Printing plane adjusting mechanism

Details Printing plane adjusting mechanism Printing plane adjusting mechanism

1980-10-02

1982-12-28

Burr, Edgar S.

Typewriting machines

Including adjustment for optimum printing plane

In accordance with the number of sheets of record-medium

400 58, 400653, B41J 1120

Patent

active

043659004

ABSTRACT:
Disclosed is a printing plane adjusting mechanism for a typewriter or similar machine wherein a paper handling system including a platen defining the printing plane is finely as well as coarsely adjustable by a single lever relative to a printing element to establish a predetermined normal distance between the printing plane and printing element or varied distances other than normal to accommodate paper packs of varying thickness. Adjustment of the normal distance or gap is effected without loosening or tightening screws.

REFERENCES:
patent: 693033 (1902-02-01), Knapp
patent: 1175886 (1916-03-01), McLaughlin
patent: 1319428 (1919-10-01), Spiro
patent: 1906304 (1933-05-01), Barrett
patent: 2566963 (1951-09-01), Ritz
patent: 2986259 (1961-05-01), Salzberger
patent: 3442210 (1969-05-01), Hawxhurst
patent: 4178106 (1979-12-01), Mailer et al.
patent: 4286888 (1981-09-01), Bennett et al.

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