发明名称 HAND-HELD KNOCKOUT PUNCH DRIVER
摘要 A hand-held knockout punch driver for use with a punch and a die. The hand-held knockout punch driver having a body with a handle portion and a contact surface, a motor positioned within the body, a draw stud moveable with respect to the body, and a magnetic coupling member configured to releaseably couple the die to the contact surface of the body.
申请公布号 US2012255184(A1) 申请公布日期 2012.10.11
申请号 US201213444772 申请日期 2012.04.11
申请人 MYRHUM, JR. JAMES O.;THORSON TROY C.;CHUNG KOON FOR 发明人 MYRHUM, JR. JAMES O.;THORSON TROY C.;CHUNG KOON FOR
分类号 B26F1/34 主分类号 B26F1/34
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