US PATENT SUBCLASS 277 / 571
.~.~.~ Wear sleeve

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
500  DF  .~ Circumferential contact seal for other than piston {13}
549  DF  .~.~ Peripheral radially sealing flexible projection (e.g., lip seal, etc.) {12}
571.~.~.~ Wear sleeve

DEFINITION

Classification: 277/571

Wear sleeve:

(under subclass 549) Peripheral, radially sealing, flexible projection including a tubular member mounted on one of the relatively movable parts intended to protect the one relatively movable part from deterioration caused by the relatively movable surface contact of the peripheral radially sealing flexible projection.

SEE OR SEARCH THIS CLASS, SUBCLASS:

527, for a dynamic, circumferential contact seal for other than a piston intended to be contained or compressed by a gland member in a packing box having a wear sleeve.