Patents by Inventor Kun-Chung Liu

Kun-Chung Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20040010941
    Abstract: An anchoring assembly on a footwear includes a stationary member, a pivotable member, a pivot unit, and a releasable fastener unit. The pivot unit is provided on the stationary and pivotable members to permit pivoting movement of the pivotable member relative to the stationary member between a footwear tightening position and a footwear loosening position. The releasable fastener unit is provided on the stationary and pivotable members for releasably retaining the pivotable member at the footwear tightening position. The releasable fastener unit includes a positioning member, a first fastener member mounted to the positioning member, a second fastener member provided on the pivotable member and fastened releasably to the first fastener member, and a resilient member for urging the first fastener member to engage releasably the second fastener member.
    Type: Application
    Filed: July 16, 2002
    Publication date: January 22, 2004
    Inventor: Kun-Chung Liu
  • Patent number: 6678970
    Abstract: A welted shoe includes a tab member joined with a bent portion of an upper at one end thereof, an insole superimposed on and engaged with the bent portion, and a welt member having a surrounding seat which is interposed between the bent portion and the tab member, a surrounding prop wall disposed to keep the profile of the upper, and an outwardly extending anchored end which is joined with the tab member so as to form a sub-assembly. An outsole is molded with the sub-assembly to underlie the sub-assembly, and extends uprightly to surround completely the welt member and to sealingly abut against the upper to provide a good waterproofing effect.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: January 20, 2004
    Inventor: Kun-Chung Liu
  • Patent number: 6675503
    Abstract: A lace tightening assembly on a footwear body includes a base, a spool, a pull string, and a restricting unit. The base is mounted to the footwear body. The spool is mounted rotatably on the base. The pull string has a fixing portion secured to the spool, an intermediate portion connected to the fixing portion and wound on the spool, and a connecting portion connected to the intermediate portion and provided with a ring unit. The restricting unit restricts rotation of the spool relative to the base.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: January 13, 2004
    Inventor: Kun-Chung Liu
  • Patent number: 6671980
    Abstract: An anchoring assembly on a footwear includes a stationary member, a pivotable member, a pivot unit, and a releasable fastener unit. The pivot unit is provided on the stationary and pivotable members to permit pivoting movement of the pivotable member relative to the stationary member between a footwear tightening position and a footwear loosening position. The releasable fastener unit is provided on the stationary and pivotable members for releasably retaining the pivotable member at the footwear tightening position. The releasable fastener unit includes a positioning member, a first fastener member mounted to the positioning member, a second fastener member provided on the pivotable member and fastened releasably to the first fastener member, and a resilient member for urging the first fastener member to engage releasably the second fastener member.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: January 6, 2004
    Inventor: Kun-Chung Liu
  • Patent number: 6658765
    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.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: December 9, 2003
    Inventor: Kun-Chung Liu
  • Patent number: 6647644
    Abstract: A welted shoe includes an insole disposed within an upper. A welt member underlies a lower peripheral edge portion of the upper and together with a peripheral portion of the insole to form a sandwiched structure which is fastened by uprightly extending fastening members, such as stitches and rivets, to form a sub-assembly. An outsole is molded with the sub-assembly to form an outsole body underlying the welt member and a central portion of the insole, and a surrounding seal wall extending uprightly to surround completely the welt member and sealingly abutting against the upper to provide a good waterproofing effect.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: November 18, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030204968
    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.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 6, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030204969
    Abstract: An anchoring assembly on a footwear body includes a stationary member, a pivotable member, a pivot unit and a releasable fastener unit. The stationary member is fixed on the footwear body. The pivotable member is provided with a footwear lace stringing part that is formed with at least one eyelet. The pivot unit is provided on the stationary and pivotable members to permit pivoting movement of the pivotable member relative to the stationary member about a pivot axis between a footwear tightening position and a footwear loosening position. The releasable fastener unit is provided on the stationary and pivotable members and releasably retains the pivotable member at the footwear tightening position.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 6, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030204970
    Abstract: A lace tightening assembly on a footwear body includes a base, a spool, a pull string, and a restricting unit. The base is mounted to the footwear body. The spool is mounted rotatably on the base. The pull string has a fixing portion secured to the spool, an intermediate portion connected to the fixing portion and wound on the spool, and a connecting portion connected to the intermediate portion and provided with a ring unit. The restricting unit restricts rotation of the spool relative to the base.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 6, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030204920
    Abstract: A method for making a shoe includes the steps of forming a midsole in an outsole in a first mold, transferring the assembly of the midsole and the outsole into a second mold, and forming an insole between the midsole and an upper in the second mold.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 6, 2003
    Inventor: Kun-Chung Liu
  • Patent number: 6640466
    Abstract: An anchoring assembly on a footwear body includes a stationary member, a pivotable member, a pivot unit and a releasable fastener unit. The stationary member is fixed on the footwear body. The pivotable member is provided with a footwear lace stringing part that is formed with at least one eyelet. The pivot unit is provided on the stationary and pivotable members to permit pivoting movement of the pivotable member relative to the stationary member about a pivot axis between a footwear tightening position and a footwear loosening position. The releasable fastener unit is provided on the stationary and pivotable members and releasably retains the pivotable member at the footwear tightening position.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: November 4, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030188453
