Movement subassembly for a three and two hand timepiece using co

Details Movement subassembly for a three and two hand timepiece using co Movement subassembly for a three and two hand timepiece using co

1992-04-30

1992-10-13

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368220, G04B 1904

Patent

active

051557118

ABSTRACT:
A movement subassembly adapted for use in either a two hand timepiece or a three hand timepiece, the subassembly having a first set of elements common to both timepieces adapted to cooperate with a second set of components, including at least one intermediate wheel assembly to make up a three hand timepiece movement, the first set also adapted to cooperate with a third set of components, using a different wheel assembly to make a two hand timepiece. The second set components includes a seconds wheel assembly, an intermediate wheel assembly, a third wheel assembly and a once-per-second pulsing integrated circuit. The subassembly frame includes bearings for journaling all of said aforementioned wheel assemblies using a common subassembly.

REFERENCES:
patent: 4647218 (1987-03-01), Wuthrich
patent: 4711584 (1987-12-01), Tanalana et al.
patent: 4744066 (1988-05-01), Schwartz
patent: 4888749 (1989-12-01), Schwartz et al.
patent: 4932010 (1990-06-01), Perucchi
patent: 5113381 (1992-05-01), Sakamoto et al.

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