Solar battery powered timepiece

Details Solar battery powered timepiece Solar battery powered timepiece

1978-12-13

1980-11-18

Weldon, Ulysses

Horology: time measuring systems or devices

Cases

With protection means

368294, 368314, 368 64, 368205, G04B 3700

Patent

active

042349478

ABSTRACT:
A solar battery powered electronic timepiece of the type wherein a watch glass and a base plate supporting a solar battery are secured in an annular recess in a watch case. The base plate is positioned on a bottom surface of the recess and secured in position by a resilient packing which is preferably made from a resin material. The packing extends around the base plate and has a portion which overlines the outer periphery of the base plate and on which is positioned the watch glass. Another portion of the packing extends between the outer periphery of the watch glass and a side wall of the recess to secure the watch glass in position. A structure of this type is particularly suitable for securing a base plate of a material such as epoxy resin to which fastening legs cannot easily be attached.

REFERENCES:
patent: 3427797 (1969-02-01), Kimura et al.
patent: 3757511 (1973-09-01), Burgess et al.
patent: 3780519 (1973-12-01), Tokunaga
patent: 4048796 (1977-09-01), Sasaki

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