WITHDRAWABLE FRAME FOR ELECTRICAL WITHDRAWABLE SWITCHGEAR AND UNIT OF WITHDRAWABLE FRAME AND ELECTRICAL WITHDRAWABLE SWITCHGEAR Russian patent published in 2017 - IPC H01H9/22 H02B11/133 H02B11/18 

Abstract RU 2619763 C2

FIELD: electricity.

SUBSTANCE: withdrawable frame for the electrical withdrawable switchgear, in particular for the withdrawable power switch, has a transition socket for electrical connection of the withdrawable switchgear with power supply, a spindle for its lowering and raising against the withdrawable frame, a crank (1) for driving the spindle, the first side wall (2) for lateral retention of the switchgear in the withdrawable frame. The first side wall (2) on its front side (3) has an opening (4) for the crank passage (1) through the first side wall (2) to the spindle. The first locking device (20) is intended to release or, at least, to close partially the opening (4) for the crank and is adapted to be actuated manually or by the switchgear.

EFFECT: simplification of withdrawable frame blocking.

16 cl, 9 dwg

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Authors

Dostal Ladislav

Lukas Erabek

Dates

2017-05-18Published

2013-02-07Filed