US PATENT SUBCLASS 277 / 387
.~.~.~ Fluid pressure

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
387.~.~.~ Fluid pressure {2}
388  DF  .~.~.~.~> Creates counter pressure
389  DF  .~.~.~.~> And bellows or diaphragm

DEFINITION

Classification: 277/387

Fluid pressure:

(under subclass 377) Particular axial bias feature comprising means to create axial bias by using hydraulics or pneumatics.