Power extendable lamp

Details Power extendable lamp Power extendable lamp

1991-03-22

1991-11-12

Dority, Carroll B.

Illumination

Supports

Pole or post type support

362413, F21S 110

Patent

active

050652990

ABSTRACT:
An extendable electric lamp includes a base and a hollow telescopic arm powered for movement between a contracted and an extended position. A drive cable in the arm includes embedded electrical conductors. The drive cable is operated by a motor in the base thereby extending the arm between different positions and simultaneously extending the cable between a light source at the end of the arm and a power source connected through the base.

REFERENCES:
patent: 3026409 (1962-03-01), Deisch
patent: 3187170 (1965-06-01), Kille
patent: 3319061 (1967-05-01), Pohl et al.
patent: 3368068 (1968-02-01), Cronheim
patent: 3378681 (1968-04-01), Meyer et al.
patent: 3459935 (1969-08-01), Bruner
patent: 3733478 (1973-05-01), Barker
patent: 4300186 (1981-11-01), Hurd

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