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Clasp for a watchstrap or bracelet

A component, wristband technology, applied in the field of folding fastenings, which can solve the problems of users losing bracelets, materials losing elastic properties, etc.

Active Publication Date: 2010-08-11
EBERHARD & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This force can also occur unintentionally and the user is more likely to lose the bracelet, especially since the material wears out and loses its elastic properties over time

Method used

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  • Clasp for a watchstrap or bracelet
  • Clasp for a watchstrap or bracelet
  • Clasp for a watchstrap or bracelet

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] Figure 1 shows a clasp for a wristband or bracelet according to the invention. With a longitudinal axis AA, the clasp comprises two rigid arms, an upper arm 10 and a lower arm 12 connected to each other by hinge means 14 at one end thereof and on an axis BB perpendicular to AA. Each of its other ends has means 16 for connection to a wristband or bracelet.

[0023] The clasp has a catch and lock system comprising a male part 18 arranged on the lower arm 12 and upper arm 10 next to the connecting means 16, a female part 20, and an elastic part 21 connecting the female part.

[0024] The male part 18 comprises, on the top surface of the lower arm 12, a base 22 defined by an upstream edge 24 on the side of the connecting means 16, a side edge 26 and a downstream edge 28 on the side of the hinge 14, and is arranged between the base 22. A rectangular peg 30 having length L, width I, thickness e and longitudinal axis CC parallel to AA. As shown in particular in FIG. 2 , the ...

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PUM

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Abstract

A fold-out clasp having a longitudinal axis AA and comprising two rigid arms (10, 12) hinged together at one end about an axis BB that is perpendicular to axis AA, and a catch locking system for holding the two arms in the closed position. The locking system comprises a locking member positionable in first and second positions in which the clasp arms can be opened or are prevented from being opened, respectively, when the male (18) and female (20) portions are in the first position thereof.

Description

technical field [0001] The present invention relates to clasps for detachably connecting the two ends of a wristband, such as a wristband or bracelet. It relates more particularly to a folding fastening comprising two rigid arms hinged to each other at one end and a capture locking system. The arm can occupy an open position enabling the person wearing the wrist strap to remove or slide the wrist strap on the wrist, and a closed position in which the two arms are detachably fastened to each other by means of a locking system. Background technique [0002] For example, a clasp has a tuning fork structure as disclosed in Swiss Patent No. 665,536, whereby one arm is fitted with a rigid part and the other arm has a tuning fork shaped structure with elastic arms engaged on either side of the rigid part to form a catch and hold the two arms fitted to each other. [0003] This solution is well known to those skilled in the art and the simplicity of implementation is very attracti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A44C5/24
CPCA44C5/24
Inventor P·蒙蒂J·塞斯特
Owner EBERHARD & CO
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