US PATENT SUBCLASS 157 / 20
.~ Means rotates around relatively fixed axis

Current as of: June, 1999
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157 /   HD   WHEELWRIGHT MACHINES

14  DF  WHEEL HOLDING MEANS {5}
20.~ Means rotates around relatively fixed axis

DEFINITION

Classification: 157/20

Means rotates about relatively fixed axis:

(under subclass 14) Apparatus wherein the means is supported by structure which allows it to rotate about a relatively fixed point.

SEE OR SEARCH CLASS

269, Work Holders,

50, and 55+ for work holders mounted for movement with respect to a base or support.