Patent application No.

Two hundred billion four hundred and ten million seventy-three thousand seven hundred and ninety-four

date of applying for a patent

2004.09.10

Name

Shoelace tightening device

Public (announcement) No.

CN1720833

Open (announcement) day

2006.01.18

Certification day

Priority right

Application (patent right)

Min De Ji

address

California, USA

Invention (designer)

Min De Ji

International application

international publication

patent agency

Beijing Kang Xin Intellectual Property Agency Co., Ltd.

Agent

Zhang She

abstract

The invention discloses a shoelace tightening device, which enables the wearer to conveniently tie the lacing shoes, including the shoelace of sports shoes.

The shoelace tightening device includes tightening the shoelace, a pair of locking devices and shoelaces.

The two ends of the shoelace are continuously upwardly crossed through the first and second row ring holes, and the ring holes are arranged in parallel with the hole belts defined on the left upper and the right upper surfaces of the shoes.

The locking device is fixed on the opposite sides of the hole belt.

The two ends of the shoelace are respectively inserted through the locking device.

The shoelace is tightened on the shoelace, the ends of which are alternately crossed to tighten the part between the shoelace in the first row of annular holes and the parts between the second rows of ring holes, so as to cross each other.

According to the shoelace tightening device of the invention, the wearer can easily tighten shoes by tightening the shoelace only, so that shoes can be fitted with his / her feet, and the shoe can be conveniently removed by pressing the release button of the locking device to relax and tighten the shoelace.

principal claim

The two ends of the shoelace are continuously upwardly crossed through the first and second row ring holes, and the first and second row ring holes are arranged parallel to the hole belt which is fixed on the left upper and the right upper surface of the shoe; a pair of locking devices are fixed on the opposite sides of the hole belt; the ends of the tightening shoelaces are respectively inserted through the locking device; and the shoelaces are arranged on the tightening shoelace; the ends of the shoelaces alternate through the parts between the first shoestring holes and the partial positions between the second shoestring holes, so as to mutually cross each other. 1. a shoelace tightening device, including: tightening shoes