E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
16/31.1
E05F 3/20 (2006.01) E05F 3/14 (2006.01) F16F 9/12 (2006.01) F16F 9/14 (2006.01)
Patent
CA 1278906
Abstract of the Disclosure: A single or opposite direction damper hinge has a casing rotatably enclosing a rotor. The rotor has a center cylindrical portion mounting a reduced outwardly projecting intermediate portion which in turn outwardly mounts a further reduced stop portion. The casing has a main inner cylindrical surface which is interrupted by an inwardly projecting reduced engagement portion. In one embodiment, all of the rotor center, intermediate and stop portions and the casing main inner surface are coaxial. The casing reduced engagement portion, however, has a larger radius than the outwardly projecting intermediate portion of the rotor and is eccentric to the rotor cuter surfaces and the casing main inner cylindrical surface. In assembly for operation, the rotor is mounted coaxially in the casing with the exception of the casing engagement portion which, in this embodiment, has the larger radius and is eccentic to the rotor intermediate portion. The rotor intermediate portion radially faces the casing engagement portion with the surfaces progressively closing due to the casing engagement portion larger radius and eccentricity, and the rotor stop portion interfering with the casing engagement portion ultimately abutting through facing steps. Further, the rotor and casing, in a second form, may be somewhat reversed, that is, the rotor having a smaller radius and eccentricity on the mating surface and the casing having the concentric mating surface, the overall result being the same. Finally, if the hinge is operable in opposite clockwise or counterclockwise directions, both of the casing and rotor are formed symmetrically with diametrically opposite open and closed positions, and operable the same in either direction.
545320
Converse Nelson
Fetherstonhaugh & Co.
LandOfFree
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