Worm gear drive aiming and locking mechanism

Details Worm gear drive aiming and locking mechanism Worm gear drive aiming and locking mechanism

F - Mech Eng,Light,Heat,Weapons

21

V

F21V 19/02 (2006.01) F21V 21/04 (2006.01) F21V 21/14 (2006.01) F21S 8/02 (2006.01)

Patent

CA 2739594

According to a one embodiment of the instant invention an adjustable downlight assembly comprises a collar, a yoke adjustable through an arcuate distance, the yoke pivotally connected to the collar, and a worm gear drive assembly operably engaging the yoke and the collar for pivoting the yolk about a horizontal axis. The worm gear drive assembly comprises a worm and a gear. The worm gear drive assembly is adjustable by rotation of the worm. The adjustable downlight assembly further comprises a biasing member fastened to a casting, the casting extending from an inner surface of the collar. The worm gear drive assembly inhibits unintentional movement of the yoke after adjustment is completed.

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