    Abstract: A welted shoe includes a tab member joined with a bent portion of an upper at one end thereof, an insole superimposed on and engaged with the bent portion, and a welt member having a surrounding seat which is interposed between the bent portion and the tab member, a surrounding prop wall disposed to keep the profile of the upper, and an outwardly extending anchored end which is joined with the tab member so as to form a sub-assembly. An outsole is molded with the sub-assembly to underlie the sub-assembly, and extends uprightly to surround completely the welt member and to sealingly abut against the upper to provide a good waterproofing effect.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030188454
    Abstract: A welted shoe includes an insole disposed within an upper. A welt member underlies a lower peripheral edge portion of the upper and together with a peripheral portion of the insole to form a sandwiched structure which is fastened by uprightly extending fastening members, such as stitches and rivets, to form a sub-assembly. An outsole is molded with the sub-assembly to form an outsole body underlying the welt member and a central portion of the insole, and a surrounding seal wall extending uprightly to surround completely the welt member and sealingly abutting against the upper to provide a good waterproofing effect.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030188404
    Abstract: A double-bow shoe lace device includes a shoe lace having first and second lace segments, two loop assemblies, and a clamp member sleeved slidably on the loop assemblies. The first lace segment forms a criss-cross pattern on the eyelet tabs. The second lace segment includes first and second lace sections, each of which has a lower end connected to the first lace segment. Each of the loop assemblies includes a distal lace segment, an inverted U-shaped lace segment having first and second ends connected respectively to the distal lace segment and the upper end of a respective one of the first and second lace sections, and a fastening unit for fastening together the distal lace segment and the ends of the inverted U-shaped lace segment.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Inventor: Kun-Chung Liu
  • Patent number: 6612003
    Abstract: A double-bow shoe lace device includes a shoe lace, two loop assemblies, and a clamp member. The shoe lace has a first lace segment forming a criss-cross pattern on eyelet tabs of a shoe, and a second lace segment that includes first and second lace portions. Each lace portion has a lower section connected to the first lace segment. Each loop assembly includes a loop segment connected to an upper section of a respective one of the lace portions, and a distal lace segment. The clamp member is sleeved slidably on the loop assemblies. Downward and upward movements of the clamp member along the loop assemblies result in tightening and loosening of the shoe.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: September 2, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030150135
    Abstract: An automated tightening shoe includes a sole, an upper, a closure member, a tightening mechanism and a drive unit. The tightening mechanism includes a first fastener mounted on the upper, and a second fastener connected to the closure member and capable of removable engagement with the first fastener so as to retain releasably the closure member at a tightened state. The drive unit is mounted inside the sole, and is operable so as to pull the second fastener toward the first fastener in order to inter-engage the first and second fasteners, thereby resulting in automated tightening of the shoe.
    Type: Application
    Filed: July 2, 2002
    Publication date: August 14, 2003
    Inventor: Kun-Chung Liu
  • Publication number: 20030140522
    Abstract: A method for making a footwear includes the steps of disposing a pad between an upper and an outsole, placing an assembly of the pad, the upper, and the outsole in a mold in such a manner that the assembly forms first, second and third gaps thereamong, and filling and molding a molding material in the first, second and third gaps in the mold to form a midsole bonded to the pad, the upper, and the outsole.
    Type: Application
    Filed: May 2, 2002
    Publication date: July 31, 2003
    Inventor: Kun-Chung Liu
  • Patent number: 6581256
    Abstract: A double-bow shoe lace device for a shoe includes a shoe lace, a clamp member, a decorative knot, and a pair of pull members. The shoe lace has a first lace segment adapted to be strung on the shoe, and a second lace segment that includes first and second lace portions. The lower ends of the lace portions are anchored on eyelet tabs of the shoe. The clamp member is sleeved slidably on the lace portions. Downward and upward movements of the clamp member along the lace portions result in tightening and loosening of the shoe. The lace portions are anchored on the clamp member to form a pair of loops. The knot is positioned on the clamp member, and has a pair of distal lace ends. Each of the pull members is mounted slidably on a respective one of the loops.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: June 24, 2003
    Inventor: Kun-Chung Liu
  • Patent number: 6571438
    Abstract: A double-bow shoe lace device for a shoe includes a shoe lace, a clamp member, and an assembly of two loops and a decorative knot. The shoe lace has a first lace segment that is strung on the shoe so as to form a criss-cross pattern on the eyelet tabs, and a second lace segment that includes first and second lace portions. Each of the lace portions has a lower end connected to the first lace segment so as to be anchored on a respective one of the eyelet tabs. The clamp member is sleeved slidably on at least one of the lace portions. Downward and upward movements of the clamp member along at least one of the lace portions result in tightening and loosening of the shoe. The assembly is disposed on and externally of the clamp member.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: June 3, 2003
    Inventor: Kun-Chung Liu
  • Patent number: 6571437
    Abstract: A double-bow shoe lace device for a shoe includes a shoe lace, a clamp member, and a positioning unit. The shoe lace has first and second lace portions, each of which has lower, upper, and medial sections. The lower sections of the lace portions are anchored on eyelet tabs of the shoe. The upper sections of the lace portions are tied together to form a knot and a pair of distal lace ends. The clamp member is sleeved slidably on the medial sections of the lace portions. Downward and upward movements of the clamp member along the lace portions permit the tightening and loosening of the shoe. The positioning unit positions the knot on the clamp member such that the medial sections of the lace portions form first and second loops between the knot and the clamp member.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: June 3, 2003
    Inventor: Kun-Chung Liu