US PATENT SUBCLASS 227 / 131
.~.~.~ Magnet or solenoid

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

107  DF  WITH MEANS TO MOVE OR GUIDE MEMBER INTO DRIVING POSITION {11}
120  DF  .~ Including supply magazine for constantly urged members {8}
129  DF  .~.~ With means to actuate driver {4}
131.~.~.~ Magnet or solenoid

DEFINITION

Classification: 227/131

(under subclass 129) Device wherein the force applying means is an electromechanical transducer in which reciprocatory or oscillatory motion between a coiled conductor carrying electric current and a ferrous or iron-like armature is effected by varying the instantaneous value of current in the conductor.