Image forming apparatus with roll-type recording material

Details Image forming apparatus with roll-type recording material Image forming apparatus with roll-type recording material

1988-08-31

1990-08-07

Gellner, Michael L.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

200 6116, G03B 2758

Patent

active

049474723

ABSTRACT:
An image forming apparatus for forming images on a roll of recording material, comprising a case accommodating the roll of recording material which is drawn out therefrom. A movable member is disposed within the case and is movable in accordance with the decrease of the radius of the roll. A detectable member attached to the movable member and a detecting member provided outside of the case are for detecting that the detectable member has been brought to a predetermined position by the movement of the movable member when the radius of the roll has reached a predetermined value. The movable member has a length permitting the forward end of the member to move away from the outermost surface of the roll when the radius of the roll has reached the predetermined value.

REFERENCES:
patent: 3519213 (1970-07-01), Hofmann et al.
patent: 4422402 (1983-12-01), Ogihara

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