Patent ID: 7548147
Filing Date: 2009-06-16
Classification: H01F

Abstract:
1. A switch type ON/OFF structure for hoisting magnetic disks, comprising: a chest type hoisting magnetic disk which has a magnetic attracting force at the bottom thereof to attract a work piece; a handle which has a pivotal axle at the bottom end to be hinged on one end surface of the hoisting magnetic disk and a boss formed at one side above the pivotal axle, the boss having a through hole to hold an extensible latch member which has a top portion movable upwards and forms an interval with the handle; a first detent member formed in a round strut and extended at one side of the handle; and a second detent member formed in a round strut and extended at another side of the handle; wherein the through hole has a top portion formed at a diameter smaller than the bottom thereof to form a bucking rim, the latch member having a handgrip at a top portion, the handgrip being located above the boss, the latch member having a latch strut at the bottom thereof, the latch strut having a diameter greater than a middle portion of the latch member, the latch member being coupled with an elastic member on an outer side, the elastic member having a top end pressing the bucking rim and a bottom end pressing an upper side of the latch strut.