B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
B23Q 3/15 (2006.01) B23Q 3/154 (2006.01)
Patent
CA 2052870
A new structure of permanent magnetic work holder comprises: a base which is a light-weight aluminum alloy having two pads mounted on the bottom thereof, shoulder portions at each lateral side, a plate spring receiver, and a block mounted at the front edge thereof with a hole therein for receiving a first sleeve; a magnetic conductive disk being composed of rows of a magnetic conductive plate and a magnet and a tin plate with a guide hole for holding of a second sleeve; a top plate being composed of rows of a copper plate receiving a magnet, and a magnetic conductive plate; a support plate spring received in said base; an operating lever with a cylindrical handle; and a cam having an eccentric shaft, a circular groove to hold an O-ring, and a hexagonal socket. The structure is characterized by the application of fusion weld at high temperature for assembly of the magnetic conductive disk and the top plate, and by the first sleeve extending through the hole in the block on said base for holding the cam which in turn receives an end of the operating lever to eliminate the possibility of it being seized.
Hsu Pei-Jui
Robic
LandOfFree
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