US PATENT SUBCLASS 384 / 481
.~.~.~.~ Relatively rotatable radially contacting

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
445  DF  .~ Antifriction bearing {9}
456  DF  .~.~ Radial bearing {9}
477  DF  .~.~.~ With specified seal {9}
481.~.~.~.~ Relatively rotatable radially contacting {1}
482  DF  .~.~.~.~.~> Resilient sliding surface material

DEFINITION

Classification: 384/481

Relatively rotatable radially contacting:

(under subclass 477) Subject matter wherein the seal comprises relatively rotatable elements presenting complementary sealing surfaces normal to or at a nonzero angle to the axis of rotation.

(1) Note. These are sometimes called "face seals".

SEE OR SEARCH THIS CLASS, SUBCLASS:

139+, for a relatively rotatable radially contacting seal with a plain bearing.