Magnetic fixture assembly

Details Magnetic fixture assembly Magnetic fixture assembly

1987-09-25

1988-10-11

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

335286, 335291, H01F 720

Patent

active

047774630

ABSTRACT:
A fixture for locating a workpiece in a precisely established position comprises a lower magnetic base and an upper fixture plate, the workpiece being fixtured on the plate. The base includes a permanent magnet which normally clamps the plate to the base but which is disabled and releases the plate when an electromagnet in the base is energized. Prior to clamping the plate to the base, the plate is located in a precise edgewise position on the base by quickly insertable and removable dowel pins adapted to be received by the plate and the base with a precision fit.

REFERENCES:
patent: 1036976 (1912-08-01), Downes
patent: 1081462 (1913-12-01), Patton
patent: 1105552 (1914-07-01), Downes
patent: 1290868 (1919-01-01), Arter
patent: 2449255 (1948-09-01), Sneckner
patent: 2479584 (1949-08-01), Meyer
patent: 3078565 (1963-02-01), Sanders
patent: 3389357 (1968-06-01), Schneider
patent: 3723928 (1973-03-01), Blakey et al.
patent: 3978441 (1976-08-01), Sobottka et al.
patent: 4075589 (1978-02-01), Braillon

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