US PATENT SUBCLASS 277 / 367
.~.~.~ Shaft mounted sealing face members biased axially towards each other

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}
367.~.~.~ Shaft mounted sealing face members biased axially towards each other

DEFINITION

Classification: 277/367

Shaft mounted sealing face members biased axially towards each other:

(under subclass 361) Multiple sealing faces wherein the surface members are on the one relatively movable part (e.g., shaft, etc.) enclosed by the other relatively movable part (e.g., housing, casing, etc.) and forced along the rotational axis formed between the relatively movable parts in an inwardly direction.