Print wire solenoid

Details Print wire solenoid Print wire solenoid

1983-05-03

1984-12-25

Pieprz, William

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400167, 400686, 101 9305, 101 9334, 335257, B41J 312

Patent

active

044900570

ABSTRACT:
A matrix print wire solenoid used in a wire matrix printer and including an enclosure member releasably secured to one end of the solenoid by a spring member deformed by the outer surface of the enclosure member to pre-load the enclosure member and an energy absorbing member located adjacent the enclosure member. A plunger member to which one end of a print wire is affixed is located adjacent the energy absorbing member for engaging the member during the rebounding movement of the plunger member enabling the energy absorbing member to transmit impact forces to the enclosure and the spring members.

REFERENCES:
patent: 919672 (1909-04-01), Anderson
patent: 3396354 (1968-08-01), Fisher
patent: 4014425 (1977-03-01), Gijzen et al.
patent: 4125336 (1978-11-01), Chu
patent: 4137513 (1979-01-01), Reece et al.
patent: 4272748 (1981-06-01), Fugate et al.

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