US PATENT SUBCLASS 384 / 378
.~.~.~.~.~ Spiral groove

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

Internet Version by PATENTEC © 1999      Terms of Use


384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
129  DF  .~ Plain bearing {17}
322  DF  .~.~ Lubricating {5}
372  DF  .~.~.~ Fixed shaft {6}
377  DF  .~.~.~.~ Specified external feed {2}
378.~.~.~.~.~ Spiral groove

DEFINITION

Classification: 384/378

Spiral groove:

(under subclass 377) Subject matter wherein the lubricant is distributed to the bearing surface by a narrow furrow, hollow cut, etc. in the form of a spiral on an axle, or hub.

SEE OR SEARCH THIS CLASS, SUBCLASS:

291+, for a groove in sleeve or liner for lubricant.