substantially perpendicular to the flat portion 41 of the first attachment body 1, as shown in FIG. 7. The tab 71 is preferably substantially perpendicular to the first connecting arm 73.
    [039] The second conductor receiving part 61 is connected to the second end 43 of the flat part 41 of the fastening body 1, as shown in FIGs. 2, 7 and 12. The second conductor receiving portion 61 has a second arcuate portion 63 connected to the flat portion 41 by a second connecting arm 65. An inner surface 18 of the second arcuate portion 63 faces the flat portion 41 of so that the inner surfaces 18 and 19 face the same direction.
    [040] As shown in FIGs. 1, 12 and 13, a second longitudinal slot 21 is disposed in the second connecting arm 65. The second slot 21 is preferably substantially T-shaped having a first portion 81 and a second portion 83. The first portion 81 is substantially perpendicular to the second part 83 as shown in FIG. 1. The first part 81 has a greater width than the tab 271 allowing the tab 271 of the locking member 217 of the second attachment body 201 to pass therethrough.
    [041] The fastener 3, as shown in FIGs. 8-11, secures the first and second fastening bodies 1 and 201 together. The fastener 3 has a first threaded part 91 disposed at one end and a second threaded part 93 disposed at the other end. Gear teeth 95 are disposed between the first and second threaded parts 91 and 93 and extend circumferentially around the fastener 3 with an angle α between adjacent teeth 95. Preferably, there are five teeth 95 at an angle of approximately 75 degrees between adjacent teeth. Each tooth has an included angle β, as shown in FIG. 10, which is preferably approximately 60 degrees. Teeth 95 are adapted to engage teeth 10 and 210 of first and second attachment bodies 1 and 201. After attachment 3 is inserted into slot 12 to attach first and second attachment bodies 1 and 201 together, a washer flat 6, a spring washer 5 and a nut 4 are connected to the first threaded part 91. A second flat washer 206, a second spring washer 205 and a second nut 204 are connected to the second threaded part 93 of the fastener 3 . Assembly and Operation
    [042] Before assembling the spacer assembly 31, an grommet 15 is disposed on each of the conductor receiving parts 18 and 19 of the arcuate parts 61 and 51 of the first and second fastening bodies 1 and 201, as shown in the -traced in FIG. 2. Each of the rings 15 is preferably semi-cylindrical in shape and is secured to the respective conductor receiving part with an adhesive. The grommets 15 substantially prevent damage to the uninsulated conductors 16 and 26 received by the spacer assembly 31. Rings of varying sizes can be used so that the spacer assembly 31 can accommodate conductors of different diameters.
    [043] As shown in FIGs. 1, 4, 12 and 13, the spacer assembly 31 is assembled by positioning the first fastening body 1 so that the second conductor 26 engages with the ring 15 disposed in the second conductor receiving portion 18 of the second arcuate portion 61 and the first conductor 16 is disposed on the first conductor receiving portion 19 of the first arcuate portion 51.
    [044] The fastener 3 is then inserted into the second fastening body 201 so that the lower surface 96 of the teeth 95 rest on the guard 248, as shown in FIG. 5. The teeth of the fastener 95 engage with the teeth 210 of the second fastener body 201, as shown in FIG. 1. The flat washer 206, the spring washer 205 and the nut 204 are then disposed on the second threaded portion 93 of the fastener 3, as shown in FIGs. 2 and 7.
    [045] The second fixture body 201 is then connected to the first fixture body 1. With respect to the first fixture body 1, the second fixture body 201 is rotated 180 degrees about a longitudinal axis through the slot 212 and then 180 degrees about an axis perpendicular to the longitudinal axis through the slot 212. The second clamping body 201 is then positioned as shown in FIGs. 7 and 13 with respect to the first fastening body 1. The first arcuate portion 251 of the second fastening body 201 forms a conductor receiving cavity 99 of the conductor 26 with the second arcuate portion 61 of the first fastening body 1 , as shown in FIGs. 2 and 3. The second arcuate portion 261 of the second clamping body 201 forms a conductor receiving cavity 98 for the conductor 16 with the first conductor receiving portion 51 of the first clamping body 1, as shown in FIGs. 2 and 3.
