초록 ▼

An apparatus for pivoting a boom arm in a horizontal plane and for locking the boom arm in a fixed position on one side or another of a moving vehicle. The apparatus comprises a rocker arm with a locking mechanism at each end to engage and lock the boom arm in position in its fully rotated position

An apparatus for pivoting a boom arm in a horizontal plane and for locking the boom arm in a fixed position on one side or another of a moving vehicle. The apparatus comprises a rocker arm with a locking mechanism at each end to engage and lock the boom arm in position in its fully rotated position at either side of the vehicle. The rocker arm is operatively connected to a hydraulic cylinder to pivot the rocker arm in a vertical plane to disengage the locking mechanism from the boom arm. A hydraulic motor has a rotating shaft connected to the boom arm to effect rotation of the boom arm from one side of the vehicle to the other.

대표청구항 ▼

A pivoting boom arm adapted for attachment to an end of a moving vehicle, means for pivoting the boom arm from one side of the vehicle to the other side of the vehicle and means for locking the boom arm at either side of the vehicle at the end of its pivot, said locking means comprising a rocker arm

A pivoting boom arm adapted for attachment to an end of a moving vehicle, means for pivoting the boom arm from one side of the vehicle to the other side of the vehicle and means for locking the boom arm at either side of the vehicle at the end of its pivot, said locking means comprising a rocker arm having a locking mechanism on each end thereof for releasing and locking said boom arm, said rocker arm having power means connected thereto for rotating said rocker arm into locking position.