Leak resistant watch casing having annular elastic element surro

Details Leak resistant watch casing having annular elastic element surro Leak resistant watch casing having annular elastic element surro

1983-11-08

1985-07-16

Roskoski, Bernard

Horology: time measuring systems or devices

Cases

With protection means

368289, 368300, G04B 3700

Patent

active

045293236

ABSTRACT:
A leak resistant watch casing is designed to accomodate a thin movement. It comprises a casing ring (7) supporting the movement (5) around which an elastic binding (10) is removably mounted. The binding is of rectangular cross section with the smaller sides of the rectangle being pressed against the case-band (1) and the back cover (11) when these elements are secured together. The binding includes an orifice (17) situated proximate two U-formed openings provided in the periphery of the case-band and back cover in order to accomodate the stem (15) of a control element.

REFERENCES:
patent: 2256200 (1941-09-01), Heilman
patent: 3643424 (1972-02-01), Simon

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