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Shock-absorbing bearing for timepiece

A technology for bearings and clocks, which is applied to bearings, clocks, mechanically driven clocks, etc., can solve the problems of small size, etc., and achieve the effects of convenient matching operation, simplified matching operation, and improved shock resistance

Active Publication Date: 2006-09-27
ROLEX SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage of this bearing arises from the fact that the central bearing element of the shock-absorbing spring is connected to the bearing support by four arms, each of the same length as the two suspension elements connecting the central bearing element to the bearing support The overall size of each is reduced by half compared to
[0006] Given the very small dimensions of such a shock-absorbing spring, the reduction of the length of the arm connecting this central bearing element to the bearing support by half becomes problematic relative to the limit of elasticity that is used to connect the shock-absorbing spring during the fixation of the arm to the bearing support can easily be exceeded

Method used

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  • Shock-absorbing bearing for timepiece
  • Shock-absorbing bearing for timepiece
  • Shock-absorbing bearing for timepiece

Examples

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Embodiment Construction

[0028] figure 1 , 2 The bearing shown in has: a bearing seat 1, which includes a seat in the form of a truncated cone 1a for a positioning sleeve (chaton) 2, the sleeve 2 having a cylindrical part and for endstones In the seat 2a of 4, the perforated diamond 3 is pressed into the cylindrical part. The shock-absorbing spring 5 is fixed to the bearing housing 1 to hold the sleeve 2 and the endstone 4 in their respective housings 1a, 2a in an elastic manner.

[0029] The bearing housing 1 has the characteristic of being completely symmetrical with respect to all planes containing the pivot axis X of the bearing. Diameter milled area 1b is formed on the upper part of the bearing housing, and two parallel milled areas 1c perpendicular to the diameter milled area 1b are formed in the bearing housing 1 at a specific distance from the upper surface of the bearing housing 1 in the thickness of the bearing housing 1 Outside. The three milled areas 1b, 1c are designed for the four connecti...

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Abstract

This shock-absorbing bearing comprises a bearing block ( 1 ), a pierced jewel ( 3 ), an endstone ( 4 ) and a shock-absorbing spring ( 5 ) connected to said bearing block ( 1 ) by four linking arms ( 5 a1 , 5 a2 , 5 a3 , 5 a4), parallel to a plane containing the pivot axis (X) of said bearing and forming two suspension elements ( 5 a1 , 5 c1 , 5 a2 ; 5 a3 , 5 c2 , 5 a4), each having two of said linking arms connected to each other by a branch in the form of an arc ( 5 c1 , 5 c2) centered on said pivot axis (X) and having a radius greater than that of said endstone ( 4 ), these suspension elements being connected to each other by two diametric arms ( 5 e) located on either side of a central support element ( 5 d). The outer ends of said diametric arms ( 5 e) are connected to two of said linking arms (5a2 , 5 a4) belonging to said respective suspension elements ( 5 a1 , 5 c1 , 5 a2 ; 5 a3 , 5 c2 , 5 a4).

Description

Technical field [0001] The invention relates to a shock-absorbing bearing for a clock, including a bearing seat, a perforated bearing diamond, a seat for positioning the bearing diamond in the bearing seat, an endstone, and a seat for positioning the endstone in the bearing seat , And a shock-absorbing spring for holding the endstone relative to the positioning seat, the shock-absorbing spring is connected to the bearing seat through four connecting arms, and the four connecting arms are parallel to a plane containing the pivot axis of the bearing , And form a suspension element on each side of this plane, the suspension element having two connecting arms connected to each other by branches in the form of an arc centered on the pivot axis, and having the support Drilling different radii, these suspension elements are connected to each other by two diameter arms located on either side of the central support element. Background technique [0002] The shock-absorbing bearings specia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B31/02
CPCG04B31/04
Inventor 米切尔·科乐罗曼·沃伊罗尔
Owner ROLEX SA
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