Control unit and electrical switch construction therefor and met

Details Control unit and electrical switch construction therefor and met Control unit and electrical switch construction therefor and met

1977-02-07

1981-01-13

Tudor, Harold J.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200 67D, 200153V, 200286, 337323, H01H 320

Patent

active

042451426

ABSTRACT:
A control unit having a condition selector, an electrical switch having an actuator unit provided with an adjustable movement differential, a condition responsive device for actuating the switch when the condition responsive device senses certain conditions selected by the selector, and a lever arrangement carried by the unit and being operatively associated with the actuator unit of the switch and the device whereby the device can actuate the switch by the lever arrangement, the lever arrangement having a first adjustable lever operatively interconnected to the selector and acting as a main range lever. The first lever is operatively interconnected to the condition responsive device and to the actuator unit of the switch. The lever arrangement has a second adjustable lever operatively interconnected to the selector and to the actuator unit of the switch for adjusting the movement differential of the actuator unit of the switch.

REFERENCES:
patent: 2556519 (1951-06-01), Bowar
patent: 2821588 (1958-01-01), Fisher
patent: 3153715 (1964-10-01), Wersgerber
patent: 3182150 (1965-05-01), Smith
patent: 3233055 (1966-02-01), Russell
patent: 3911238 (1975-10-01), Otto et al.
patent: 3952611 (1976-04-01), Cumming

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