    [046] The first and second fastening bodies 1 and 201 are aligned so that the tabs 71 and 271 are received by the first parts 81 and 281 of the second slots 21 and 221, as shown in FIGs. 1, 4 and 7. The first and second fastening bodies 1 and 21 are in a first position, as shown in FIGs. 4 to 6. As shown in FIG. 5, the distance D between the end of the second slot 21 in the first attachment body 1 and the end of the second slot 221 in the second attachment body 201 is preferably approximately 50.8 cm (20 inches). Fastener teeth 95 engage slot teeth 10, as shown in FIGs. 1 and 6. The upper surface 97 of the teeth 95 abuts the shield 48 of the slot 12 of the first attachment body 1, as shown in FIG. 5. Flat washer 6, spring washer 5 and nut 4 are then disposed on the first threaded part 91 of fastener 3, as shown in FIGs. 2 and 7.
    [047] The first slots 12 and 212 allow movement of the fastener 3 in them. The second slots 21 and 221 allow movement of the locking members 17 and 217 therein. To securely hold conductors 16 and 26 in spacer 31, clamp 3 is rotated. The rotation of the fastener 3 causes the teeth of the fastener 95 to engage the teeth 10 and 210, thereby linearly moving the first and second fastener bodies 1 and 201, which move in opposite directions because the teeth of the fastener bodies fixture 10 and 210 are disposed on opposite sides of their respective slots as shown in FIG. 1. As the clamping bodies 1 and 201 move, the locking members 17 and 217 move in the second slots 21 and 221. This results in the conductor receiving parts 19 and 281 moving closer to one. from the other and conductor receiving portions 18 and 219 moving closer together, firmly retaining conductors 16 and 26 therein, as shown in FIGs. 1 and 14.
    [048] The width of the flaps 71 and 271 of the locking members 17 and 217 is greater than that of the second part 83 and the second slots 21 and 221, thereby preventing the separation of the first and second fastening bodies 1 and 201 Nuts 4 and 204 are tightened on the fastening bodies 1 and 201 after they have been moved to the second position, as shown in FIGs. 1, 2 and 14, thereby preventing movement of the fastening bodies with each other. Additionally, the sawn portions 33, 34, 233 and 234 of the first and second fixture bodies 1 and 201 engage with each other substantially preventing movement of the fixture bodies with each other during and after installation of the spacer assembly 31. the serrated portions 33, 34, 233 and 234 also substantially prevent loosening of the fastening bodies 1 and 201 of the spacer assembly 31 during use.
    [049] Alternatively, only one of the fastener bodies has teeth 10 to engage teeth 95 of fastener 3. Consequently, rotation of fastener 3 then only causes linear movement of the fastener body having the teeth.
    [050] The configuration of the spacer assembly 31 according to the exemplified embodiments of the present invention provides a spacer assembly 31 that is easily installable by a single installer. The spacer assembly 31 applies substantially equal pressure on both conductors 16 and 26. Spring washers 5 and 205 apply force to the fastening bodies that keep the sawn portions 33, 34, 233 and 234 engaged, thereby facilitating preventing substantially loosening the fastening bodies 1 and 201 of the spacer assembly 31 during use.
    [051] The above modalities and advantages are merely exemplified and are not interpreted as limiting the scope of the present invention. The description of exemplified embodiments of the present invention is intended to be illustrative, not to limit the scope of the present invention. Various modifications, alternatives and variations will be clear to those skilled in the art, and are intended to be within the scope of the invention as defined in the appended claims and their equivalents.
    权利要求:
    Claims (12)
    [0001]
    A spacer assembly comprising: a first attachment body (1) having a first slot (12) therein, said first slot (12) having a first set of teeth (10); a second attachment body (201) having a second slot (212) therein; CHARACTERIZED by a fastener (3) securing said first fastening body (1) to said second fastening body (201), said fastener (3) having a second set of teeth (95) for engaging said first set of teeth (10) such that rotation of said fastener (3) relative to said first and second fastening bodies (1, 201) moves said first fastening body (1) along a length of said first slot (12) with respect to said second fixation body (201).
