| 摘要 |
PURPOSE: A shoestring fastener is provided to enable a user to tie and untie the shoestring more easily and conveniently. CONSTITUTION: A shoestring fastener includes: a base member(100); a winding member(200) which has a hollow gear part which is installed to revolve around the base member on inner circumference and winds the shoestring; a driving gear part which is installed in the base member to be rotatable in a specific direction and is selectively gear-connected to the hollow gear part; a rotary cover unit(300) which is movably installed between the binding location where the driving gear part is connected to the hollow gear part and the release location where the hollow gear part is separated; and a latch unit(400) which restricts the rotation direction of the rotary cover member. |
