US PATENT SUBCLASS 277 / 589
.~.~ Radially backed by resilient or elastomeric member


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}
589.~.~ Radially backed by resilient or elastomeric member


DEFINITION

Classification: 277/589

Radially backed by resilient or elastomeric member:

(under subclass 500) Dynamic, circumferential, contact seal wherein the seal includes an elastic element to bias the sealing means in a direction perpendicular to an axis formed between the relatively movable parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

545, for a dynamic, circumferentially contacting, segmented ring for other than a piston having other than a nominal garter spring as a radial, biasing, spring element.

553+, for a dynamic, circumferential contacting, peripheral, radially sealing, flexible projection (e.g., a lip seal, etc.) including a bias means other than a nominal garter spring for other than a piston.