Patent ID: 7040413

Claim:
A hand power tool in the form of a striking mechanism, comprising: a pneumatic striking mechanism that has a hammer barrel ( 3 ), wherein said hammer barrel has at least one control opening ( 23 ), wherein air can escape from the hammer barrel ( 3 ) through the at least one control opening ( 23 ) and wherein said at least one control opening ( 23 ) is closed, in a striking position by a covering ( 25 ) preventing the escape of air, wherein the covering ( 25 ) comprises an elastomer, and wherein the hammer barrel ( 3 ) has a longitudinal axis, and wherein the hammer barrel is supported to be displaceable in the direction of the longitudinal axis in the power tool housing ( 1 ), and wherein the covering ( 25 ) is disposed to be nondisplaceable in an axial direction in the power tool housing ( 1 ), such that the hammer barrel ( 3 ) upon an axial displacement into the striking position moves with the at least one control opening ( 23 ) to beneath the covering ( 25 ).