US PATENT SUBCLASS 279 / 134
SEPARATE CHUCK-ACTUATING POWER SOURCE

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

134SEPARATE CHUCK-ACTUATING POWER SOURCE {1}
135  DF  .~> Self-contained

DEFINITION

Classification: 279/134

SEPARATE CHUCK-ACTUATING POWER SOURCE:

(under the class definition) A device having means other than the spindle, such as a motor, for activating the chuck.