US PATENT SUBCLASS 279 / 2.23
.~.~ Ball or roller

Current as of: June, 1999
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279 /   HD   CHUCKS OR SOCKETS

2.01  DF  EXPANDING {6}
2.21  DF  .~ Jaw structure {3}
2.23.~.~ Ball or roller

DEFINITION

Classification: 279/2.23

Ball or roller:

(under subclass 2.21) A device having a sphere or cylinder for the gripping structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

22, for a self-grasping socket having yielding grasping jaws including ball or roller.

152+, for a jaw insert component or accessory.