GB1433230A - Crown assembly adapted for use in a timepiece - Google Patents

Crown assembly adapted for use in a timepiece

Info

Publication number
GB1433230A
GB1433230A GB5828773A GB5828773A GB1433230A GB 1433230 A GB1433230 A GB 1433230A GB 5828773 A GB5828773 A GB 5828773A GB 5828773 A GB5828773 A GB 5828773A GB 1433230 A GB1433230 A GB 1433230A
Authority
GB
United Kingdom
Prior art keywords
head
shaft
bushing
timepiece
assembly adapted
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
GB5828773A
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of GB1433230A publication Critical patent/GB1433230A/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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems

Landscapes

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

Abstract

1433230 Watch crowns DAINI SEIKOSHA KK 17 Dec 1973 [29 Dec 1972] 58287/73 Heading G3T A watch crown 14 comprises a head 15 having a bore 16 in which is secured a shaft 20 which projects beyond the head and has its end in engagement with the closed end of the head, the shaft being an interference fit in a central bore 24 of a bushing 23 secured within the head. As shown the shaft has a flange 22 and the bushing 23 is of nickel silver or plastics. Numerous other embodiments are described, in which the flange is adjacent the closed end of the head, or in which the shaft has a reduced diameter end forced in the bushing Fig. 4 (not shown). The head and shaft may be of different materials.
GB5828773A 1972-12-29 1973-12-17 Crown assembly adapted for use in a timepiece Expired GB1433230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48000477A JPS4990965A (en) 1972-12-29 1972-12-29

Publications (1)

Publication Number Publication Date
GB1433230A true GB1433230A (en) 1976-04-22

Family

ID=11474846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5828773A Expired GB1433230A (en) 1972-12-29 1973-12-17 Crown assembly adapted for use in a timepiece

Country Status (6)

Country Link
US (1) US3866409A (en)
JP (1) JPS4990965A (en)
CH (1) CH608158B (en)
DE (1) DE2365011A1 (en)
FR (1) FR2212572B1 (en)
GB (1) GB1433230A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974351A (en) * 1975-05-16 1976-08-10 Irving Solov Wrist watch push-button device
US6453512B1 (en) * 1999-10-19 2002-09-24 Eta SA Fabriques d′Ebauches Control button
ATE514978T1 (en) * 2008-04-01 2011-07-15 Rado Montres Sa CONTROL DEVICE WITH PUSH PUSHER FOR WATCH
CH720313A1 (en) * 2022-12-09 2024-06-14 Officine Panerai Ag Winding or pusher crown cap.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2062637A (en) * 1936-04-15 1936-12-01 Bulova Watch Co Inc Watch construction
US3595008A (en) * 1968-10-30 1971-07-27 Piquerez Sa Ervin A fluidtight connection for a timepiece winding knob
CH1468471A4 (en) * 1971-10-08 1973-06-15

Also Published As

Publication number Publication date
FR2212572B1 (en) 1977-03-04
FR2212572A1 (en) 1974-07-26
DE2365011A1 (en) 1974-07-11
US3866409A (en) 1975-02-18
CH608158B (en)
CH608158GA3 (en) 1978-12-29
JPS4990965A (en) 1974-08-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee