US PATENT SUBCLASS 277 / 483
.~.~.~.~ Disposed in socket or about pin

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}
434  DF  .~ Piston ring or piston ring expander or seat therefor {15}
467  DF  .~.~ Particular piston ring expander {12}
482  DF  .~.~.~ Circumferentially spaced separately seated radially acting bias feature {1}
483.~.~.~.~ Disposed in socket or about pin

DEFINITION

Classification: 277/483

Disposed in socket or about pin:

(under subclass 482) Particular piston ring expander wherein the radially acting bias members are received and held in circumferentially spaced hollows of or arranged about circumferentially spaced projections.