Cartridge timepiece

Details Cartridge timepiece Cartridge timepiece

1987-12-14

1989-01-03

Roskoski, Bernard

Horology: time measuring systems or devices

Cases

Wrist worn

368276, 368300, G04B 3700

Patent

active

047962402

ABSTRACT:
The time indicator cartridge is attachable and detachable to the main timing mechanism through an engaging stem which connects the time indicia to the timing mechanism. A set of locking lugs squeezes the bezel within the casing of the time keeping mechanism which is secured by a rear insert camming device, thereby limiting the release of the cartridge to occur only on removal of the rear casing.

REFERENCES:
patent: 410945 (1889-09-01), Taft et al.
patent: 4674891 (1987-06-01), Ritchie
patent: 4718773 (1988-01-01), Odonoghue

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