Impact and striking device for pneumatical tool, has base whose edge pushes edge of impact unit by rod, if frame is selectively turned in two directions, and stud pushed by end of each grooves, if frame is turned in one of directions

摘要

The device has a bar arranged between edges of a base and edges of an impact unit (20), so that the one edge of the base pushes one edge of the impact unit by the bar, if a frame (10) is selectively turned in two directions. A stud (30), arranged in grooves and a feed through, is pushed by an end of one of the grooves, if the frame (10) is turned in one of the directions.