Countdown and start mechanism for an electrostatic copier

Details Countdown and start mechanism for an electrostatic copier Countdown and start mechanism for an electrostatic copier

1978-12-26

1980-10-21

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

235 91R, 235132R, G03G 1500, G06F 1518, G06M 100

Patent

active

042290961

ABSTRACT:
A countdown and start mechanism for a cyclically operable machine wherein an escapement mechanism is adapted for the countdown control. An escape wheel is provided to concentrically carry a cycle counter knob for indicating the number of cycles to be performed. An anchor is actuated once during each cycle of the machine to incrementally step the escape wheel down toward a null position whereupon the machine is stopped. A start mechanism is provided to actuate the machine after the counter knob is set for a given number of operations or for a single cycle when no setting is made.

REFERENCES:
patent: Re29274 (1977-06-01), Collette et al.
patent: 3125291 (1964-03-01), Komatar
patent: 3634637 (1972-01-01), Suzuki et al.

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