Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
E05F13/00—Mechanisms operated by the movement or weight of a person or vehicle
E05F13/04—Mechanisms operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user