Interlocking universal joint seal assembly

Details Interlocking universal joint seal assembly Interlocking universal joint seal assembly

F - Mech Eng,Light,Heat,Weapons

16

D

64/5

F16D 3/84 (2006.01) F16C 33/78 (2006.01) F16D 3/41 (2006.01)

Patent

CA 1250148

INTERLOCKING UNIVERSAL JOINT SEAL ASSEMBLY ABSTRACT: An interlocking seal assembly (25) for a universal joint which acts both to seal the bearing assembly as well as a retention means to prevent a bearing block from falling off the spider in the joint. This assembly includes a resilient sealing member (27) engaging a trunnion (17) and having a backing ring (32) housing the seal and adapted to be press fitted into the bearing block (21,22) on the trunnion and a loose fitting generally cylindrical shield (36) adapted to be press fitted onto a diameter of the spider (15). The backing ring (32) and shield (36) have overlapping lips (34,37) providing the interlock to retain the bearing block on the spider.

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