US Patent 10001779 Automatic guided vehicle

An automatic guided vehicle comprises a vehicle body, a swerving portion, a controlling portion and a driving portion. The vehicle body comprises two front wheels, a front wheel shaft connecting between the two front wheels, two back wheels and a back wheel shaft connecting between the two back wheels. The swerving portion comprises a front swerving shaft, a front gear, a back swerving shaft, a first back gear, a swerving driver and a conveying belt. The controlling portion drives the swerving driver to rotate. The driving portion is installed to the back wheel shaft and driving the back wheel shaft to rotate.