Lamp swing unit

Details Lamp swing unit Lamp swing unit

1982-10-15

1984-09-25

Lechert, Jr., Stephen J.

Illumination

Supports

Adjustable light support

362417, 362430, 362431, 362432, 248284, F21M 318

Patent

active

044738749

ABSTRACT:
The swing unit, for mounting the swing arm assembly of a swing arm lamp, is formed as a relatively short substantially tubular member having a truncated hemispherical top and a tubular mounting end of reduced outside diameter and that is provided with a circumferential groove. The reduced end of the swing unit is received by the mounting seat of a support unit which mounts same for rotation about a predetermined axis of rotation. A threaded bolt like member is carried by the support unit so that an end of the threaded member can be moved from a position with its end projecting into the groove, to prevent unseating of the swing unit from the support, but not so as to prevent rotation thereon; to a position with its end removed from the groove so that the swing unit can be removed from the support. A threaded opening in the truncated section of the top receives the threaded end of a tubular swing arm of the swing arm assembly along a line which is at an angle of 45.degree. to said predetermined axis of rotation. The support for the swing unit is either plate like for mounting to a wall, or substantially tubular to facilitate mounting the swing arm to a base mounted support post for a table or floor lamp. The support mounts either a single swing unit for a single swing arm assembly; or a pair of co-axial swing units for a pair of co-planar swing arms of either straight or bowed configuration.

REFERENCES:
patent: 2280402 (1942-04-01), Greppin
patent: 2488898 (1949-11-01), Brasty
patent: 3983386 (1976-09-01), Schallenkammer
patent: 4247886 (1981-01-01), Warshawsky
patent: 4347557 (1982-08-01), Warshawsky

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