Stepper motor drive for a mechanical camshaft

Details Stepper motor drive for a mechanical camshaft Stepper motor drive for a mechanical camshaft

1979-04-27

1980-11-04

Cook, Daryl W.

Registers

Coded record sensors

Feed mechanisms

101233, 235481, 400105, G06K 1300, G06K 1302, G06K 1316, G06K 1320

Patent

active

042322170

ABSTRACT:
A drive system for processing passbook data includes a bi-directional stepper motor responsive to programmed input signals, cam sets rotated by the stepper motor for initiating data sensing, document positioning, and data transfer operations, and cam followers actuated by the contour of their associated rotating cam sets for moving their reacting components to perform those operations. Appropriate cam followers cause a pressure plate and sensor to move toward and sense coded data on a document, a gate to open and close to position the document for further processing, and a print platen to advance toward the document, provide a backing during data transfer, and then retract.

REFERENCES:
patent: 3803388 (1974-04-01), Williamson et al.
patent: 3951251 (1976-04-01), Zaccagnino, Jr.

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