Printing – Selective or progressive – Bed and platen machines
Patent
1977-12-21
1980-03-04
Coven, Edward M.
Printing
Selective or progressive
Bed and platen machines
400146, B41J 120
Patent
active
041911040
ABSTRACT:
A printer having a plurality of swingable and rotatable printing character bearing endless belts each of which is stretched around a pair of rotatable wheels, one of which is adapted to be swung into contact with a platen. The other wheel is adapted to be driven by a driving shaft to select the character to be printed. The belts are selectively swung in response to a signal from a control circuit to abut the characters selected against the platen onto a paper therebetween, and the belts are also selectively moved by the other wheels in response to electrical signals which drive a drive shaft which drives the other wheels.
REFERENCES:
patent: 2901540 (1959-08-01), Canepa
patent: 3115092 (1963-12-01), Sasaki
patent: 3766852 (1973-10-01), DePuy et al.
patent: 3793951 (1974-02-01), Denley
patent: 3983804 (1976-10-01), Thienemann
patent: 4075945 (1978-02-01), Bienholz
Copal Company Limited
Coven Edward M.
Nissen J. Harold
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