Automatic copier or printer paper tray lock

Details Automatic copier or printer paper tray lock Automatic copier or printer paper tray lock

1992-04-16

1992-10-20

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355200, 355202, 355308, 271157, 271162, G03G 2100

Patent

active

051574489

ABSTRACT:
A reproduction machine paper loading drawer interlock system which provides protection from jams by preventing drawer opening during sheet feeding therefrom, yet provides more frequent and/or rapid drawer access for copy paper loading, particularly desirable for loading one drawer while running the machine and feeding sheets from another drawer, by independently operating each paper drawer interlock from the existing wiring and electrical signals for the paper feeder drive for that drawer, without any wiring or unique software requirements from the machine controller, or requiring any machine "cycle out" signals therefrom, or actuation of any manually actuated unlocking switches.

REFERENCES:
patent: 4008957 (1977-02-01), Summers
patent: 5096181 (1992-03-01), Menon et al.
Xerox Disclosure Journal, Jack R. Oagley, "Load While Run Copy Handling Module" Mar./Apr. 1984, pp. 113 and 114.

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