US PATENT SUBCLASS 277 / 508
.~.~.~ Axially spring biased

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}
503  DF  .~.~ Accommodates gyratory or oscillatory motion {4}
508.~.~.~ Axially spring biased {1}
509  DF  .~.~.~.~> Coaxial spring

DEFINITION

Classification: 277/508

Axially spring biased:

(under subclass 503) Accommodates gyratory or oscillatory motion including an elastic contrivance or body to force the seal in a direction along an axis of motion of the relatively movable parts.