Title:
SHOESTRING TIGHTENING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/014395
Kind Code:
A1
Abstract:
The present invention provides a shoestring tightening device characterized by comprising: a lower body, which has at least one semi-circular shoestring passing hole formed on the periphery thereof, and which has a protrusion hole formed on the bottom surface thereof; a cylindrical rotation guide, which has a shaft protrusion that is fitted to the protrusion hole, which has a shoestring passing groove formed on the periphery thereof so as to communicate with the shoestring passing hole, and which has at least two fixing grooves formed on the inner peripheral surface thereof; a disk-shaped rotor, which has at least two fixing members that are fitted to the fixing grooves, which has a cylindrical spring containing protrusion protruding from one-side surface thereof, which has rotor teeth formed on the other-side surface thereof and arranged in a circular shape, and which has a shaft protruding from the center of the other-side surface thereof; an upper cover, which is assembled correspondingly so as to seal the upper surface of the lower body, which has a semi-circular shoestring passing hole formed on the periphery thereof so as to correspond to the shoestring passing hole, which as a through-hole formed on the ceiling surface thereof such that the shaft penetrates the same, and which has cover teeth formed on the periphery of the through-hole so as to mesh with the rotator teeth, thereby causing the same to rotate only in one direction; and a spring interposed between the rotation guide and the rotor such that the rotor teeth remain engaged with the cover teeth.
Inventors:
LEE HO SUB (KR)
Application Number:
PCT/KR2016/002176
Publication Date:
January 26, 2017
Filing Date:
March 04, 2016
Export Citation:
Assignee:
LEE HO SUB (KR)
International Classes:
A43C7/00; A43C11/16
Foreign References:
| KR200400568Y1 | 2005-11-08 | |||
| US20070084956A1 | 2007-04-19 | |||
| KR20130053552A | 2013-05-24 | |||
| KR100598627B1 | 2006-07-13 | |||
| KR100953398B1 | 2010-04-20 |
Other References:
See also references of EP 3287032A4
Attorney, Agent or Firm:
LEE, Jae Hwa (KR)
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