Apparatus for recording and/or reading information

Details Apparatus for recording and/or reading information Apparatus for recording and/or reading information

1991-01-30

1992-09-22

Burr, Edgar S.

Typewriting machines

Including adjustment for optimum printing plane

Responsive to thickness of record-medium

400 59, 400 57, 400 27, B41J 1120

Patent

active

051492105

ABSTRACT:
A recording and/or reading head has a recording and/or read nose and is movably mounted. The head is preloaded against a record carrier with first and second preload values. A sensor device senses and maintains the distance between the record carrier and the nose constant. The preloading structure includes a spring loaded cam operated mechanism acting between the head and the record carrier via a spring loaded wheel secured to the head, the wheel engaging the record carrier. A switching mechanism switches the apparatus between the first and second preload conditions. The apparatus can print or operate with documents of different thicknesses.

REFERENCES:
patent: 3912068 (1975-10-01), Kwan
patent: 3999749 (1976-12-01), Zambolin
patent: 4029193 (1977-06-01), Kwan
patent: 4039069 (1977-08-01), Kwan
patent: 4844632 (1989-07-01), Minowa
patent: 4883375 (1989-11-01), Karube

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