Device for preventing movement of an original document on a reci

Details Device for preventing movement of an original document on a reci Device for preventing movement of an original document on a reci

1976-03-16

1978-02-07

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

G03B 2762

Patent

active

040724182

ABSTRACT:
A device for preventing movement of an original document on the platen of a copier where the platen reciprocates is disclosed having a protrusion that is adapted to adhere to the platen cover. The protrusion is locatable according to the size of the original document being copied and applies pressure in a concentrated area on the platen or the document to prevent movement of the original document while being copied.

REFERENCES:
patent: 2009941 (1935-07-01), Mix
patent: 2686050 (1954-08-01), De Zelar
patent: 3099269 (1963-07-01), Sorensen
patent: 3825338 (1974-07-01), Kolibas
patent: 3997262 (1976-12-01), Dol et al.

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