Patent ID: 7137324

Claim:
A hand-held power screwdriver, comprising a support sleeve ( 3 ); a tool spindle ( 4 ) axially displaceable in the support sleeve ( 3 ); a spindle spring ( 2 ) for axially resiliently preloading the tool spindle ( 4 ); a low-noise torque clutch ( 5 ) for transmitting torque to the tool spindle ( 4 ) and formed of combined claw clutch ( 6 ) and ratchet clutch ( 7 ), the ratchet clutch ( 7 ) having a ratchet clutch spring ( 8 ) for axially resiliently preloading the ratchet clutch ( 7 ), a rotatably driven first ratchet member ( 7 a ) and a second ratchet member ( 7 b ), the first and second ratchet members ( 7 a , 7 b ) having, respectively, oppositely oriented, circumferentially arranged, oblique cams ( 9 ), the claw clutch ( 6 ) having a claw spring ( 10 ) for axially resiliently preloading the claw clutch ( 6 ), a first claw member ( 6 a ) and a second claw member ( 6 b ), the first and second claw members ( 6 a , 6 b ) having oppositely oriented straight claws ( 11 ), respectively, the first claw member ( 6 a ) of the claw clutch ( 6 ) being fixedly connected with the second ratchet member ( 7 b ) of the ratchet clutch ( 7 ) for joint rotation therewith; at least one engagement member ( 12 ) for connecting the second claw member ( 6 b ) with the tool spindle ( 4 ) for joint rotation therewith and for disconnecting the claw member ( 6 b ) from the tool spindle ( 4 ); and retaining means for connecting the second claw member ( 6 b ) of the claw clutch ( 6 ) with the tool spindle ( 4 ) in a free-running position.