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Class Information
Number: 277/380
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) > Particular axial biasing feature > Particular spring feature > Made of elastomeric material
Description: Particular spring feature wherein the spring is manufactured of a rubberlike material.


Sub-classes under this class:

Class Number Class Name Patents
277/381 Frustoconical shape 25
277/382 O-ring shape 61


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7413037 Metal face seal for an earth-boring bit Aug. 19, 2008
7370865 Assembly including face seal sized to interference fit in housing May. 13, 2008
7121555 Seal assembly and crawler-track connection structure Oct. 17, 2006
7093836 Seal device Aug. 22, 2006
6708980 Mechanical sealing device Mar. 23, 2004
6472786 Bearing protection assembly for motors Oct. 29, 2002
6213471 Seal assembly with stabilized seal rings Apr. 10, 2001
6186511 Seal assembly with an interlocking load ring Feb. 13, 2001
6176491 Sealing device Jan. 23, 2001
6113482 Metal-detectable elastomeric material for piston seals and the like Sep. 5, 2000
6086069 Metal ring seal Jul. 11, 2000
6053506 Slide ring seal assembly including a supporting ring having an embedded reinforcing body Apr. 25, 2000
5899459 Track joint sealing assembly having a ceramic seal member and elastomeric spring members for sealing a track joint in a track chain May. 4, 1999
5762343 Slide ring seal assembly Jun. 9, 1998
5642890 Slide ring seal assembly Jul. 1, 1997
5577739 Mechanical seal with angular sealing surface Nov. 26, 1996
5441282 Mechanical seal Aug. 15, 1995
5409240 Seal with self-lubricating contact surface Apr. 25, 1995
5390997 End face sealing assembly device for track shoe coupling Feb. 21, 1995
5332235 Mechanical face seals Jul. 26, 1994
5186473 Device for sealing a gap between two relatively moving surfaces Feb. 16, 1993
5096396 Rotary apparatus having passageways to clean seal chambers Mar. 17, 1992
5080567 Gerator hydraulic device having seal with steel and resilient members Jan. 14, 1992
4968044 Rotary facial seal and bearing assembly Nov. 6, 1990
4838560 Slide ring seal Jun. 13, 1989
4822056 Adjustable rotary shaft seal Apr. 18, 1989
4809590 Sealing arrangement for rotary vane-type motors Mar. 7, 1989
4804196 Sealing assembly for a device having a rotatable shaft Feb. 14, 1989
4759553 Dynamic rotary face seal Jul. 26, 1988
RE32646 Mechanical seals with setting block for use with slurry pumps Apr. 19, 1988
4671368 Earth boring bit with shear compression seal Jun. 9, 1987
4666001 Earth boring bit with improved rigid face seal assembly May. 19, 1987
4656925 Face seal Apr. 14, 1987
4575306 Slurry pump mechanical seal mounting assembly Mar. 11, 1986
4568090 Oil seal for lubricated tracks on a crawler tractor Feb. 4, 1986
4521025 Seal device Jun. 4, 1985
4509773 Pump-mechanical seal construction with axial adjustment means Apr. 9, 1985
4498679 Grease seal Feb. 12, 1985
4482194 Fluid pressure assisted rotary shaft seal with labyrinth bushing and replacement seal sleeve cartridge Nov. 13, 1984
4466622 Compound dynamic seal for rolling cutter drill bit Aug. 21, 1984
4461488 Seal for link of track chain Jul. 24, 1984
4457521 Reinforced track pin assemblies and seals therefor Jul. 3, 1984
4445695 Rotary mechanical seals May. 1, 1984
4418919 Mechanical seals with setting block for use with slurry pumps Dec. 6, 1983
4415317 Wrap element and tip seal for use in fluid apparatus of the scroll type Nov. 15, 1983
4413831 Face seal with elastomeric axial thrust member Nov. 8, 1983
4411407 Ball valve assembly Oct. 25, 1983
4396198 Joint pin seal for a caterpillar track Aug. 2, 1983
4364572 Seal assembly with load ring Dec. 21, 1982
4331339 Seal assembly having a plastic annular sealing member with an integral sealing lip May. 25, 1982

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