Electric switchboard cell having a positioning drive for a movab

Details Electric switchboard cell having a positioning drive for a movab Electric switchboard cell having a positioning drive for a movab

1986-12-10

1988-06-28

Pellinen, A. D.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

200 50R, 200 50A, 200 50AA, 361339, H01H 920

Patent

active

047543671

ABSTRACT:
An electric switchboard cell includes a positioning drive with a threaded spindle for a movably arranged switchgear and a door. At the bottom of the switchboard cell, a latch lever is pivoted which has a cam with which a guiding member of the positioning drive cooperates. The latch lever is pivoted by means of the cam, when the disconnect position of the switchgear is reached, into a position in which its locking projection is disengaged from a lock bracket attached to the door. The lock bracket is attached pivotally to a pillow block mounted to the door and can be disengaged from the locking projection by authorized personnel for defeating the locking device, e.g., for servicing.

REFERENCES:
patent: 2777024 (1957-01-01), West
patent: 2888615 (1959-05-01), Tusing
patent: 3715552 (1973-02-01), Umezu et al.
patent: 4011424 (1977-03-01), Ericson et al.
patent: 4112269 (1978-09-01), Nelson et al.

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