F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/135
F21V 21/02 (2006.01) F21V 23/06 (2006.01)
Patent
CA 1044674
ROTATIONAL COLLAR ALIGNMENT DEVICE (Abstract of the Disclosure) A self-contained fluorescent lamp fixture for instal- lation in a conventional incandescent lamp socket which permits selective adjustment of the fluorescent lamp fixture through a substantial arc and which readily facilitates retention of the fixture in the adjusted position. The new fixture includes a body cover which is adapted to receive a conventional fluores- cent tube as well as the other components required to make the tube operational. This cover includes a pair of opposed, gen- erally centrally located arcuate slots and is mounted between upper and lower fixture collars by a pair of threaded fasteners. The fasteners pass between the collars through the arcuate slots whereby the cover may be selectively rotated in a plane normal to the axis of the fixture. The upper collar includes means for threadedly mounting the entire fluorescent fixture in an incandescent type lamp socket. A generally flat, compressible member is received between the lower collar and the fixture body cover such that as the upper and lower collar are brought into a closely spaced relationship with each other, the member is com- pressed. This action places a continuous biasing force against the cover urging it toward positive engagement with the upper collar. The fixture body cover, including the fluorescent tube, may then be rotated for alignment purposes and will be retained in the aligned position by means of the frictional force created by the compressible member urging the body cover toward engage- ment with the upper collar. The arcuate slots define a generally circular configuration and each extends through an arc of approxi- mately 170° whereby the cover body may be moved through an arc of approximately 170° for alignment purposes
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