Copyholder

Details Copyholder Copyholder

1975-09-19

1977-08-23

Oechsle, Anton O.

Card, picture, or sign exhibiting

Copyholder

Including copy-advancing means

1971812, B41J 1144, B41J 2900

Patent

active

040430642

ABSTRACT:
A copyholder that is operable efficiently both with copy having regular lines and copy having irregular lines. A first actuating device moves an indicator over copy in an adjustable but predetermined and regular manner so that copy having regular lines may be readily copied, while a second actuating device independent of the first actuating device moves the indicator continuously as long as it is actuated so that copy having irregularly spaced lines may also be readily copied. A stopping device associated with the first actuating device compares actual-value signals with a predetermined rated-value signal to determine when movement of the indicator should be automatically terminated in copying material having regularly spaced lines.

REFERENCES:
patent: 3316661 (1967-05-01), Simpson et al.
patent: 3341951 (1967-09-01), Barnette
patent: 3344534 (1967-10-01), Anschutz et al.
patent: 3369313 (1968-02-01), Vincent
patent: 3449849 (1969-06-01), Di Pasquale et al.
patent: 3524268 (1970-08-01), Venturi
patent: 3744157 (1973-07-01), Dallas
patent: 3763989 (1973-10-01), Goldman
patent: 3882620 (1975-05-01), Grindle

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