Printing – Selective or progressive – Bed and platen machines
Patent
1981-10-14
1983-09-27
Sewell, Paul T.
Printing
Selective or progressive
Bed and platen machines
4001442, 400175, B41J 9127
Patent
active
044062230
ABSTRACT:
A print hammer release mechanism for use in typewriters or similar machines in which means are provided for moving the print hammer from a first position in which the print hammer is in position for a printing operation to occur, to a second position which facilitates the insertion of a print element into the typewriter.
REFERENCES:
patent: 3983985 (1976-10-01), Guerrini et al.
patent: 4037532 (1977-07-01), Plaza et al.
patent: 4299502 (1981-11-01), Harre
patent: 4310255 (1982-01-01), Asano et al.
patent: 4314770 (1982-02-01), Harre
patent: 4324496 (1982-04-01), Link
patent: 4327639 (1982-05-01), Crystal et al.
Greb Kenneth W.
SCM Corporation
Sewell Paul T.
Weinberger Ernest F.
Wiecking David A.
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