POWERED SUPPORT FOR STEEP BEDS Russian patent published in 2013 - IPC E21D23/00 

FIELD: mining.

SUBSTANCE: powered support comprises a support base, including bottomhole and goaf beams with fences and stands of the thrust connected to each other by means of tails from special profile, and linear sections, every of which has a beam, a shoe, a hardware compartment, and also elements of thrust, haulage and correction, at the same time the hardware compartment comprises two capsules with a hatch and an access man way, a process hatch and windows for supply of a laser or an ultrasonic device to the bottomhole, between themselves the capsules are fixed by locking devices and have manholes for communication.

EFFECT: development of a stable operable support for extraction of heavy steep beds under conditions; rapid manifestation of rock pressure.

5 cl, 3 dwg