| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a grease supply device for a telescopic boom capable of solving a problem of "grease nipple outer side boom upper plate arrangement system", dispensing with a long grease pipe required in "grease nipple inner side boom tip arrangement system", and simplifying the whole device. <P>SOLUTION: This grease supply device is provided with a mouthpiece 45 for grease arranged in a terminal part of an inner side boom side plate 42c and in substantially central part in the direction of height of the side plate 42c, a pipe 53 for grease having a discharge port 57 in close proximity to a slide plate 44 to connect with the mouthpiece 45 for grease, and a hole 46 for supplying grease in a side plate 41c of an outer side boom at a position to which the mouthpiece 45 for grease corresponds. Grease is poured into the mouthpiece 45 for grease through the hole 46 for supplying grease from the outside of an outer side boom side plate 41c to supply grease to the slide plate 44. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
