Printer

Details Printer Printer

1976-11-29

1980-01-22

Pieprz, William

Typewriting machines

Including adjustment for optimum printing plane

Responsive to thickness of record-medium

400 58, 400649, 101 9303, B41J 312, B41J 328, B41J 1120

Patent

active

041847806

ABSTRACT:
A printer especially suitable for printing letters and symbols on a recording media having portions of different thickness such as a bank deposit pass book foldable along a folding line. A movable platen is comprised of left and right units and a central unit which are moved toward and away from the recording medium by rotary cams and spring means so that the upper surfaces of the left, right and central units of the platen are always maintained in the same plane parallel with the running path of the printing head. Satisfactory printing can be made irrespective of the difference in the thickness of the portions of the recording medium.

REFERENCES:
patent: 356406 (1887-01-01), Hey et al.
patent: 2035310 (1936-03-01), Florance
patent: 3242859 (1966-03-01), Argerinos et al.
patent: 3361243 (1968-01-01), Kaiser
patent: 3912068 (1975-10-01), Kwan et al.
patent: 3983803 (1976-10-01), Thomas et al.
patent: 4029193 (1977-06-01), Kwan
Delapchier et al., Pass Book for Disk Printer, IBM Technical Disclosure Bulletin, vol. 13, No. 8, p. 2350 1/71.
Carpenter et al., Forms Sensor for Automatic Platen, IBM Technical Disclosure Bulletin, vol. 13, No. 12, p. 3643 5/71.

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