Print station apparatus

Details Print station apparatus Print station apparatus

1975-08-04

1979-03-13

Pieprz, William

Typewriting machines

Including adjustment for optimum printing plane

Responsive to thickness of record-medium

400 58, 400124, 101 9302, B41J 1120

Patent

active

041439775

ABSTRACT:
A platen assembly for a print station apparatus, which comprises first and second indepently movable platen units for holding recording medium so as to compensate for thickness of the medium, a third platen unit interposed between the first and second platen units and independently movable from the first and second platen units, the third platen unit having a minimum length necessary for holding the centerfold of the medium, and first and second springs secured to the first and second platen units and biasing the third platen unit toward a guide of the print station apparatus.

REFERENCES:
patent: 356406 (1887-01-01), Hey et al.
patent: 1131997 (1915-03-01), Cooper
patent: 1556215 (1925-10-01), Girton
patent: 2625100 (1953-01-01), Williams et al.
patent: 3538848 (1970-11-01), Barbour
patent: 3837461 (1974-09-01), Waibel
patent: 3912068 (1975-10-01), Kwan et al.
patent: 4029193 (1977-06-01), Kwan
Delapchier, "Passbook for Disk Printer," IBM Technical Disclosure Bulletin, vol. 13, No. 8, p. 2350, Jan. 1971.
Vichich, "Printing Platen for Nonuniform Thickness Forms", IBM Technical Disclosure Bulletin, vol. 16, No. 2, p. 605, Jul. 1973.

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