FIXING DEVICE FOR ENGINEERING BLOCKS SUCH AS LOWPOWER DISTRIBUTION BOARDS BUILT IN HOLLOW WALL EMBRASURE Russian patent published in 2003 - IPC

FIELD: electrical engineering; concealed wiring fixing devices. SUBSTANCE: fixing device for blocks built in hollow-wall embrasures 2 has hollow-wall grips 5 provided with guiding and fixing member 8; these grips are installed and tightly fixed in position in vicinity of side walls 11 with aid of bolt 10 relative to opposite side 26 of hollow wall 3; hollow-wall grip 5 provided with two relatively parallel guide slots arranged perpendicular to front end of hollow-wall grip 5 for turning is in mesh with shaped notch 28.1 and is free to move from shaped slot 28.1 to distribution board guide 28 in parallel with axis of bolt 10. Proposed device enables manual control and installation of mentioned blocks as well as their mounting and dismounting. EFFECT: enhanced reliability of fixing device. 7 cl, 8 dwg