JP2007069321A5 - - Google Patents

Claims (5)

In a pneumatic tool comprising two air passages connected at a predetermined angle,
A pneumatic tool characterized by having the same projected cross-sectional shape at the connecting portion of the two air passages.   2. The pneumatic tool according to claim 1, wherein one air passage is a long hole and the other air passage is a circular hole.   3. The pneumatic tool according to claim 1, wherein the shorter air passage is a long hole and the longer air passage is a circular hole.   The pneumatic tool according to claim 2 or 3, wherein the long hole is formed by a mold.   A body, a pressure accumulation chamber provided in the body, a cylinder,
  A piston that is slidable up and down in the cylinder;
  A head valve that opens and closes between the cylinder and the pressure accumulation chamber;
  A valve upper chamber defined above the head valve;
  Two air passages connected at a predetermined angle to selectively communicate the valve upper chamber and the atmosphere or pressure accumulating chamber, and exhausting the compressed air in the valve upper chamber from the two air passages, In the nailing machine in which the head valve communicates the cylinder and the pressure accumulating chamber and drives the piston,
  An air tool characterized in that one of the two air passages has a long hole and the other air passage has a circular hole.