Document holder for a copier and hinge mechanism therefor

Details Document holder for a copier and hinge mechanism therefor Document holder for a copier and hinge mechanism therefor

1988-02-25

1989-08-01

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

G03B 2762

Patent

active

048537500

ABSTRACT:
A document holder for holding a document sheet on top of and against a document table of a copier is connected to the housing structure of the copier and can be opened and closed with respect to the document table with hinge mechanisms. Each hinge mechanism has a plate adjustably attached to the side surface of the copier housing structure and supports a spring for applying a biasing force on the other hinge plate attached to the document holder. The spring applies its force through a cover piece having a cam surface such that the document holder can be kept open at any angular position and no biasing force acts on it when it is closed.

REFERENCES:
patent: 4172660 (1979-10-01), Yanofsky et al.
patent: 4365893 (1982-12-01), Kimura et al.
patent: 4530598 (1985-07-01), Kajita et al.
patent: 4551014 (1985-11-01), Nakatomi et al.
patent: 4585329 (1986-04-01), Landa
patent: 4588290 (1986-05-01), Ohtsuka
patent: 4739376 (1988-04-01), Kanekol
patent: 4764788 (1988-08-01), Watashi et al.

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