PNEUMATIC DEVICE OF IMPACT ACTION Russian patent published in 2005 - IPC

FIELD: pneumatic devices of impact action for laying the communication lines.

SUBSTANCE: the invention is pertinent to production of the impact action pneumatic devices intended for laying the communication lines. The impact action pneumatic device contains: a hollow body (1) with a located inside it striker (2) with a central through channel (3) dividing the cavity of the body into a working stroke chamber (4) and an idle stroke chamber (5); a pipe 6 with a longitudinal bypass channel with the gate-type steps interacting with a central through channel supplied with a permanently open inlet throttle channel leading into the chamber of the idle stroke; a spinneret with a permanently open inlet channel; a working tool with a shank passing into the idle stroke chamber; the outlet channels of the body. In the working stroke chamber on the side of the spinneret there is a cover 10 with a central hole, forming a network air supply prechamber between the spinneret and the cover. The pipe is installed in the central hole of the cover with an annular clearance. The invention improves reliability.

EFFECT: the invention improves reliability.

3 cl, 3 dwg