| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a fastening machine capable of reducing reaction force generated during fastening work of bolts and nuts.SOLUTION: A rotary fastening machine 100 is a hand tool type bolt fastening machine and mainly includes: a casing 1; a rotary driving source 10 composed of a motor and the likes; a gear box 20 which converts the rotation number and the magnitude of torque of the rotary driving source 10; a rotation output shaft 30 which transmits rotations obtained from the gear box 20 to a tip; a torque transducer 40 which measures the magnitude of the torque of the rotation output shaft 30; a rotation output shaft tip part 31 which transmits the rotations to a driver, a ratchet, or a socket etc.; two connection members, i.e. a first connection member 51 and a second connection member 52, which are connected with the casing 1; and a holding member 60 attached to the two connection members 50.</p> |
