Sectioned casing for electronic watches

Details Sectioned casing for electronic watches Sectioned casing for electronic watches

1974-11-08

1976-03-09

Hix, L. T.

58 88R, 58 23BA, G04C 300

Patent

active

039423166

ABSTRACT:
A casing for an electronic watch whose movement is powered by one or more miniature battery cells. The casing has a generally rectangular form and a back opening surrounded by a flange. The casing is divided into two sections, one of which is occupied by the movement or electronic module and the other by the power cells. The back of the casing is enclosed by two adjoining hatch pieces, one covering the movement section and the other the power section. The opposing ends of the two hatch pieces are provided with lips which fit under the flange of the casing whereas the adjoining ends of the pieces have complementary grooves formed therein to define a bore for receiving a removable locking pin. The movement hatch piece is screwed to the casing and can only be taken off by a suitable tool, whereas the power hatch piece carries on its underside depressible contact springs which engage the poles of the cells seated in the power section of the casing whereby when the locking pin is removed, the released springs cause this hatch piece to jump up to expose the power section and permit replacement of the cells without disturbing the movement section.

REFERENCES:
patent: 3576099 (1971-04-01), Walton
patent: 3784725 (1974-01-01), Perkins et al.
patent: 3838568 (1974-10-01), Zurcher et al.

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