US 12,137,773 B2
Fastening device
Chin-Chu Chen, Taichung (TW)
Filed by Chin-Chu Chen, Taichung (TW)
Filed on Jan. 26, 2022, as Appl. No. 17/584,404.
Application 17/584,404 is a continuation in part of application No. 16/558,181, filed on Sep. 2, 2019, granted, now 11,266,206.
Claims priority of application No. 108114559 (TW), filed on Apr. 25, 2019.
Prior Publication US 2022/0142304 A1, May 12, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A43C 11/16 (2006.01); A43C 11/00 (2006.01); B65H 75/44 (2006.01)
CPC A43C 11/165 (2013.01) [A43C 11/008 (2013.01); B65H 75/4421 (2013.01); B65H 75/4455 (2013.01); B65H 75/4471 (2013.01); B65H 75/4494 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A fastening device, comprising:
a case unit, comprising:
a wall forming a receiving space;
a partition protruding radially from the wall to separate the receiving space into an upper chamber and a lower chamber;
a through hole located at the partition; and
a base detachably connected to at least one part of the wall;
a spool located at the lower chamber;
a connecting unit inserted into the spool;
a knob covering on the case unit and being connected to the connecting unit; and
an engaging unit located at the upper chamber;
wherein after the connecting unit is inserted into the spool, the through hole and the engaging unit to couple to the knob, the partition, the spool, the connecting unit, the knob and the engaging unit are connected integrally without being separated from each other while the base is separated from the at least one part of the wall.