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Hinge device for attaching at least two bracelet links

A chain link and hinged technology, applied in the field of hinged devices, can solve the problems of easily damaged threads, unsightly appearance, large axial force, etc.

Active Publication Date: 2009-08-05
BLANCPAIN SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if one manages to prevent any crowding regardless of the tolerances that exist, the screw head can easily protrude from the side of the bracelet, which is unattractive and prone to snagging on objects
Another disadvantage of the solution described above is that in order to place the groove of the screw into or remove it from the neck of the rod, considerable axial forces are required, which will be entirely caused by the screw thread and The internal thread of the rod bears, and this easily damages the thread

Method used

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  • Hinge device for attaching at least two bracelet links
  • Hinge device for attaching at least two bracelet links
  • Hinge device for attaching at least two bracelet links

Examples

Experimental program
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Embodiment Construction

[0012] from figure 1 and figure 2 As can be seen, the hinge 1 pivotably connects the central link 2 and the two lateral links 3 and 30 of a bracelet 4 together. It should also be noted that, as described in the above-mentioned CH Patent No. A-661185 figure 1 As shown, there may be only two chain links pivotably connected together one after the other. The articulation device 1 comprises a rod 5 which penetrates into holes 6 , 7 and 31 provided in the chain links 2 , 3 and 30 . The rod 5 includes at least one of its ends 8 a thread 10 provided with an internal thread (see Figure 5 ) hole 9. The articulation device 1 also comprises a screw 11 having a thread 12 (see FIG. 4 ) engaging with the internal thread 10 and a head 13 for limiting the axial play of the rod 5 .

[0013] like figure 1 As shown, the head 13 is provided with a protrusion 32 capable of abutting against a shoulder 33 formed in the chain link 3 so as to limit the axial play of the rod 5 . like image 3 ...

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Abstract

The device has a grip fastening buckle (5) with a hole provided with an internal thread (10), and a screw (11) presenting a thread engaged in the thread (10). A head is arranged to limit an axial shake of the buckle. The buckle and the screw are provided with a circular hole, a skirt (15) and tapered sections to permit a radial support of an end portion (18) of the buckle on a portion of the head to lock the screw in the buckle.

Description

technical field [0001] The present invention relates to an articulation device for pivotally connecting together at least two links of a bracelet, one after the other, the articulation device comprising a rod penetrating into a hole in said links, so that The rod includes a hole provided with an internal thread at at least one of its ends, and the hinge means also includes a screw having a thread for engagement with the internal thread and a head for limiting the axial play of the rod department. Background technique [0002] Such devices are known from numerous technical specifications. Rods are often used that are held in holes through which they pass by means of retaining means employing screws whose threads engage internal threads formed in the rod. The screw head usually has a protrusion that rests on the shoulder of the hole in the link. [0003] A recurring problem is (how to) keep the rod in its position to prevent it from falling off with the constant movement of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A44C5/10
CPCA44C5/107Y10T403/32893Y10T403/32885Y10T403/32909
Inventor Y·勒诺代T·贝尔容J-C·普罗布斯特O·帕拉特Y·班迪J·比勒
Owner BLANCPAIN SA
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