US PATENT SUBCLASS 227 / 141
.~ Driver moves work, member held stationary

Current as of: June, 1999
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227 /   HD   ELONGATED-MEMBER-DRIVING APPARATUS

140  DF  WITH MEANS TO SUPPORT MEMBER AND/OR WORK RELATIVE TO DRIVER {11}
141.~ Driver moves work, member held stationary

DEFINITION

Classification: 227/141

(under subclass 140) Device wherein said means is effective to hold a member in a fixed location during the driving operation.

(1) Note. In a device of this subclass type, the driver impels the work against a fixedly held member.