F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
26/112, 240/188
F21V 21/26 (2006.01) F16M 11/04 (2006.01) F16M 13/02 (2006.01)
Patent
CA 1288407
OVERLAPPED LAMP SWIVEL FOR AFTER ASSEMBLY FINISHING Abstract of the Invention A lamp arm assembly includes at least one swivel assembly (A,D) and tubular arms (90, 150) for supporting a lighting fixture (E). The swivel assemblies include at least a first swivel member (10, 100) and a second swivel member (30, 120). Each swivel member has a peripheral outer surface (12, 102, 32, 122) and an interior passage (14, 34, 104, 124). One of the swivel members includes an annular collar (16, 106) projecting into the inner passage and the other includes a ferrule (36, 126) which is received in the annular collar and crimped thereto. The swivel members have bearing surfaces (18, 38, 108, 128) around the ferrule which are urged into firm frictional engagement by the crimping. One of the bearing surfaces is supported on a cylindrical supporting portion (44, 130) and the other has a skirt (40, 108) with a cylindrical inner surface. The cylindrical surfaces of the skirt and the bearing surface supporting portion are sufficiently different to form an annular gap. The gap is selected to be sufficiently large relative to the wetting characteristics of a selected coating material that when the swivel members are coated the coating material does not bridge the gap. In this manner, the skirt hides the peripheral edge around the interface between the first and second bearing surfaces such that any coating damage caused by the coating material bridging the interface is blocked from view.
586080
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Pike Louis D.
Pike Machine Products Co.
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