Typewriting machines – Including adjustment for optimum printing plane – By adjustment of platen relative to carriage
Patent
1994-04-11
1997-09-30
Hilten, John S.
Typewriting machines
Including adjustment for optimum printing plane
By adjustment of platen relative to carriage
400247, B41J 1120
Patent
active
056720157
ABSTRACT:
An improved method and apparatus in a printing device having a printhead displaceable along a record carrier. The record carrier is supported beneath the printhead by a platen. The improved apparatus includes a mechanism for spacing the printing distance between the printhead and the record carrier. The spacing mechanism is positioned to bear upon the record carrier in advance of the printhead. A mechanism urges the platen away from the printhead and the spacing mechanism so as to permit a ribbon mechanism to be inserted between the printhead and the platen.
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Lyerly Jeffrey B.
Miller Frederick C.
Robinson Carl W.
Hilten John S.
International Business Machines - Corporation
Tennent A. P.
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