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    • 9. 发明授权
    • WORK VEHICLE
    • EP2924177B1
    • 2018-05-16
    • EP15160059.0
    • 2015-03-20
    • Kubota Corporation
    • Matsumoto, AtsushiNadaoka, RyuichiSugioka, Masahiro
    • E02F3/43
    • E02F3/432E02F3/3417E02F3/431E02F3/433E02F9/2037E02F9/24
    • The front loader (B) includes a boom actuator (16) configured to pivotally drive a boom (12) along a vertical direction relative to a traveling vehicle body about a first pivot axis (11) which is oriented along a right/left direction, a bucket actuator (17) configured to pivotally drive a bucket (15) along the vertical direction relative to the boom (12) about a second pivot axis (13) which is oriented along the right/left direction, a manual controlling section (22) for controlling operations of the boom actuator and the bucket actuator based on a manual operation of an operational tool, a boom angle detector (18) for detecting a vertical pivot angle of the boom, a bucket angle detector (19) for detecting a vertical pivot angle of the bucket relative to the boom, a calculating section (23) for calculating a ground pivot angle of the bucket based on an output from the boom angle detector and an output from the bucket angle detector, a storage section (24) storing relation data representing relation between a vertical pivot angle of the boom and a limit scoop angle of the bucket, a setting section (25) for setting the limit scoop angle corresponding to a vertical pivot angle of the boom, based on the output from the boom angle detector and the relation data and a scoop angle limit controlling section (27) configured to control an operation of the bucket actuator in such a manner that the ground pivot angle of the bucket will not exceed the set limit scoop angle when arrival of the ground pivot angle of the bucket at the set limit scoop angle is detected based on an output from the setting section and an output from the calculating section.