Unitary guide for platen and print head

Details Unitary guide for platen and print head Unitary guide for platen and print head

1984-11-16

1985-12-03

Crowder, Clifford D.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400320, 400354, B41J 1122, B41J 2528

Patent

active

045563349

ABSTRACT:
The printer is for printing on a narrow print-receiving medium such as a ticket (T) which passes lengthwise through the printer. The printer includes an anvil or platen which is at least partially constituted by a cylindrical roller (150) capable of rotating about its own axis (322) in such a manner that its cylindrical surface accompanies the movement of the narrow medium substantially without slipping. A dot-matrix print head is movable in translation transversely to the motion of the medium so as to print thereon against a generator line of the roller. The improvement lies in the printer further including a unitary guide assembly (301, 302, 307, 313) for guiding both rotation of the roller and translation of the print head.

REFERENCES:
patent: 3684076 (1972-08-01), Crain et al.
patent: 4044881 (1977-08-01), Chai et al.
patent: 4196665 (1980-04-01), Rogers et al.
Olson, et al., "Supporting Rail Structure for Matrix Printhead", IBM Technical Disclosure Bulletin, vol. 25, No. 5, Oct. 1982, pp. 2661-2662.

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