US 12,419,390 B2
Fastening device
Chin-Chu Chen, Taichung (TW)
Filed by Chin-Chu Chen, Taichung (TW)
Filed on Jul. 31, 2023, as Appl. No. 18/361,935.
Application 18/361,935 is a continuation of application No. 17/144,156, filed on Jan. 8, 2021, granted, now 11,751,634.
Application 17/144,156 is a continuation in part of application No. 16/095,940, granted, now 10,918,165, issued on Feb. 16, 2021, previously published as PCT/CN2016/105490, filed on Nov. 11, 2016.
Prior Publication US 2023/0371655 A1, Nov. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A43C 11/00 (2006.01); A43C 11/16 (2006.01)
CPC A43C 11/165 (2013.01) 10 Claims
OG exemplary drawing
 
1. A fastening device, which is for fastening and loosening a lace, the fastening device comprising:
a case, comprising:
a housing, comprising a receiving space; and
a mounted portion located on the housing and protruding radially outward;
a spool received in the receiving space and configured for the lace to be wound therearound;
a knob comprising an engaged portion for engaging with the mounted portion, such that the knob is coupled to the housing; and
a locking unit above the spool;
wherein when the knob is rotated relative to the case in a tightening direction, the spool is rotated in the tightening direction for fastening the lace, and when the knob is not pulled up and is rotated relative to the case in a loosening direction, the spool is allowed to release the lace.