F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 21/26 (2006.01) F16B 7/14 (2006.01) F21V 21/08 (2006.01) F21V 21/22 (2006.01)
Patent
CA 2091220
A clamp mechanism secures a lighting fixture to a mounting apparatus. A tenon is inserted into the open end of a mounting pole. A radially expandable element, mounted on the tenon, is adjusted to expand radially outwardly to engage the inner surface of the mounting pole. Radial outward expansion of the expandable element is imparted by a threaded bolt which threadedly engages a base of the expandable element. As the base is drawn towards the end face of the tenon, angled legs of the expandable element are rammed outwardly until distal ends of the legs frictionally engage the inner surface of the mounting pole.
Boyd Dwight D.
Jordan David L.
Finlayson & Singlehurst
Hubbell Incorporated
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