COAL BRUSH WITH TRIPPING DEVICE Russian patent published in 2016 - IPC H01R39/58 

FIELD: instrument making.

SUBSTANCE: invention relates to coal brush with disconnecting device. Coal brush (10) with disconnecting device (20) has cavity (12) of its brush element (11) made from insulating material to cut off element (21) with previously compressed, elastic loading its pressure flexible element (24). Pressing flexible element (24) and/or a breaking element (21) are/is made from polymer material and has on one end made integral with it cylindrical extension which in form of pressed part is pressed into cavity of brush element and is tightly retained therein by way of press fit.

EFFECT: technical result is low cost of manufacturing.

9 cl, 7 dwg