US PATENT SUBCLASS 277 / 452
.~.~.~ Oblique wall

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}
449  DF  .~.~ Particular piston seat {6}
452.~.~.~ Oblique wall {1}
453  DF  .~.~.~.~> More than one oblique wall {1}

DEFINITION

Classification: 277/452

Oblique wall:

(under subclass 449) Particular piston seat wherein the groove has a nonuniform axial width and a tapered or inclined wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

587, for a dynamic, circumferential contact seal for other than a piston seated in a groove having an oblique wall.