Patent ID: 7743535

Claim:
A lifting device adapted to be attached to a over-snow track vehicle having a positioning member, a base member, and a control member that is adapted to control a plurality of hydraulic lines, one pair of the hydraulic lines being adapted to operate one or more winglets, the lifting device comprising: a) an interface member having connection portions adapted to engage the positioning member in a fixedly and removably attached manner, b) a hydraulic lift system having a hydraulic line that is in fluid communication with a hydraulic actuator, the actuator being operatively connected to a repositioning member that is adapted to reposition with respect to the interface member, c) a base mount having an attachment region that is adapted to be rigidly and removably attached to the interface member, d) whereas one of the hydraulic lines that is controlled by the control member which is adapted to control one or more winglets is in communication with the hydraulic actuator.