Patent ID: 6443461
Filing Date: 2002-09-03
Classification: F16D,F16J

Abstract:
A sealing apparatus of an universal joint which is provided on a fitting portion of an outer element and an adapter of a boot attached to an inner element, wherein;a cylindrical elastic member is fixed onto an outer periphery of a shape-holding member, the elastic member is press-inserted onto an inner periphery of a small cylinder portion of the adapter so that the sealing apparatus is previously held on the adapter before the adapter comes to be fitted to the outer element in fitting state of a fitting circumferential surface of the outer element fitting to a large cylinder portion located outward of the small cylinder portion of the adapter, the elastic member held on the adapter is interposed to be attached between an end surface of the outer element and at least one of a step portion between the small cylinder portion and the large cylinder portion of the adapter, and the large cylinder portion, so as to seal the adapter and the outer element.