Patent ID: 7823653

Claim:
A hand-held power tool for driving a working tool ( 1 ), comprising a drive belt ( 3 ); two arms ( 5 a , 5 b ) longitudinally displaceable relative to each other and carrying respective deflection rollers ( 6 ) on the drive belt ( 3 ); a belt tensioning device ( 4 ) located between the two arms ( 5 a , 5 b ) and including a spring ( 8 ) preloaded against a first arm ( 5 a ); a displaceable pressure piston ( 9 ) located between the spring ( 8 ) and the second arm ( 5 b ); and a rotatable rotary setting device ( 10 ) arranged in the first arm ( 5 a ) and excentrically engaging the pressure piston ( 9 ).