US PATENT SUBCLASS 227 / 60
.~.~ With pilot pin

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

51  DF  WITH MEANS TO HEAD MEMBER {5}
55  DF  .~ Heading tool extends within hollow portion of member {4}
60.~.~ With pilot pin

DEFINITION

Classification: 227/60

(under subclass 55) Device wherein either the driver or the heading means has an elongated projection adapted to enter the hollow portion of the member prior to the heading of the member to hold the member in a position to be driven and/or headed.