Slidable switch usable with a portable warning lamp

Details Slidable switch usable with a portable warning lamp Slidable switch usable with a portable warning lamp

1976-08-13

1978-01-17

Moses, R. L.

Electricity: circuit makers and breakers

Special application

Portable light

200 16D, 200 42R, 340 81R, 340114B, 362200, F21V 2304

Patent

active

040694046

ABSTRACT:
A battery-powered lamp, such as a traffic hazard warning lamp has:
A. a casing formed with ledges for location thereon of the bottom edges of the batteries to retain the batteries in the casing, a fixing bolt, extending through the casing, serving to prevent disengagement of the batteries from the ledges;
B. said casing having apertures in two opposite sidewalls, each said apertures accommodating a respective lens which is a tight friction fit therein and may have ratchet-like teeth engaging with the material of the casing to retain the lens in position; and
C. a switch in the form of a terminal strip engaged by terminals of the batteries, said strip being longitudinally slidable and having a bridging portion which is in or out of register with a stationary contact according to the position of the strip.

REFERENCES:
patent: 1375586 (1921-04-01), Graves
patent: 1590541 (1926-06-01), Paivio
patent: 2344175 (1944-03-01), Shannon
patent: 2800601 (1957-07-01), Martin et al.
patent: 3266015 (1966-08-01), Pickering
patent: 3274382 (1966-09-01), Fattori
patent: 3500378 (1970-03-01), Pickering et al.

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