Patent ID: 6789976
Filing Date: 2004-09-14
Classification: F16C,F16M,G06F,Y10T

Abstract:
A step-rotating device for rotatably connecting a first member and a second member, comprising:a gasket, movably connected to the first member and having a first surface with a first hole; a base, fixed on the second member and having a second surface facing the first surface, including a shaft portion, integral with the second surface and having a second hole, the shaft portion rotatably inserted in the first hole, the second surface having a plurality of annularly arranged recesses; a plurality of protrusions, annularly arranged and fixed on the first surface of the gasket, matching the recesses of the base; an elastomer disposed between the gasket and the first member; and a screw inserted in the second hole of the shaft portion to connect the first member and the base.