Halogen lamp

Details Halogen lamp Halogen lamp

1991-03-29

1992-03-17

Dority, Carroll B.

Illumination

Light source and modifier

Adjustable or repositionable light source or light source...

362294, 362345, 362419, 362427, F21V 700

Patent

active

050974009

ABSTRACT:
A spring balanced lamp is disclosed which includes a base, a lamp arm support pivotally connected to the base, a first pair of hollow tubular arms pivotally connected at one end to the arm support and at their opposite ends to a second pair of hollow tubular arms. At least one counterbalance spring is connected to the arms to maintain the arms in a plurality of stable upright positions to which they may be moved. A lamp head assembly is pivotally connected to the second pair of arms and includes a support neck pivotally connected to the arms and a support ring pivotally mounted on the neck for rotation on an axis which is generally perpendicular to the axis of the pivotal connection of the neck to the arms. A perforated reflector and a translucent shade are mounted on the ring of the reflector.

REFERENCES:
patent: 1500639 (1924-07-01), Rekar
patent: 1637786 (1927-08-01), Rekar
patent: 1681153 (1928-08-01), Johnston
patent: 1712865 (1929-05-01), Allyn
patent: 2076446 (1937-04-01), Carwardine
patent: 2787434 (1957-04-01), Jacobsen
patent: 4449172 (1984-05-01), Warshawsky
patent: 4516190 (1985-05-01), Kloots
patent: 4974135 (1990-11-01), Weh-tsung

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