Patent ID: 7097406

Claim:
An apparatus for maneuvering a vehicle having a wheel assembly, the apparatus comprising: an adjustable frame assembly adapted to be fitted to the wheel assembly, the frame assembly having first and second frame members telescopically connected to each other, the second frame member having a plurality of longitudinally spaced holes, a lever connected to the first frame member, the lever having a lower end pivotally connected to a plate member, the plate member having at least one finger extending into one of the holes in the second frame member and engaging the second frame member upon operation of the lever to move the second frame member toward the first frame member, the first and second frame members each having an arm, each arm having a plurality of rollers moveable into engagement with the wheel assembly when the first and second frame members are contracted, a locking member having an upright pin extending through aligned holes in the first and second frame members operable to lock the position of the frame assembly, the pin engaging a flange between the longitudinally spaced holes in the second frame member whereby the pin is moved in an upward direction when the second frame member is moved toward the first frame member, the pin moveable in a downward direction through a following hole in the second frame member to relock the position of the first and second frame members upon completion of the contraction movement when the following hole is moved into alignment with the pin.