Printer such as a computer printer having a spacing adjustment a

Details Printer such as a computer printer having a spacing adjustment a Printer such as a computer printer having a spacing adjustment a

1991-12-20

1992-12-22

Crowder, Clifford D.

Typewriting machines

Including adjustment for optimum printing plane

Responsive to thickness of record-medium

400 55, 400 59, B41J 1120

Patent

active

051729873

ABSTRACT:
A computer printer which has a print head and a printing bed plate comprises an apparatus to adjust the distance between the print head and the printing bed plate to thereby allow for printing on charts which are not of uniform thickness. The distance adjustment apparatus comprises a rigidly mounted sensing roller and/or a leading or trailing feeler lever, which electronically controls the print head distance.

REFERENCES:
patent: 4010834 (1977-03-01), Linder
patent: 4024940 (1977-05-01), Hendrisch et al.
patent: 4090600 (1978-05-01), Bierdermann
patent: 4233895 (1980-11-01), Wehler
patent: 4420269 (1983-12-01), Achermann et al.
patent: 4676675 (1987-06-01), Suzuki
patent: 4917512 (1990-04-01), Mimura et al.

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