Patent ID: 9708166
Date: 2017-07-18
CPC Classifications: B60P,B66F,F03D,F05B

Claim:
1. A self-propelled trolley for handling a wind-turbine blade of a wind-turbine, the trolley comprises: a driving device for propelling the trolley between locations; a lifting device, the lifting device configured to raise and lower the wind-turbine blade, wherein a maximum height of the trolley is less than or equal to the height of a wheel of the trolley when the lifting device is in a non-lifted position; and a holding device, wherein the holding device is arranged for holding the wind-turbine blade at a point along its length, wherein the holding device and lifting device are connected by a universal joint to allow the blade free movement, between the lifting device and the holding device, during transport of the wind-turbine blade.