US PATENT SUBCLASS 277 / 572
.~.~.~ Particular mounting, frame, casing, or reinforcement feature

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}
572.~.~.~ Particular mounting, frame, casing, or reinforcement feature {3}
573  DF  .~.~.~.~> Peripheral mounting static seal {1}
575  DF  .~.~.~.~> Secured by molding or bonding
576  DF  .~.~.~.~> Secured by clamping {1}

DEFINITION

Classification: 277/572

Particular mounting, frame, casing or reinforcement feature:

(under subclass 549) Peripheral radially sealing flexible projection including a specific structure, holding, or support means to maintain the flexible projection in relatively movable sealing contact against one of the relatively movable parts.

(1) Note. This and indented subclasses include a nominal recitation of a casing having an additional structural feature relating the flexible projection to the casing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

371+, for a unitized cartridge containing a relatively rotatable, radially extending, sealing face member (e.g., face, mechanical, etc.).

551, for a dynamic, peripheral, radially sealing, flexible projection (e.g., lip seal, etc.) for other than a piston having an installation, removal, assembly, disassembly, or repair feature.