PNEUMATIC ELEVATOR Russian patent published in 2015 - IPC B66B9/04 B25D9/00 

FIELD: machine building.

SUBSTANCE: pneumatic elevator contains installed vertically tubular casing, in it the lifting gear, i.e. elastic membrane in form of a hose is installed, one hose end is secured along perimeter of the tubular casing edge, and another end is secured on the lock interacting via the stock with lifting element in form of the striker with ring break-away chamber, system of work agent supply and removal to the tubular casing, and disc with lock with magnet. The hose is made with diameter exceeding the diameter of the tubular casing, and is installed with possibility of location outside and inside the casing. The striker interacts with the lock disc rigidly secured in the bottom part of the stock and having channels by which the ring brake-away chamber of the striker is connected with the work chamber located between the hose and lock disc. The system of work agent supply and removal is made as distributor connected with the work agent source, specified work chamber and removing channel with atmosphere. The chamber under the striker is permanently linked with atmosphere. The lock is made with possibility of free movement in it of the stock, at which top end the support element is installed.

EFFECT: increased energy parameters of the machine, increased reaction and operation reliability.

5 cl, 2 dwg