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Construction
Class Information
Number:
277/506
Name:
Seal for a joint or juncture
>
Seal between relatively movable parts (i.e., dynamic seal)
>
Circumferential contact seal for other than piston
>
Accommodates gyratory or oscillatory motion
> Arcuate bearing surface
Description:
Accommodates gyratory or oscillatory motion wherein the seal or one of the relatively movable parts has a curved bearing surface.
Sub-classes under this class:
Class Number
Class Name
Patents
277/507
Partially spherical
41
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6698764
Packing assembly
Mar. 2, 2004
6322081
Circumferential seal with ceramic rotor
Nov. 27, 2001
5607165
Sealing system for a valve having biassed sealant under pressure
Mar. 4, 1997
4911482
Ball joint
Mar. 27, 1990
4582329
Sealing bearing arrangement with convex bushing ring
Apr. 15, 1986
4579350
Packless stuffing box for polish rods
Apr. 1, 1986
4503730
Lever control assembly
Mar. 12, 1985
4345766
Apparatus for sealing an oil well pump polished rod
Aug. 24, 1982
4108381
Rocket nozzle bearing seal
Aug. 22, 1978
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