Printing – Selective or progressive – Bed and platen machines
Patent
1975-10-21
1978-02-28
Coven, Edward M.
Printing
Selective or progressive
Bed and platen machines
101 9302, B41J 902
Patent
active
040759431
ABSTRACT:
A high-speed fast acting actuator for an impact printing mechanism. The actuator has an improved high-strength low-mass actuating arm made of magnetic material. The actuating arm comprises a uniform thickness center lever and plates of magnetic material attached at the moment arm.
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patent: 3605611 (1971-09-01), Korkel et al.
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patent: 3726273 (1973-04-01), Herbert
patent: 3734012 (1973-05-01), Huggins
patent: 3818398 (1974-06-01), Barbier et al.
Coven Edward M.
Sowell John B.
Sperry Rand Corporation
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