US Patent 8196937 Transport wheel for a helicopter

A transport wheel device for a helicopter having a runner defining an axial direction. The transport wheel includes a holding frame, a wheel axle, a slide, a wheel and a lifting device. The holding frame is detachably securable to the runner. The wheel axle is attached the holding frame by the slide. The slide is continuously adjustable axially with respect to the holding frame and securable in an axial position. A wheel is disposed on the wheel axle. The lifting device is coupled to the holding frame and the wheel axle. The lifting device is configured to vertically move the transport wheel.