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GB1280136A - Apparatus for the correction of calendar displays in calendar timepiece - Google Patents

Apparatus for the correction of calendar displays in calendar timepiece

Info

Publication number
GB1280136A
GB1280136A GB2510871A GB2510871A GB1280136A GB 1280136 A GB1280136 A GB 1280136A GB 2510871 A GB2510871 A GB 2510871A GB 2510871 A GB2510871 A GB 2510871A GB 1280136 A GB1280136 A GB 1280136A
Authority
GB
United Kingdom
Prior art keywords
date
calendar
lever
timepiece
day
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2510871A
Inventor
Kazuo Tanaka
Toshihiko Kanayama
Tetuya Yasuda
Hidetaka Tutiya
Yoshio Kikuchi
Takeo Muto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP45021490A external-priority patent/JPS4939705B1/ja
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of GB1280136A publication Critical patent/GB1280136A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

1280136 Date indicating CITIZEN WATCH CO Ltd 19 April 1971 [16 March 1970; 4 Aug 1970] 25108/71 Heading G3T A setting mechanism for a calendar timepiece comprises an axially shiftable push-button operating rod 3 positioning, against the action of a spring 8, a lever 4. The lever carries a shaped member 6 which in the position shown, under the influence of gravity, enables the rod 3 to set a date ring 1. With the timepiece appropriately aligned the member 6 engages a day star wheel 9. In an alternative embodiment, a lever is movable under gravity in dependence on position to cause date or day setting gear wheels to be engaged. In a further embodiment, a pendulum member is positioned to determine that a date or day correction is initiated.
GB2510871A 1970-03-16 1971-04-19 Apparatus for the correction of calendar displays in calendar timepiece Expired GB1280136A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP45021490A JPS4939705B1 (en) 1970-03-16 1970-03-16
JP7761570 1970-08-04

Publications (1)

Publication Number Publication Date
GB1280136A true GB1280136A (en) 1972-07-05

Family

ID=26358559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2510871A Expired GB1280136A (en) 1970-03-16 1971-04-19 Apparatus for the correction of calendar displays in calendar timepiece

Country Status (3)

Country Link
CH (2) CH384971A4 (en)
DE (1) DE2112655A1 (en)
GB (1) GB1280136A (en)

Also Published As

Publication number Publication date
DE2112655A1 (en) 1971-10-07
CH548630A (en) 1974-04-30
CH384971A4 (en) 1973-09-14

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees