Patent ID: 6942180
Filing Date: 2005-09-13
Classification: B64F

Abstract:
1. In a tug device for ground moving small aircraft having at least one front wheel, said device including a frame, a handle for connecting a drive wheel driven by a drill having a variable output and connected to the drive wheel by a drive shaft and gear box, said frame having an engaging member for attachment to said aircraft, the improvement comprising: a pair of ground engaging drive wheels mounted on an axle attached to said frame and positioned on both sides of said gear box, said gear box having connecting box for selectively aligning the handle for a first position and a second position with respect to the ground to permit engagement with two different elevations on said aircraft; dolly wheels removably attached to said device, said dolly wheels being positioned to permit movement of said device without said drive wheels contacting said ground, said dolly wheels being further positioned to be raised above said ground when said device is engaged with said aircraft in said two different elevations; alignment marks on said connecting box for insuring said handle is aligned in said first and second positions to drive said drive wheels in a straight line direction; and a vertical pivot shaft supporting said connecting box on said frame to permit said handle to pivot said wheels about said pivot shaft and steer said device.