Universal bench magnet

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Work or object holding type

Reexamination Certificate

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Details

C335S290000, C269S008000

Reexamination Certificate

active

11004735

ABSTRACT:
An improve material holding device using magnetic force of variable strength comprising: an electromagnet mounted to a universal bracket adapted to mount to a vertical or horizontal surface, or a vise using the vise bar integrally attached to the underside of the magnet, a safety foot switch and timer, and control means to vary the force of said electromagnet. User can now safely free his hands from work pieces and speedily reposition said work piece.

REFERENCES:
patent: 2381458 (1945-08-01), Meister
patent: 2992580 (1961-07-01), Stolk et al.
patent: 3572680 (1971-03-01), Neff
patent: 4684112 (1987-08-01), Chernikov et al.
patent: 4777463 (1988-10-01), Cory et al.
patent: 2004/0145437 (2004-07-01), Lee

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