A timepiece or a heart shape cam for chronographs - Outer S.A. Manufacture Orologer Switzerland

Title:

A timepiece or a heart shape cam for chronographs

Document Type and Number:

Japanese Patent JP6114859

Kind Code:

B2

Abstract:

Timepiece wheel set (1) including an arbor (3) carrying a wheel (4), and a heart cam (2) in an angularly indexed position with respect to the wheel (4), the heart cam (2) is freely mounted in a radial direction (R) with respect to the axis (D) of the arbor (3), and is returned in a neutral position towards the axis (D) by at least one flexible element (6), which is either a strip (25; 26) incorporated in the heart cam (2), or a spring (60) inserted between the wheel (4) and the heart cam (2), and the flexible element (6) is dimensioned to damp impacts applied to a peripheral cam track (23) comprised in the heart cam (2).

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Inventors:

Mateus Friedli
Roman Egli

Application Number:

JP2016103931A

Publication Date:

April 12, 2017

Filing Date:

May 25, 2016

Export Citation:

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Assignee:

Outer S.A. Manufacture Orologer Switzerland

International Classes:

G04F7/08; G04B13/02; G04B27/00

Domestic Patent References:

JP2009128361A

Foreign References:

CH702718A3
US3875739

Attorney, Agent or Firm:

Shigeki Yamakawa
Masaki Yamakawa

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