US PATENT SUBCLASS 277 / 585
.~.~ Elongated sleeve or bushing

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}
585.~.~ Elongated sleeve or bushing

DEFINITION

Classification: 277/585

Elongated sleeve or bushing:

(under subclass 500) Dynamic circumferential contact seal wherein the seal has a somewhat elongated, tubular shape intended to guide an inner, relatively movable part.

SEE OR SEARCH THIS CLASS, SUBCLASS:

338, for a longitudinally actuated packing sleeve for well apparatus.

422, for a dynamic close proximity floating ring or bushing (i.e., contactless).

579+, for a dynamic, circumferential contact, floating ring or bushing seal for other than a piston.

607, for a sleeve-type, static, contact seal intended for a pipe, conduit, or cable.