Patent ID: 9655343
Date: 2017-05-23
CPC Classifications: A01K

Claim:
1. An unmanned feed wagon comprising a ground-supported chassis, a steering mechanism, an electric drive for driving the chassis (along a predetermined path of movement and a power supply for the electric drive, wherein the power supply comprises a power rail following the predetermined path of movement and having a sliding contact which is connected to the electric drive, and wherein the steering mechanism comprises a steering rail, which predetermines the path of movement and a sensing device for sensing the predetermined path of movement so as to steer the chassis, and wherein the sensing device includes a sensing head which follows the steering rail and wherein the sensing device comprises a steering arm which is pivotably connected to the sensing head and the chassis allowing a pivotal movement of the steering arm in a horizontal plane and a sensor unit monitoring an angle between the predetermined path of movement and the steering arm.