Patent ID: 6478095
Filing Date: 2002-11-12
Classification: B25D

Abstract:
A hand-held power tool with at least three switchable modes of operation, comprising a housing (5); a tool spindle (3) located in the housing and provided with a first bevel pinion (9) supported thereon; a clutch pusher (4) at least partially located in the housing and fixedly connected with a second bevel gear (10) for joint rotation therewith, the second bevel gear (10) engaging the first bevel gear (9); and at least one engagement cam (6) for connecting the clutch pusher (4) with driving gears (11) for joint rotation therewith with a possibility of axial displacement relative thereto in first and second modes of operation, which is obtained by displacement of the clutch pusher (4), wherein, in a third mode of operation, the spindle (3) is stopped without a possibility of rotation relative to the housing, and the engagement cam (6) engages in a recess (7) provided in the housing,wherein the tool has a fourth mode of operation, in which the spindle (3) is freely rotatable, and the engagement cam (7) rotates in a free space (8), and wherein a switch positions, which corresponds to the fourth mode of operation is located between switch positions corresponding to the second and third modes of operation.