US Patent 7419078 Nailing device

A nailer device having a carriage assembly, a pair of pivotal drive wheels, a nailer assembly and at least one end wheel. The pair of pivotal drive wheels are on the carriage assembly. The at least one end wheel is disposed adjacent an end of the carriage assembly. A drive motor can be associated with at least one of the pair of pivotal drive wheels when the nailer device is operating in an automatic mode. A handle disposed either intermediate of the pivotal drive wheels can be used to move or manually operate the nailer device and move the nailer device to an adjacent row of floorboards to be secured. A pair of adjustable wheels is also provided to adjust the height of the device.