Printing – Selective or progressive – Bed and platen machines
Patent
1974-07-25
1976-07-06
Rader, Ralph T.
Printing
Selective or progressive
Bed and platen machines
101 9322, 101 9341, 101110, B41J 122
Patent
active
039675505
ABSTRACT:
A squeeze type printer for papers or stacks of papers having varying thicknesses wherein a printing platen is advanced to impress the paper against type bearing members by a yieldably driven cam element connected in series with a positively driven cam element. The yieldably driven cam element is self-locking and acts to advance the paper or paper stack against the type bearing member. Concurrently, the positively driven cam element acts to further advance the paper to cause the printing impression.
REFERENCES:
patent: 3217639 (1965-11-01), Kelly
patent: 3381790 (1968-05-01), Chaveneaud et al.
patent: 3418933 (1969-12-01), Schaefer
patent: 3461797 (1969-08-01), Trab et al.
patent: 3618513 (1971-11-01), Merker
patent: 3664259 (1972-05-01), Weinkle
patent: 3712211 (1973-01-01), Thut
Addmaster Corporation
Rader Ralph T.
Schwend Fred N.
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