F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
64/15, 277/6
F16D 3/22 (2006.01) F16D 3/41 (2006.01)
Patent
CA 1093853
Universal Joint Structure with Improved Seal Abstract An improved seal for use in a universal joint structure. The seal includes a C-shaped seal ring which is loaded into sealing engagement with an associated bearing cap by a load ring compressively nested within the C-shaped seal ring. The leg of the seal ring sealingly engages the bearing cap under a controlled load to provide an improved oil seal. The arrangement of the seal is co- ordinated with the allowable play of the trunnions of the joint structure so as to assure positive sealing engage- ment of the seal ring as a result of the loading of the load ring over the entire range of play movement per- mitted in the joint structure. The trunnions may be journaled in the bearing caps by suitable roller bearings which may effectively further limit the play so as to limit sliding movement as well as axial deflection of the seal rings for further improved sealing in the joint structure. In one form the leg of the seal ring sealingly engaging the bearing cap has an effective sealing engage- ment therewith of approximately one-half the radial extent of the leg.
323502
Caterpillar Tractor Co.
Smart & Biggar
LandOfFree
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