Battery pack

Details Battery pack Battery pack

1990-02-13

1991-08-06

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

200 52R, A43B 704

Patent

active

050380176

ABSTRACT:
A battery pack for footwear heaters is shown employing spring like electrical contact elements wherein one element is brought into and out of contact with a fixed electrical contact by means of a sliding cam switch or a rotary cam switch, with means for inhibiting water penetration. The battery pack is provided with a trimmable skirt for conforming its contour to the mounting surface on footwear.

REFERENCES:
patent: 1933243 (1933-10-01), DeMerolis
patent: 2692326 (1954-10-01), Crowell
patent: 3859496 (1975-01-01), Giese
patent: 3977093 (1976-08-01), Santroch
patent: 4080971 (1978-03-01), Leeper
patent: 4507877 (1985-04-01), Vaccari et al.
patent: 4798933 (1989-01-01), Annovi
patent: 4950858 (1990-08-01), Slenker

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