| 摘要 |
PROBLEM TO BE SOLVED: To provide a telescopic work machine capable of fixing a rod part simply and securely.SOLUTION: An telescopic work machine comprises: a rotary drive part; a work part; a rod part which connects the rotary drive part and the work part, transmits torque to the work part, and is extendable; and a slide holder. The rod part has an extendable tube body, the tube body comprises an outer tube and an inner tube movable in the outer tube, the slide holder comprises a large diameter part fixed to the outer tube and a small diameter part into which the inner tube is inserted, on a surface of the small diameter part, two pairs of first protrusions and second protrusions, which face to each other with a first slit therebetween, are provided by sandwiching a second slit, a bolt having a knob at an end part is inserted into the first protrusion and is engaged with the second protrusion in a screwed manner, the diameter of the small diameter part becomes smaller and the inner tube is fixed when the bolt is fastened with the knob, and the diameter of the small diameter part becomes larger and fixing of the inner tube is cancelled when the bolt is loosened with the knob.SELECTED DRAWING: Figure 2 |
