Control device

Details Control device Control device

1975-06-24

1977-07-12

Smith, Jr., David

Electrical transmission or interconnection systems

Switching systems

Switch actuation

361 23, 340267R, H01H 700

Patent

active

040356604

ABSTRACT:
A control device interconnectible with the starter circuit of electrical machinery or the like, said control device in one form including a momentary contact push button "start" switch. When the operation of the control device is initiated current will initially be permitted to flow through an alarm circuit and current flow through said starter circuit will initially be prohibited. At the completion of a preset time period the control device will subsequently prohibit current flow through said alarm circuit and permit current flow through said starter circuit. The alarm device, which may be audible or visual, may be either incorporated within the control device or may be interconnected thereto by suitable terminals on the control device. Similarly, the normally open momentary contact "start" button may be integrated within the control device or may be interconnected thereto by suitable terminals.

REFERENCES:
patent: 2241589 (1941-05-01), Feldhausen
patent: 2727227 (1955-12-01), Mead

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