| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a common operation rod that has less possibility of dropping an operating tool and that is capable of facilitating further tightening of a lock nut during operation and removal of the operation rod after operation. <P>SOLUTION: A common operation rod includes: a power supply mechanism (composed of a first gear 31 and a second gear 32) that rotatably supports a power transmission shaft 20 extending in an axial direction in the inside of a rod-like body 2, and that supplies power for rotating the power transmission shaft to a grip portion 6 provided at a base end of the rod-like body; and a power output mechanism (composed of a third gear 33, a fourth gear 34, a worm gear 35, and a rack portion 17 formed on an inner peripheral surface of a lock nut) that is provided in the inside of the rod-like body at a portion close to a portion where the lock nut 15 is provided, and that reciprocates the lock nut in the axial direction of the rod-like body in accordance with the rotation of the power transmission shaft. <P>COPYRIGHT: (C)2013,JPO&INPIT |
