The ornamental design for a windingwheel, as shown and described.
FIG. 1 is a front perspective view of a winding wheel;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a rear perspective view thereof; and,
FIG. 9 is a perspective view of the design of FIG. 1 showing that the winding wheel is mounted on a curtain controller. The broken lines in the drawing represent environmental structure that forms no part of the claimed design.
The design discloses a pull cord winding wheel of a curtain. The winding wheel includes a dodecagonal barrel composed of six plane faces and six raised arched faces. One of the plane faces is formed with an oblique hole. High walls are disposed on two sides of the barrel. One of the high walls is formed with symmetrical dodecagonal sockets. Several reinforcement ribs are disposed in the sockets. A threaded rod additionally extends from a wall face.