| 摘要 |
PROBLEM TO BE SOLVED: To obtain a front loader provided with a parallel link mechanism capable of changing the link ratio of the parallel link mechanism. SOLUTION: In the front loader provided with a parallel link mechanism constituted of a hydraulic cylinder installed between a mounting hitch for a working machine and a lift arm and a connection support attached between a support body pivoted in the middle of the lift arm and the mounting hitch for a working machine, a parallel link mechanism constituted of a hydraulic cylinder installed between the connection body attached to the tip of the lift arm and the support body, and a parallel link mechanism constituted of a connection rod laid between the connection body and an attachment hitch and a lift arm, some link ratios in these parallel link mechanisms are made changeable.
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