US PATENT SUBCLASS 277 / 362
.~.~.~ Floating intermediate sealing face 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}
358  DF  .~ Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) {9}
361  DF  .~.~ Multiple sealing faces (e.g., double seals, etc.) {7}
362.~.~.~ Floating intermediate sealing face member {1}
363  DF  .~.~.~.~> Including an outwardly axial biasing member

DEFINITION

Classification: 277/362

Floating intermediate sealing face member:

(under subclass 361) Multiple sealing faces including a sealing face member located between and free (i.e., not fixed to one of the relatively movable parts) for rotating relatively to the relatively rotatable sealing face members fixed to their relatively movable parts.