Switch board

Details Switch board Switch board

1983-04-20

1985-03-12

Pellinen, A. D.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361428, H02B 104

Patent

active

045048851

ABSTRACT:
A switch board with a casing thereof supported on right and left vertical supports includes a conduction chamber and an upper and lower electricity chambers with a partition wall therebetween. A drawer-type electric device is adapted to operate into and out of the electricity chambers, so that a secondary movable plug of the drawer-type electric device is connected and disconnected to a secondary control stationary plug in each of the electricity chambers. Control lines are connected between the secondary control stationary plug and the control terminal in the upper electricity chamber. Wiring ducts for containing the control lines include control ducts arranged along the ceiling of the casing from the control terminal, vertical ducts communicating with the right and left sides of the control duct, and horizontal ducts for connecting an end of the vertical ducts to the secondary control stationary plug of the upper electricity chamber and the other end thereof to the secondary control stationary plug of the lower electricity chamber.

REFERENCES:
patent: 2563441 (1951-08-01), Wood et al.
patent: 3495135 (1970-02-01), Paape
patent: 3628098 (1971-12-01), Sturdivan
patent: 4146915 (1979-03-01), Yosida

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