US PATENT SUBCLASS 227 / 144
.~.~ Pivoted tool element

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}
143  DF  .~ With means to move elements of tool-pair during driving {1}
144.~.~ Pivoted tool element

DEFINITION

Classification: 227/144

(under subclass 143) Device comprising means to restrain the motion of said tools to an arcuate path.