Stabilizing device for hammer bounding at printers

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by movement of record-medium against type-face

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101 9329, 101 9348, 101 9302, 267137, 267153, 400686, B41J 902, B41J 938

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active

046436006

ABSTRACT:
A stabilizing device containing two bonded elastomeric materials with restitution coefficients that vary inversely with temperature changes. The resultant restitution coefficient of the printer hammer back-stopper remains relatively constant regardless of temperature variations in the back stopper caused by heat generated by the operation of a hammer solenoid.

REFERENCES:
patent: 4505604 (1985-03-01), Takemoto
patent: 4530280 (1985-07-01), Kaneko et al.
"Backstop for Electromagnetic Actuators" by Helinski, IBM Technical Disclosure Bulletin, vol. 27, No. 7B, 12/1984, pp. 4290-4291.
"Backstop for Electromagnetic Actuators", Research Disclosure, Dec. 1984, Number 248.

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