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US 12,250,997 B2Granted
String adjustment device
OwnerSug Whan Kiminventor
Life of this patent
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Abstract
The present invention discloses a string adjuster that can adjust the length of a string by winding the string. A string adjuster of the present invention includes a fixed unit and a rotation unit, in which a knob of the rotation unit includes a first extension having a counter-anti-separator formed on the interior circumferential surface and preventing separation from a housing, a second extension having a winding determination protrusion formed on the interior circumferential surface and determining winding and releasing modes, and a spacing groove formed between the first extension and the second extension.
Claims13
A string adjuster comprising:
- a fixed unit including
- a base, and
- a housing connected to the base and having a space therein;
- and
- a rotation unit including a knob coupled to the housing and rotating or moving a predetermined section in a direction parallel with an axis, and
- a bobbin disposed in the housing, coupled to the knob by a fastening member or integrally formed with the knob, and rotating with the knob to wind a string thereon,
- wherein the housing includes
- a reference locking portion, and
- an anti-separator spaced apart from the reference locking portion and preventing separation of the knob, and
- the knob includes
- a first extension having a counter-anti-separator corresponding to the anti-separator and preventing separation from the housing,
- a second extension having a winding determination protrusion determining winding and releasing modes, and
- a spacing groove formed between the first extension and the second extension.
10 more elements
Dependencies are inferred from the claim text.