Watchglass fixing structure

Details Watchglass fixing structure Watchglass fixing structure

1978-04-05

1980-11-18

Jackmon, Edith S.

Horology: time measuring systems or devices

Cases

With protection means

368294, 368309, G04B 3708, G04B 3902

Patent

active

042349486

ABSTRACT:
A structure for fixing a watchglass of a watch case, which comprises a watchglass fixing member having a ring-shaped recess and a flange formed at an upper portion of said recess, a watchglass having an outer diametric surface formed with an inclined guiding surface below said outer diametric surface, and a synthetic resin ring disposed in said recess of said watchglass fixing member and sandwiched between said recess and said watchglass and having a protrusion formed when said watchglass is press fitted into said synthetic resin ring, said protrusion serving as means for retaining said watchglass in a fixed place.

REFERENCES:
patent: 2308189 (1943-01-01), Marti
patent: 3020703 (1962-02-01), Wadsworth
patent: 4110970 (1978-09-01), Fudazawa et al.
patent: 4117658 (1978-10-01), Miyasaka et al.
patent: 4136515 (1978-01-01), Thompson et al.

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