F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/40
F16J 15/32 (2006.01) B01J 35/08 (2006.01) B01J 37/02 (2006.01) C10G 45/04 (2006.01) B01J 23/85 (2006.01)
Patent
CA 1131674
- 18 - Abstract A joint sealing structure for use in sealing relatively axially movable members of a joint over a wide range of such axial movement includes a seal ring having a sealing lip having a maintained dynamic seal with a sealing surface of one of the joint members. A stiffener is provided for transferring biasing force from a spring to the sealing lip. The stiffener may be provided with a flexible connecting portion permitting free movement of the sealing lip under the biasing action of the spring over the range of movement between the joint members. In one form, a base may be provided to which the connecting portion is mounted, the base being fitted into the counterbore of the joint member so as to provide a static seal therebetween. The base may be provided with a turned flange for carrying the outer portion of the spring for free movement of the spring in maintaining the biasing action. The spring may comprise a Belleville spring arrangement to pass over center over the range of movement of the joint members so as to provide an effectively constant spring biasing force to the sealing lip. The arrangement has the advantage of simplicity of construction.
355610
Caterpillar Tractor Co.
Kirby Eades Gale Baker
LandOfFree
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