DEVICE FOR THROWING OBJECTS Russian patent published in 1995 - IPC

FIELD: pneumatics. SUBSTANCE: device has air-tight chamber 1, drum 2 provided with a drive and disposed inside the chamber, and flexible sleeve 6. One end of the sleeve is closed tightly and connected with rope 5 which is applied to the drum. The other end of the drum is turned out and attached along the perimeter of output branch pipe 8 of chamber 1. Drum 2 is provided with rest unit.. Objects for throwing are located into hollow 9 of sleeve 6. Working agent (compressed air, combustion products) is applied to chamber 1. After desired pressure is reached, the rest unit releases drum 2. Sleeve 6 turns out under effect of pressure of working agent, and objects placed inside it are thrown outside. Rope 5 being pulled by end of the sleeve is wound away from the drum. In order to perform more throwing, pressure is paid out in chamber 1, and device is brought into initial position when applying rope 5 by drive onto drum 2. Chamber may be provided with several branch pipes and sleeves with different diameters. EFFECT: simultaneous throwing of several objects with different sizes and weights. 2 cl, 2 dwg