US Patent 7584528 Shoelace reel operated easily and conveniently

A shoelace reel includes a support seat, a spool rotatably mounted in the support seat, a shoelace having two distal ends each secured to the winding zone of the spool, a limit sleeve mounted on the support seat, a drive member rotatably and movably mounted in the limit sleeve, and a control knob rotatably and movably mounted on the limit sleeve and connected to the drive member. Thus, the user only needs to rotate the control knob to tighten the shoelace and to pull out the control knob to loosen the shoelace. In addition, the user only needs to operate the control knob to tighten or loosen the shoelace, so that the user can tighten or loosen the shoelace by his one hand only.