Electromagnetic actuator having improved dampening means

Details Electromagnetic actuator having improved dampening means Electromagnetic actuator having improved dampening means

1988-10-18

1989-06-13

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

H01F 708

Patent

active

048396214

ABSTRACT:
A print mechanism has a laterally spaced longitudinally driven actuator or slider mounted between two electromagnets. By selective actuation of the electromagnets the slider is driven forward to strike a print element and produce printed information. A unique dampener assembly is provided to absorb recoil energy and maintain a fixed start position. The dampener assembly includes a return spring and a three layer damper that absorbs the excess recoil energy without experiencing permanent deformation.

REFERENCES:
patent: 3675172 (1972-07-01), Petusky
patent: 4272748 (1981-06-01), Fugate et al.
patent: 4749976 (1988-06-01), Pichler

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