Patent ID: 7431136

Claim:
A hand power tool, comprising a clutch; a motor; a drive shaft located at a side of said motor; a driven shaft to be located at a side of a workpiece, wherein said clutch couples said drive shaft and said driven shaft and enters into engagement when pressure is exerted on said driven shaft, said clutch being provided with a clutch engagement aid, wherein said clutch engagement aid assists and/or accelerates the engaging process of said clutch, wherein said clutch has a first clutch half connected to the drive shaft and a second clutch half connected to the driven shaft, said clutch engagement aid being formed so that at least one of said clutch halves is supported displaceably in an axial direction in a bearing, wherein at least one of said clutch halves is mounted in said bearing, and at least one of said clutch halves meshes with a ramp contour extending in a circumferential direction of a part selected from the group consisting of a counterpart element and a gear element of a shaft selected from the group consisting of said drive shaft and said driven shaft, wherein said clutch halves are configured to move towards one another in said axial direction by means of said clutch engagement aid during a coupling process of said clutch, and wherein said first clutch half is displaced during said coupling process in said axial direction with respect to said gear element supported on said driven shaft, wherein said gear element is formed as a gear wheel.