Printing – Selective or progressive – Numbering
Patent
1991-08-29
1992-08-11
Eickholt, Eugene H.
Printing
Selective or progressive
Numbering
101287, 101316, 400 56, 400 58, 34 82, 34 87, B41J 4500
Patent
active
051369370
ABSTRACT:
A frame plate is movably mounted on a guide shaft erected from a base for movement upward and downward, a space formed between the base and the frame plate being served as the insertion passage for the typing sheet. The frame plate is provided thereon with a printer adapted to print such data as time and serial numbers on the inserted typing sheet, a cam shaft adapted to move the printer forward and backward, and a motor for rotating the cam shaft. A spring is disposed between the frame plate and the base in order to normally pull the frame plate toward the base side, a rubber stopper being disposed to a bottom surface of the frame plate in order to normally maintain the distance between a printer head and the surface of the typing sheet constant. The cam shaft is provided on one end thereof with a cam disc which, while pressing a cam face thereof against a supporting roller disposed on the base side, is rotated to push the whole frame plate upward against a pull-force of the spring to spread the space of the insertion passage when the printer is moved forward toward a typing start position by the cam shaft, and which release the pushing-up action exerted to the frame plate in order to lower the frame plate toward the base side when the printer, while maintaining its typing action, is moved backward toward the start position.
REFERENCES:
patent: 2087315 (1937-07-01), Bugg et al.
patent: 2214796 (1940-04-01), Ostler
patent: 2796315 (1957-06-01), Moodie
patent: 3039103 (1962-06-01), Bud
patent: 3693543 (1972-09-01), Noller
patent: 4415801 (1983-11-01), Franke
patent: 4494127 (1985-01-01), King
patent: 4632577 (1986-12-01), Brull et al.
patent: 4655625 (1987-04-01), Brull
patent: 4706527 (1989-01-01), Erwin
patent: 4810110 (1989-03-01), Myers
"Low-Cost Single-Line Printer", IBM Tech. Discl. Bulletin, vol. 27, No. 1B, Jun. 84, pp. 637-638.
Amano Corporation
Eickholt Eugene H.
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