US PATENT SUBCLASS 384 / 31
.~.~.~ For hand-held drill shaft

Current as of: June, 1999
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384 /   HD   BEARINGS

7  DF  LINEAR BEARING {20}
26  DF  .~ Plain bearings {12}
29  DF  .~.~ Cylindrical outer race {3}
31.~.~.~ For hand-held drill shaft

DEFINITION

Classification: 384/31

For hand-held drill shaft:

(under subclass 29) Subject matter wherein the bearing is to support the shaft of a hand-held drill.

(1) Note. See subclass 24 for above ground bearings with laterally moving segments which may guide the shaft of a well drill.

(2) Note. See note to subclass 29 for line between this class and Class 175, "Boring or Penetrating the Earth".