Horology: time measuring systems or devices – Crown or stem details
Patent
1979-06-28
1981-04-28
Weldon, Ulysses
Horology: time measuring systems or devices
Crown or stem details
368320, 368318, 368 88, 368 62, 368 76, 368204, G04B 2900
Patent
active
042649692
ABSTRACT:
In order to simplify the production of electronic watches, there is provided a family of standardized movements whose members can be housed within a variety of watch cases of different size and shape. All movements in the family are identical but for their mounting plates which differ in size, and in some instances also in shape, to render the movements receivable in differently-configured cases. The standardized movements in the family include batteries of different size which take advantage of the space made available by the plates of different size to afford optimum battery life.
REFERENCES:
patent: 3555811 (1971-01-01), Von Zeppelin et al.
patent: 3736741 (1973-06-01), Paratte
patent: 3966498 (1976-06-01), Wuthrich
patent: 3967442 (1976-07-01), Berney
patent: 4103482 (1978-08-01), Maruyama
patent: 4117663 (1978-10-01), Mosimann et al.
Baumgartner Werner R.
Walker Erich
Bulova Watch Company, Inc.
Ebert Michael
Weldon Ulysses
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