    [0002]
    2. Spacer assembly, according to claim 1, CHARACTERIZED by the fact that said first and second fastening bodies (1, 201) are substantially identical.
    [0003]
    3. Spacer assembly according to claim 2, CHARACTERIZED by the fact that said second slot (212) has a third set of teeth (210), said second set of teeth (95) of said fastener (3) engages said first and third sets of teeth (10, 210) of said first and second fastening bodies (1, 201) such that rotation of said fastener (3) moves said first and second fastening bodies (1, 201 ).
    [0004]
    4. Spacer assembly, according to claim 1, CHARACTERIZED by the fact that a first sawn part (33) is disposed on an inner surface of said first fastening body (1); and a second sawn portion (234) is disposed on an inner surface of said second fastening body (201) so that said first and second sawn parts (33, 234) engage each other when said first and second bodies clamps (1, 201) are connected.
    [0005]
    5. Spacer assembly according to claim 4, CHARACTERIZED by the fact that a pressure washer (5, 205) is disposed at each end of said fastener (3) so that said pressure washers (5, 205) ) abut against external surfaces of said first and second attachment bodies (1, 201) to orient said first and second attachment bodies (1, 201) towards each other.
    [0006]
    6. Spacer assembly, according to claim 3, CHARACTERIZED by the fact that said first and second slots (12, 212) have internal and external parts, lengths and widths of said external parts being smaller than those of said parts internals to facilitate receipt of said fastener (3) between said first and second fastening bodies (1, 201).
    [0007]
    7. Spacer assembly, according to claim 1, CHARACTERIZED by the fact that said first fastening body (1) has a first tab (71) and a first tab receiving slot (13); and said second fastening body (201) has a second tab (271) and a second tab receiving slot (213), said second tab (271) being received by said first tab receiving slot (13) and said first tab (71) being received by said second tab receiving slot (213) when said first and second fastening bodies (1, 201) are connected.
    [0008]
    8. Spacer assembly, according to claim 1, CHARACTERIZED by the fact that first and second conductor receiving parts (51, 251, 61, 261) are disposed at opposite ends of each of said first and second bodies of fastening (1, 201), said first conductor receiving part (51) of said first fastening body (1) and said second conductor receiving part (261) of said second fastening body (201) engage each other when said first and second fastening bodies (1, 201) are connected to receive a first conductor thereon, said second conductor receiving part (61) of said first fastening body (1) and said first conductor receiving portion (251) of said second clamping body (201) engage with each other when said first and second clamping bodies (1, 201) are connected to receive a second conductor thereon.
    [0009]
    9. Spacer assembly, according to claim 8, CHARACTERIZED by the fact that said first and second conductor receiving parts (51, 251, 61, 261) are substantially C-shaped.
    [0010]
    10. Spacer assembly, according to claim 9, CHARACTERIZED by the fact that said first and second conductor receiving parts (51, 251, 61, 261) face in the same direction.
    [0011]
    11. Spacer assembly, according to claim 8, CHARACTERIZED by the fact that a ring (15) is disposed between said first and second fastening bodies (1, 201) and the received conductors to substantially prevent damage to the drivers received.
    [0012]
    12. Spacer assembly according to claim 7, CHARACTERIZED by the fact that said first and second flap receiving slots (13, 213) have a first part (81, 281) with a greater width than the first and second flaps (71, 271), respectively, and a second portion (83, 283) with a width smaller than said first and second flaps (71, 271), respectively.
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    法律状态:
    2013-06-25| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-05-19| B07A| Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]|
    2020-11-10| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]|
    2021-04-13| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-06-08| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/05/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201161493592P| true| 2011-06-06|2011-06-06|
    US61/493,592|2011-06-06|
    US13/466,732|US9106062B2|2011-06-06|2012-05-08|Geared spacer assembly for conductor bundle|
    US13/466,732|2012-05-08|
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