| 摘要 |
A work vehicle may include a chassis, linkage, and locking pin. The linkage may include an upper link pivotally connected to the chassis, lower link pivotally connected to the chassis, and boom. The boom may include an upper arm pivotally connected to the upper link, lower arm pivotally connected to the lower link, front arm pivotally connected to a work tool assembly, and locking tab affixed to one of the front arm and the lower arm and protruding from one of the front arm and the lower arm in a direction away from the work tool assembly. The locking pin may be connected to the chassis and extend laterally relative to the chassis from a retracted position outside a travel path of the locking tab to an extended position intersecting the travel path of the locking tab. |
| 主权项 |
1. A work vehicle comprising:
a chassis; a linkage comprising:
an upper link pivotally connected to the chassis;a lower link pivotally connected to the chassis; anda boom comprising an upper arm, a lower arm, a front arm, and a locking tab, the upper arm pivotally connected to the upper link, the lower arm pivotally connected to the lower link, the front arm pivotally connected to a work tool assembly, the locking tab affixed to one of the front arm and the lower arm, the locking tab protruding from one of the front arm and the lower arm in a direction away from the work tool assembly; and a locking pin connected to the chassis, the locking pin laterally extendable relative to the chassis from a retracted position to an extended position, the locking pin positioned to be outside a travel path of the locking tab when the locking pin is in the retracted position, the locking pin positioned to intersect the travel path of the locking tab when the locking pin is in the extended position. |
