Magnetic sweeper

Details Magnetic sweeper Magnetic sweeper

1975-10-28

1977-04-12

Halper, Robert

Classifying, separating, and assorting solids

Magnetic

Paramagnetic

15159A, 5640017, 209223R, B03C 130

Patent

active

040173860

ABSTRACT:
A broom or rake fitted with magnetizable tines for attracting ferrous debris, when the tines are magnetically energized. The tines extend into a tubular section of the handle of the tool in which the field of a magnetic element or electrical coil serves to magnetize the tines. The magnetic field may be turned off by means of an actuating lever or switch mounted in the handle of the tool so as to enable the tines to drop magnetic debris, and the lever or switch permits reversing of the magnetic field to eliminate residual magnetism formed in the tines after extended use.

REFERENCES:
patent: 555546 (1896-03-01), Whitacre
patent: 966855 (1910-08-01), Phillips
patent: 1137492 (1915-04-01), Kidney
patent: 1831393 (1931-11-01), Pierce
patent: 2226287 (1940-12-01), Miller
patent: 2827168 (1958-03-01), Bowers
patent: 3377641 (1968-04-01), McGregor

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