PNEUMATIC HAMMER Russian patent published in 2006 - IPC B25D9/04 B25D17/24 E21C37/24 

FIELD: mechanical engineering; building construction; mining art.

SUBSTANCE: pneumatic hammer has case. Striker of hammer is disposed inside the case for reciprocal motion. Casing provided with exhaust ports embraces the case for slide against it. Pneumatic hammer also has collector, handle and working tool. Handle is mounted onto case for slide. Vibration insulator is disposed between handle and case. Collector is connected with front part of handle and it embraces the casing for slide against it. Casing has rear bead and. Case is flexible connected with handle for movement of casing along case at the direction of working tool. To move casing along case in the direction of working tool, the other vibration insulator is mounted between front part of collector and rear bead of casing for rest.

EFFECT: reduced vibration of pneumatic hammer.

5 cl, 4 dwg, 1 ex