US PATENT SUBCLASS 277 / 384
.~.~.~.~ Washerlike shape

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}
377  DF  .~.~ Particular axial biasing feature {3}
379  DF  .~.~.~ Particular spring feature {4}
384.~.~.~.~ Washerlike shape

DEFINITION

Classification: 277/384

Washerlike shape:

(under subclass 379) Particular spring feature wherein the spring has a general disclike configuration (e.g., having a frustoconical or "Belleville" profile, incorporating radial

or axial corrugation, or including one or more radially extending fingers, etc.).