US PATENT SUBCLASS 227 / 88
.~.~.~ Including retractable forming bar

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

82  DF  WITH MEANS TO FORM MEMBER PRIOR TO PENETRATION OF WORK {5}
85  DF  .~ With offset tools to deform members (e.g., bending, drawing, etc.) {2}
87  DF  .~.~ With driver acting through offset tools {2}
88.~.~.~ Including retractable forming bar {2}
89  DF  .~.~.~.~> With movable member-holder
90  DF  .~.~.~.~> Pivoted

DEFINITION

Classification: 227/88

(under subclass 87) Device comprising means to move another of said shaping elements toward and away from its forming position and from the path of the driver.