| 摘要 |
PROBLEM TO BE SOLVED: To prevent occurrence of noise due to wear of a bearing part. ! SOLUTION: In a front attachment of a hydraulic shovel, which is constituted such that a bucket 6 is attached to a tip of an arm 5 and telescopic force of a bucket cylinder 9 is transmitted to the bucket as turning force by a link mechanism 10, a pressurizing cylinder 18 which performs extension/contraction operation following the turning of the bucket 6 is provided in a state that cylinder thrust thereof acts on respective pins 13-16 around the link mechanism 10 as pressurization force in a pin diameter direction. ! COPYRIGHT: (C)2015,JPO&INPIT |
