Patent ID: 9091030
Filing Date: 2015-07-28
Classification: B65D,B65G,E01C

Abstract:
1. A patching apparatus comprising: a self-propelled vehicle having an articulated patching boom assembly mounted at a front end of the vehicle; the articulated patching boom assembly being mounted to be independently movable in both a horizontal direction and a vertical direction and configured to selectively deploy patching material during a patching mode; first and second driving devices for independently moving the articulated patching boom assembly respectively in the horizontal and vertical directions; a battery pack mounted on the vehicle for powering the first and second driving devices, drive wheels configured to propel the vehicle; an electric motor operatively associated with the battery pack and configured to engage the drive wheels and propel the vehicle in the patching mode; a non-electric engine configured to engage the drive wheels and propel the vehicle in a non-patching mode; and an electric generator operatively associated with the non-electric engine and configured to selectively charge the battery pack when the non-electric engine is turned on.