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US 6,658,765 B2Granted
Easy-to-wear footwear
OwnerKun-Chung Liuinventor
Life of this patent
Estimating the term…
Abstract
A lace tightening assembly on a footwear body includes a base mounted to the footwear body, a rotary member mounted rotatably on the base about a rotary axis, a rotary disc unit mounted co-rotatably on the rotary member, and a lace guiding unit mounted on the rotary disc unit and offset from the rotary axis.
Claims12
A footwear, comprising:
- a footwear body having a top opening, said footwear body including a vamp, and first and second eyelet tabs connected to said vamp, said first eyelet tab being formed with a plurality of eyelets, said second eyelet tab including a front portion proximate to said vamp, a rear portion proximate to said top opening, and an intermediate eyelet-free portion between said front and rear portions of said second eyelet tab, each of said front and rear portions of said second eyelet tab being provided with at least one eyelet;
- a lace tightening assembly including
- a base mounted to said second eyelet tab at said eyelet-free portion,
- a rotary member mounted rotatably on said base about a rotary axis,
- a rotary disc unit mounted co-rotatably on said rotary member, and
- a lace guiding unit mounted on said rotary disc unit and offset from said rotary axis;
- and
- a footwear lace unit having a first portion and a second portion, said first portion of said footwear lace unit being strung through said eyelets of said first eyelet tab and said eyelets of said second eyelet tab and being drawn around said lace guiding unit to form a criss-cross pattern on said first and second eyelet tabs, said second portion of said footwear lace unit being disposed proximate to said top opening;
- said rotary member being rotatable relative to said base in a footwear tightening direction, in which a part of said first portion of said footwear lace unit drawn around said lace guiding unit rotates with said rotary disc unit about said rotary axis to wind said first portion of said footwear lace unit on said rotary member to increase tension of said footwear lace unit, and a footwear loosening direction opposite to the footwear tightening direction, in which said part of said first portion of said footwear lace unit is unwound from said rotary member to slacken said footwear lace unit.
6 more elements
Dependencies are inferred from the claim text.