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US 12,108,843 B2Granted
Fastening device
OwnerChin-Chu Cheninventor
Life of this patent
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Abstract
A fastening device includes a case unit including a receiving space, a spool located within the receiving space and configured for a lace to be wound therearound, and a knob covering on the case unit. The knob includes a main body made of a composite material, and a shield cover covering on the main body and made of a metal material. A rotation of the knob drives the spool to rotate in a tightening direction for tensioning the lace.
Claims9
A fastening device, comprising:
- a case unit comprising a receiving space;
- a spool located within the receiving space and configured for a lace to be wound therearound;
- and
- a knob covering on the case unit and comprising:
- a main body made of a composite material;
- and
- a shield cover covering on the main body and made of a metal material;
- wherein a rotation of the knob drives the spool to rotate in a tightening direction for tensioning the lace.
5 more elements
Dependencies are inferred from the claim text.