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Attachment device having plastic nut

A nut, plastic technology, applied in the direction of nuts, threaded fasteners, connecting components, etc., can solve the problem of not completely covering the opening, and it is impossible to quickly change the lock or unlock state of the nut, and achieve the effect of ease of use

Active Publication Date: 2013-12-11
A RAYMOND & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, regardless of the state of the nut, the opening cannot be completely covered
Additionally, the rounded shape of the head means that it is not possible to quickly change the locked or unlocked state of the nut

Method used

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  • Attachment device having plastic nut
  • Attachment device having plastic nut
  • Attachment device having plastic nut

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION

[0010] Figure 1 to Figure 4 An example of the fixing device of the present invention is shown. The device generally comprises a plastic nut 10 and an externally threaded part (not shown) and is designed for fastening a part (not shown) to be fixed on a support part 11 provided with an elongated opening 12. Lock the nut 10 in the opening 12 of the support member 11, and then force the threaded member to be screwed into the nut 10 to tap the thread in the nut 10 by plastic deformation and ensure that the fixed member is firmly fixed. The support part 11 is, for example, a plate with the smallest thickness compared to the other dimensions (length, width), at least around the opening 12 in the support part 11 .

[0011] The fixing means on the support part 11 comprises a plastic nut 10 drilled in the axial direction X with a hole 13 adapted to match the profile of the external thread by plastic deformation when scr...

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PUM

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Abstract

The invention relates to a device for attachment onto a supporting element (11) which comprises a plastic nut (10) including a body (14) axially insertable into an elongate opening (12) of the supporting element (11). The cross-section of the body (14) matches the opening (12) and is elongate in a first main direction (Z1) such that the nut (10) is inserted through the opening (12) and then locked by means of the pivotal movement with a bearing head (15). At least one abutment surface limits the pivotal movement of the nut (10). The head (15) has a shape matching the opening (12), with an elongate cross-section in a second main direction (Z2) forming an offset angle (a) of 5 to 25 degrees with the first main direction (Z1). The abutment surface is configured so as to limit the pivotal movement of the nut (10) relative to the opening (12) at an angle substantially identical to said offset angle (a), such that the head (15) covers the entire opening (12) when locking the nut (10).

Description

technical field [0001] The invention relates to a device for fixing on a supporting part, which device comprises a plastic nut drilled in the axial direction with a hole adapted to the contour of the externally threaded part by plastic deformation, said nut comprising a a body inserted into the elongate opening of the support member, the cross-section of the body matching the opening and elongated in a first main direction to allow insertion of the nut through the opening, followed by pivotal movement of the bearing head at one end of the body and the bearing head The nut is locked by an intermediate groove between the portion and the body, said intermediate groove being provided with at least one abutment surface to limit the pivotal movement of the nut. Background technique [0002] For example, French patent FR1330461 discloses a fastening device comprising a plastic nut cooperating with an externally threaded part. The nut lacks a load-bearing head, which considerably l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B37/00F16B37/04
CPCF16B37/042F16B37/043F16B37/005
Inventor 让·弗朗索瓦·阿尔瓦兰
Owner A RAYMOND & CO