Air flow controlling arrangement for pneumatic tool, has valve bushing that is provided at lower side or at lower end of cylinder for retaining control rod, where valve bushing and cylinder are integrally formed to one unit

摘要

The arrangement has a movable control rod (30) for selectively changing the rotation of a rotor (16) in a cylinder (15) of a pneumatic tool (10) into a positive direction or reverse direction. A valve bushing (14) is provided at a lower side or at a lower end of the cylinder for retaining the control rod. The valve bushing and the cylinder are integrally formed to a unit, and the valve bushing is provided with an air inlet-flow path.