Invention Grant
- Patent Title: Quick lacing system
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Application No.: US17804884Application Date: 2022-06-01
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Publication No.: US11647813B1Publication Date: 2023-05-16
- Inventor: Chunming Rao
- Applicant: Chunming Rao
- Applicant Address: CN Dong Guan
- Assignee: Chunming Rao
- Current Assignee: Chunming Rao
- Current Assignee Address: CN Dong Guan
- Main IPC: A43C11/16
- IPC: A43C11/16

Abstract:
A quick lacing machine is disclosed, including a base, a screw cap, a pulley, a rotating wheel, a rotary driving member, an elastic member, and a pressing member. The base is provided with a rotating cavity, a lace hole and a ratchet; the pulley is rotatably arranged in the rotating cavity, and the pulley is provided with a plurality of a first spiral teeth; the rotating wheel is provided with a pawl, the pawl is engaged with the ratchet, and the rotating wheel is provided with a sliding hole, the rotary driving member is slidably arranged in the sliding hole. The present disclosure can loosen a shoelace by pressing the pressing member, and tighten the shoelace by rotating the screw cap, which is simple and convenient to operate, saves time and effort, and thereby improving efficiency of a user taking off and putting on shoes.
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