Photocopying – Contact printing – Light boxes
Patent
1990-12-26
1992-04-14
Moses, R. L.
Photocopying
Contact printing
Light boxes
355 75, G03G 1500
Patent
active
051052245
ABSTRACT:
A document-plate-position determining device in which an actuator, for instance, projects from an upper body of a clam-shell shaped image forming apparatus with the movable document plate toward the document plate when the upper body is opened, and the information signal is uttered by movement of the document plate to the fixed position on the upper body due to interference of the actuator projected from the upper body with the protrusion formed beneath the under face of the document plate moving on the upper body.
REFERENCES:
patent: 4128334 (1978-12-01), Yanagawa et al.
patent: 4585329 (1986-04-01), Landa
Komaki Susumu
Takehara Susumu
Mita Industrial Co. Ltd.
Moses R. L.
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