F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/50
F16J 15/34 (2006.01) B62D 55/088 (2006.01) F16J 15/36 (2006.01) F16J 15/52 (2006.01)
Patent
CA 1133533
Abstract A sealing structure for use in a joint having a first member axially movable relative to a second member. The first member defines a recess receiving the sealing structure which includes an annular seal ring having a radially outer annular base portion fitted in the recess, a sealing portion having a lip engaging a surface of the movable member confronting the recess. The sealing portion is provided with a stiffener which is bonded or partially encapsulated therein and provided with axially inwardly projecting tongues engaged by a spring structure. In the illustrated embodiment, the spring structure includes one or more Belleville springs received within the base portion of the seal ring and having outer portions axially inwardly engaging a flange inturned by the axially inner portion of the base. The Belleville springs are arranged to deflect past the flat disposition thereof in the range of movement between the joint members so as to provide an effectively minimum variation in the sealing force applied thereby.
347313
Caterpillar Tractor Co.
Smart & Biggar
LandOfFree
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