Hyster - Yale Group, Inc.

Nacco Materials Handling Group, Inc.

Michael Hoock

Joystick

Fork lift truck, comprising a steering means, the steering meanscomprising a steering columnwhich is adjustable by extending and retracting along an adjustment axis, a steering wheelthat is arranged on the steering column, a locking meansfor locking the steering columnat a position along the adjustment axis of the steering columnand for releasing the steering columnfor adjustment, a release buttonthat is connected to the locking meansand is adapted to control the locking means, wherein upon pushing of the release button, the release buttonreleases the locking meansthereby enabling the adjustment of the steering column, and wherein, simultaneously by one hand, said release buttoncan be actuated and the steering columnadjustment can be performed.

Fork lift truck with steering means

Reach truckwith a control systemfor controlling the lowering movement of a fork, the control systemcomprising a height sensor, for determining the lifting height h of the forkof the reach truck, a proportional electrical hydraulic valveconnected to a lifting cylinderof the reach truck, for controlling an oil flow of the lifting cylinder, and a control unit, connected to the height sensorfor receiving the actual lifting height h signal and controlling the proportional electrical hydraulic valve, wherein the control unitautomatically decreases the maximum lowering speed v of the fork, by controlling the proportional electrical hydraulic valve, according a predetermined maximum speed v curve depending on the lifting height h of the fork, and in some embodiments only on the lifting height h of the fork, such that the forkis softly stopped at the ground.

Growing community of inventors

Lonato, Italy

Michael Hoock