Dual switch operator using modified Geneva movement

Details Dual switch operator using modified Geneva movement Dual switch operator using modified Geneva movement

1977-07-14

1978-07-25

Price, William

Electricity: circuit makers and breakers

Liquid contact

Time delay

74820, 200153PA, B65D 344

Patent

active

041031334

ABSTRACT:
A dual switch actuator mechanism for coordinated actuation of two high-current switches, each of which includes a switch operator mechanism for opening and closing the switch in response to rotation of a switch operator shaft. The switches are mounted adjacent to each other with their switch operator shafts in aligned paraxial spaced relation. The dual switch actuator mechanism includes a rotatable main shaft positioned between and in aligned paraxial relation to the switch operator shafts. A Geneva drive plate having an arcuate bearing surface is affixed to the main shaft; two drive pins are mounted on the drive plate. Two modified Geneva follower plates are provided, each affixed to one of the switch operator shafts. Each follower plate has a drive slot for receiving one of the drive pins and an arcuate bearing surface which is complementary to the drive plate bearing surface. For a given neutral position of the main shaft, each drive pin is positioned in the entrance of a follower plate drive slot and the bearing surfaces of both follower plates engage the drive plate bearing surface. Rotation of the main shaft through a predetermined angle in either direction from the neutral position causes one guide pin to move inwardly of the drive slot of one follower plate, rotating the follower plate and its associated switch operator shaft to actuate one switch without actuation of the other.

REFERENCES:
patent: 2253183 (1941-08-01), Count
patent: 2791648 (1957-05-01), Maloney
patent: 3204176 (1965-08-01), Wilson, Jr.
patent: 3764891 (1973-10-01), Lingenfelter et al.
patent: 3794798 (1974-02-01), Trayer

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