Bounce-free lifting device

Details Bounce-free lifting device Bounce-free lifting device

1979-05-15

1981-05-26

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

188266, 269310, 324158F, 335257, H01F 100, H01F 300, H01F 700

Patent

active

042701090

ABSTRACT:
The lifting movement of an armature of an electromagnet is braked by means of a gas which flows out under pressure between the abutment faces of a core of the electromagnet and the armature so that the gas is compressed therebetween and discharged in the outer atmosphere.

REFERENCES:
patent: 3936743 (1976-02-01), Roch
patent: 3972505 (1976-08-01), Padula

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