Electromagnet

Details Electromagnet Electromagnet

1980-09-17

1983-03-29

Schreyer, Stafford D.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

335286, 335297, 294 655, 414781, H01F 720

Patent

active

043785476

ABSTRACT:
When an electromagnet (2) is employed to lift and turn a slab of steel, there is a risk that the slab is dropped, causing undesirable noise. Also, with a flat contact surface of the electromagnet, there is jerking of the apparatus. Improvement in both respects is achieved by the use of a singly curved convex contact surface (7) of the electromagnet, which provides line contact with the slab at all times, avoiding transitions from line contact to face contact.

REFERENCES:
patent: 4162471 (1979-07-01), Peace et al.

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