Horology: time measuring systems or devices – Cases
Patent
1985-01-18
1986-06-10
Miska, Vit W.
Horology: time measuring systems or devices
Cases
368292, 368294, G04B 3700
Patent
active
045940088
ABSTRACT:
A wrist watch case comprising a crystal bezel provided, on the depending walls covering the strap fixing sides, with diametrally opposed recesses. A first recess is adapted to receive a projection formed on the case periphery and a releasable locking member in the form of a U-shaped clamp is located in the other recess, the side legs of this clamp being adapted to be inserted into corresponding holes formed in the case periphery. The projection and the locking member, in the assembled watch condition, bear on the corresponding wall sections of the relevant depending crystal bezel walls which limit said recesses on their lower sides, thus effecting a perfect compression of the gasket clamped between the crystal bezel and the upper edge of the middle of the watch case and ensuring a reliable watertightness even in case of large tolerances of the cooperating parts. The releasable locking member may also consist of a small plate or a spring blade.
REFERENCES:
patent: 3264820 (1966-08-01), Piquerez
patent: 3948038 (1976-04-01), Takagi
patent: 4083178 (1978-04-01), Sekiguchi et al.
patent: 4132062 (1979-01-01), Fujimori
patent: 4218873 (1980-08-01), Lang
patent: 4223527 (1980-09-01), Tutiya et al.
patent: 4257118 (1981-03-01), Futaba et al.
patent: 4447162 (1984-05-01), Mitamura et al.
Miska Vit W.
Mondaine Watch Ltd.
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