Single and multicycle control device for electric motors

Details Single and multicycle control device for electric motors Single and multicycle control device for electric motors

1979-05-21

1981-10-06

Witkowski, Stanley J.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318672, 318466, 318470, 318549, 318557, G05B 1114

Patent

active

042938066

ABSTRACT:
A cycle control device employing a parallel switching circuit to control a single or a predetermined number of cycles of a motor driven output shaft. A latching and a cycle switch in the parallel circuit are providing an overlapping switching sequence which is initiated by a latchable pushbutton and controlled further by the motor driven output shaft to the end of the cycle. An indexing arrangement is functioning to delay the unlatching and keeping the motor circuit energized until the unlatching and motor stopping can take place in a home position after a dial readable predetermined number of ratcheting steps have been completed. The control principle is applicable to a countdown version, a memory version with an automatic return or to a unit with a shaft mechanism to one or the other mode.

REFERENCES:
patent: 2467944 (1949-04-01), Munson
patent: 3395323 (1968-07-01), Peters
patent: 3919613 (1975-11-01), Steinmann
patent: 3938016 (1976-02-01), Lange et al.

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