Watchcase

Details Watchcase Watchcase

1982-05-18

1984-12-25

Roskoski, Bernard

Horology: time measuring systems or devices

Cases

With protection means

368291, 368294, G04B 3700

Patent

active

044900520

ABSTRACT:
A watchcase (1) comprising essentially a body (15) to the top surface of which is held a flat crystal (2) by means of fixation members (4) providing grooves in which the edges of the crystal are secured after having been laterally engaged therein, and a sealing strip against the perimeter of the bottom face (11) of the crystal. The grooves of the fixation members (4) are bounded by two facing surfaces between which the crystal is engaged, the top groove surface (6) bearing against the top face (8) of the crystal. The case further comprises means (12) for applying the sealing strip (10) against the bottom face (11) of the crystal only after the crystal has been engaged in the grooves.

REFERENCES:
patent: 1446952 (1923-02-01), Wadsworth
patent: 1722514 (1929-07-01), Zullo
patent: 3382666 (1968-05-01), Gerry
patent: 3729924 (1973-05-01), Aoki
patent: 4198811 (1980-04-01), Ratajski

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