Illumination – Light source and modifier – With rheostat or switch
Patent
1991-07-09
1992-08-25
Cole, Richard R.
Illumination
Light source and modifier
With rheostat or switch
362411, 362457, F21S 112
Patent
active
051424649
ABSTRACT:
A rotary dimmer switch mounting structure for a floor lamp, comprising two tubes connected by a pipe connector and fastened in a floor to support a lamp, and a rotary dimmer switch received inside the pipe connector and the tubes and controlled by a revolving shaft to regulate the intensity of light produced by the lamp, wherein the pipe connector has an elongated slot longitudinally extending from either end edge thereof for receiving the rotatable control shaft and therefore, the diameter of the tubes can be smaller than the total height of the shaft.
REFERENCES:
patent: 1582005 (1926-04-01), Gross
patent: 2144197 (1939-01-01), Nirdlinger
patent: 2491448 (1949-12-01), Hillenbrand et al.
patent: 3609347 (1971-09-01), Kopenhaver
patent: 3800136 (1974-03-01), Edelson
patent: 4843526 (1989-06-01), Price, III
patent: 5016154 (1991-05-01), Leeyeh
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