Structure of permanent magnetic work holder

Details Structure of permanent magnetic work holder Structure of permanent magnetic work holder

1991-02-21

1991-11-19

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

269 8, 335285, H01F 704, H01F 720, B25B 1100

Patent

active

050669362

ABSTRACT:
A new structure of permanent magnetic sucker comprising a base, a magnet conductive disk, a sucker, a support plate spring, an operating lever and a cam, in which the base is made of light-weight aluminum alloy to minimize its weight and load to working bench, the base is designed with two pads to facilitate use of large electromagnetic sucker, the operative lever is fixed through a sleeve to prevent from being seized, and characterized by the application of fusion weld at high temperature for assembly of the magnetic conductive disk and the sucker without any fixing pin or frame.

REFERENCES:
patent: 3010054 (1961-11-01), Gouldsmit
patent: 3336551 (1967-08-01), Stead
patent: 4023267 (1977-05-01), Pignataro
patent: 4075589 (1978-02-01), Braillon
patent: 4408752 (1983-10-01), Uchikune et al.
patent: 4575702 (1986-03-01), Nitta et al.
patent: 4663602 (1987-05-01), Pignataro

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