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Connection device between a bezel and a watch case

A technology for connecting devices and watch cases, which is applied to time-indicating mechanical devices, clocks, mechanically driven clocks, etc., and can solve problems such as leaving traces and unfavorable ring removal

Active Publication Date: 2005-03-09
ROLEX SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these conditions are not conducive to the removal of the bezel, since high forces are required to be exerted on the bezel with the risk of leaving marks on the bezel or on the case
In addition, such a method of connecting the bezel to the case is only suitable for rotating the bezel

Method used

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  • Connection device between a bezel and a watch case
  • Connection device between a bezel and a watch case
  • Connection device between a bezel and a watch case

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0019] The watch case shown in FIG. 1 comprises a middle part 1 onto which a base 2 is screwed, with a seal 3 interposed therebetween. The glass 4 is connected in a sealed manner above the top opening of the middle part 1 by means of an annular glass seal 5 which extends around the glass 4 and the top 1 a of the middle part 1 . The clamping ring 6 serves to exert a centripetal force on the annular glass seal 5 in order to connect the glass 4 to the central part 1 in a sealed manner.

[0020] The outer side of the clamping ring 6 presents a conical surface 6a, followed by a cylindrical surface 6b, the diameter of which is slightly smaller than the diameter of the base of the adjacent conical surface 6a, thereby forming a boss between the two surfaces 6a and 6b 6c.

[0021] The swivel bezel 7 is mounted to the middle part 1 by means of balls 8 which are pressed in the race 7b by means of springs 8a in a direction parallel to the axis of the middle part 1 . At least three of th...

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PUM

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Abstract

This device comprises a first axial retention shoulder secured to the case, adjacent to a cylindrical seat, a second, opposite axial retention shoulder formed by one face of an annular groove secured to the rim, an annular retention element made of polymer bearing against each of said shoulders, said first shoulder being adjacent to the base of a conical surface, secured to the case, for the axial introduction of said annular retention element engaged with said annular groove. Said annular retention element forms an endless ring whose section is divided in the radial direction into two portions of which one is, perpendicularly to the plane of said endless ring, substantially thinner than the other, these two portions being intended to interact respectively with said first shoulder and second shoulder.

Description

technical field [0001] The invention relates to a connecting device between a watch case and a rim, said connecting device comprising a first axial retaining boss adjacent to a cylindrical seat and fixed to the case, by means of a face fixed to a groove of the rim Opposite second axial retaining bosses formed, annular retaining elements made of polymeric bearings against each said boss, said first boss adjacent the base of the tapered face and secured to the housing , for axially introducing said annular retaining element engaged with said annular groove, which enables the flange ring to be removed when a force greater than its resistance is exerted on the flange ring. Background technique [0002] A device of this type is disclosed in EP0770937, in which the rotating flange rings are connected by means of a circlip-type split ring made of plastic. Assuming that such a method of joining the bezel is irreversible, in order to remove the bezel, a pulling force suitable for sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B19/28
CPCG04B19/283G04B19/28
Inventor 西尔维·里贝罗勒琼-路易·贝特朗达尼埃尔·菲亚明戈达尼埃尔·穆瓦勒威廉姆·帕萨坎伊万·塞里考夫
Owner ROLEX SA