Patent ID: 9138842
Filing Date: 2015-09-22
Classification: B23Q,B25B

Abstract:
1. A pneumatic impact tool comprising: a housing having two openings, a first accommodating chamber, a second accommodating chamber, a first oil inlet, and a second oil inlet, said first and second accommodating chambers being disposed between said openings, said first and second oil inlets being in fluid communication with said first and second accommodating chambers, respectively, and being adapted to permit lubricating oil to be fed into said first and second accommodating chambers therethrough; a power output unit centered at a Z-axis and disposed in said first accommodating chamber for power outputting; a transmission unit centered at an X-axis perpendicular to the Z-axis and disposed in said second accommodating chamber for transmitting a power to said power output unit; and an oil seal assembly disposed in said housing for preventing flow of the lubricating oil out of said first and second accommodating chambers.