Geometrical instruments
Patent
1977-02-02
1977-10-18
Lake, Roy
Geometrical instruments
219270, 339 10, 339 91R, H01R 3300
Patent
active
040543528
ABSTRACT:
An electrical power take-off unit which includes an adaptor for insertion into the cigarette lighter socket of a vehicle wherein the adaptor has means for tapping off electrical power from the electrical terminals in the socket so as to be able to supply electrical power to accessories, such as calculators, clocks, computers and the like, carried in the vehicle. The adaptor may be provided with a socket itself for receiving the cigarette lighter. Means can also be provided on the adaptor to directly mount an accessory, such as a digital clock, thereon. The adaptor can also be used even when an accessory is mounted directly on the instrument panel of a vehicle. In such a case, electrical conductors extending from the adaptor to the accessory can be concealed in a decorous manner.
REFERENCES:
patent: 1728049 (1929-09-01), Franklin
patent: 2572475 (1951-10-01), Hanson
patent: 2812423 (1957-11-01), Penna
patent: 2938110 (1960-05-01), Busch
patent: 3137448 (1964-06-01), Holzhause
patent: 3405383 (1968-10-01), Jarboe
patent: 3526751 (1970-10-01), Climent
Bicks Mark S.
Lake Roy
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