Horology: time measuring systems or devices – Crown or stem details – Switch or detent
Patent
1980-12-08
1983-10-11
Roskoski, Bernard
Horology: time measuring systems or devices
Crown or stem details
Switch or detent
368319, G04B 2900
Patent
active
044089015
ABSTRACT:
The invention concerns a miniature pushbutton for a timepiece and includes head portion (1) associated with a socket (2) force fitted into a caseband (15). Considered in isolation it constitutes a dormant corrector since it lacks a return spring thus permitting a considerable reduction in its dimensions. The head portion including stem is fashioned in a manner to permit assembly and disassembly from the timepiece exterior thus facilitating these operations. A retention system is provided which prevents inadvertent separation of the head-stem portion from the socket. Such pushbutton may be advantageously employed in extra thin timepieces.
REFERENCES:
patent: 4122664 (1978-10-01), Stampi
patent: 4320485 (1982-03-01), Baumgartner
Roskoski Bernard
Societe Suisse pour l'Industrie Horlogere Management Services, S
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