Patent ID: 7748943

Claim:
A lifting system for a vehicle, comprising: a first track mounted within said vehicle; a second track mounted within said vehicle; a first lifting arm extendable from said first track; a second lifting arm extendable from said second track; a first windable support extendable from said first lifting arm; a second windable support extendable from said second lifting arm; a gearbox; a winch arm for supporting said gearbox, wherein the winch arm extends from the first lifting arm to the second lifting arm; a first lifting arm driveshaft having a fixed length and being operatively coupled to said first windable support and said gearbox for driving said first lifting arm driveshaft, wherein said first windable support is coupled to said first lifting arm driveshaft; and a second lifting arm driveshaft having a fixed length and being operatively coupled to said second windable support and said gearbox for driving said second lifting arm driveshaft, wherein said second windable support is coupled to said second lifting arm driveshaft, wherein said winch arm, the gearbox, the first lifting arm, the second lifting arm, the first lifting arm driveshaft, and the second lifting arm driveshaft are linearly moveable together relative to the first track and the second track, from a first position to a second position, as the first lifting arm and the second lifting arm are extended.