Electrostatic copying apparatus

Details Electrostatic copying apparatus Electrostatic copying apparatus

1986-06-20

1987-12-22

Prescott, A. C.

Photocopying

Including fiber optics

355 3R, 355 14FU, 219216, G03G 1500

Patent

active

047143380

ABSTRACT:
An electrostatic copying apparatus includes a lower supporting frame, an upper supporting frame mounted on the lower supporting frame for pivotal movement between an open position and a closed position, a document placing assembly having a transparent plate for placing a document to be copied thereon, an optical unit and a driving source. Either the document placing assembly or at least a part of the optical unit is mounted reciprocally on the upper supporting frame and drivingly coupled to the driving source via a power transmission mechanism. The apparatus further includes an automatic locking device for automatically locking the document placing assembly or at least a part of the optical unit and cancelling the locking according to an operation of moving the upper supporting frame to an open or closed position or an operation incident to this moving operation.

REFERENCES:
patent: 3926519 (1975-12-01), Rebres
patent: 4006985 (1977-02-01), Hutner
patent: 4352551 (1982-10-01), Inao
patent: 4373801 (1983-02-01), Itoh
patent: 4435677 (1984-03-01), Thomas
patent: 4627714 (1986-12-01), Nozaki

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