Switchboard drawout apparatus incorporating joint clamping mecha

Details Switchboard drawout apparatus incorporating joint clamping mecha Switchboard drawout apparatus incorporating joint clamping mecha

1976-06-21

1977-12-13

Tolin, Gerald P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

200 50AA, H02B 104

Patent

active

040633055

ABSTRACT:
Drawout apparatus includes a carriage mounting a circuit breaker and supported on telescoping rails to facilitate racking movement of the circuit breaker between extreme positions of electrical engagement and disengagement with respect to switchboard primary terminals. Racking movement into the engaged position is mechanically assisted by a racking screw. While in the engaged position, a separate clamping screw of a joint clamping mechanism is operated to exert equal and oppositely directed forces on interleaved contact fingers of plural associated breaker-switchboard terminal connectors.

REFERENCES:
patent: 3804998 (1974-04-01), Rexroad
patent: 4004113 (1977-01-01), Ericson
patent: 4012610 (1977-03-01), Ericson

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