Winding device and ornithopter utilizing same

A winding device comprising:

• a flame having a generally oval or round shape;
• a central annular bore and a pair of lugs located at the periphery of the frame, movable members being attached to the lugs;
• a pin projecting from the frame for the attachment of a locking lever;
• a clutch mechanism rotatably mounted in the central bore the clutch mechanism comprising an outer rubber band winding clutch, the outer clutch including a body and a drive shaft protruding from a back face of the clutch body, the drive shaft rotating within the central bore of tie frame and connecting to the rubber band, an inner movable member drive clutch, and a gear wheel;
• a rotating band catch connected to the end of the outer clutch drive shaft for engaging in end of the rubber hand;
• wherein a plurality of followers extend from axial side walls of the outer clutch, an annular cavity is formed in the body of the outer clutch and is concentric with the outer clutch drive shaft, axial walls of the cavity have a camming surface, the camming surface has a plurality of curved portions terminating in stops, the inner clutch is sized to fit within the cavity of the outer clutch, the inner clutch comprises a body and an inner clutch shaft extending from a front surface of the inner clutch, a plurality of followers extend from an axial wall of the inner clutch shaft, the followers are sized and shaped to engage with the camming surface of the outer clutch.