Multiple position lamp

Details Multiple position lamp Multiple position lamp

1976-03-04

1977-07-05

Hix, L. T.

Buckles, buttons, clasps, etc.

240 81BD, F21S 112, F21S 310

Patent

active

040342140

ABSTRACT:
A floor lamp with a pair of rotatable tubular members defining a vertically extendable telescopic body. The larger tubular member is provided with an internal longitudinal rib. A pair of pins project from an exterior surface of the smaller tubular member at one side thereof, the ends of the pins out of contact with the interior surface of the larger tubular member. A cylindrical guide formed with a longitudinal slot is captively held between the projecting pins, the rib received within the slot. As the smaller tubular member is rotated relative to the larger tubular member, the pins engage the rib and limit rotational movement to less than one complete revolution.

REFERENCES:
patent: 1889978 (1932-12-01), Dickey
patent: 2466176 (1949-04-01), Kunisch
patent: 3012801 (1961-12-01), Cole
patent: 3186736 (1965-06-01), Warshawsky
patent: 3694647 (1972-09-01), Chapman et al.
patent: 3955079 (1976-05-01), Chapman et al.

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