Expandable shoe having screw drive assemblies
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A43B-003/26
A43B-003/00
A43B-001/10
A43B-001/00
A43D-001/00
출원번호
UP-0875973
(2004-06-24)
등록번호
US-7581337
(2009-09-16)
발명자
/ 주소
Miller, Harry
Shin, Byong M.
Chil, Kwong Dong
출원인 / 주소
Inchworm, Inc.
대리인 / 주소
Black Lowe & Graham PLLC
인용정보
피인용 횟수 :
3인용 특허 :
105
초록▼
An expandable shoe includes an outer shell and an adjustable inner assembly within the outer shell. The inner assembly includes a first sole portion, a second sole portion, and a screw drive. The screw drive has a screw passing through a screw insert mounted to one of the first and second sole porti
An expandable shoe includes an outer shell and an adjustable inner assembly within the outer shell. The inner assembly includes a first sole portion, a second sole portion, and a screw drive. The screw drive has a screw passing through a screw insert mounted to one of the first and second sole portions and a screw-receiving portion attached to the other of the first and second sole portions, so that turning the screw causes the sole portions to move relative to one another, thereby adjusting a dimension of the shoe. The shoe includes a manually operable control to turn the screw without the need for tools. The control is operable between a first position in which the control resists movement around an axis defined by the screw and a second position in which the control can be used to turn the screw to adjust a dimension of the footwear.
대표청구항▼
What is claimed is: 1. Footwear, comprising: an outer shell including an outer sole, the outer shell configured with materials having a degree of flexibility that allows a ball of a foot of a user to flex when walking and the outer sole to flex about the ball of the user's foot when the user is wal
What is claimed is: 1. Footwear, comprising: an outer shell including an outer sole, the outer shell configured with materials having a degree of flexibility that allows a ball of a foot of a user to flex when walking and the outer sole to flex about the ball of the user's foot when the user is walking; a screw drive assembly disposed within the outer shell, the screw drive assembly including a first member, a second member, and a screw in operative engagement with the first and second members so that turning the screw causes the first and second members to move relative to one another thereby causing a dimension of the footwear to change; and a control coupled to the screw for turning the screw and thereby adjusting a dimension of the footwear by adjusting the position of the first member relative to the second member, wherein the control requires only manual, tool-less operation to adjust a dimension of the footwear and wherein the control remains coupled to the screw when a user is walking in the footwear, wherein the first member and second member are in overlapping engagement with each other and wherein the first and second members are shaped such that they are slidable relative to each other longitudinally and wherein the first member includes an extension shaped to fit within a corresponding portion of the second member and wherein at least one of the first and second members are configured with materials having a degree of flexibility that allows the at least one of the first and second members to flex when the user is walking. 2. The footwear of claim 1 wherein the control is externally accessible from the outer shell. 3. The footwear of claim 1 further comprising an indicator bearing indicia of the adjustable dimension of the footwear, the indicator including a marker to point to the applicable indicia, wherein at least one of the indicia and the marker are located on at least one of the first member and the second member such that the at least one of the indicia and the marker is viewable through the outer sole. 4. The footwear of claim 1, wherein the outer shell also includes a flexible, expandable segment. 5. The footwear of claim 4, wherein the outer shell further includes a front outer assembly attached to a first edge of the flexible, expandable segment and a rear outer assembly attached to a second edge of the flexible, expandable segment such that the flexible, expandable segment is between the front outer assembly and the rear outer assembly. 6. Footwear, comprising: an outer shell including a front outer assembly attached to an edge of a bellows segment and a rear outer assembly attached to a second edge of the bellows segment, the outer shell including an outer sole, the outer shell configured with materials having a degree of flexibility that allows a ball of a foot of a user to flex when walking; a screw drive assembly disposed within the outer shell, the screw drive assembly including a first member, a second member, and a screw in operative engagement with the first and second members so that turning the screw causes the first and second members to move relative to one another; and a control coupled to the screw for turning the screw and causing the first and second members to move relative to one another, thereby adjusting a dimension of the footwear, wherein the control remains coupled to the screw when a user is walking in the footwear, wherein the first member and second member are in overlapping engagement with each other and wherein the first member includes an extension shaped to fit within a corresponding portion of the second member. 7. The footwear of claim 6 wherein the control requires only manual, tool-less operation to adjust a dimension of the footwear. 8. The footwear of claim 6, wherein the front outer assembly includes a front outer sole and a front upper and wherein the rear outer assembly includes a rear outer sole and a rear upper. 9. The footwear of claim 6, further comprising a base, wherein the screw passes; through the base; and wherein the control is operable between a first position in which the control resists movement around an axis defined by the screw and a second position in which the control can be used to turn the screw to adjust a dimension of the footwear. 10. The footwear of claim 9 wherein the control is manually operable to turn the screw and thereby adjust a dimension of the footwear. 11. The footwear of claim 9 wherein the base is rigidly attached to the rear outer assembly. 12. The footwear of claim 9 wherein the base is an integral part of the rear outer assembly. 13. The footwear of claim 9 wherein the control includes a protrusion, accessible when the control is in the second position, for manually operating the control to turn the screw and thereby adjust a dimension of the adjustable assembly. 14. The footwear of claim 9 further comprising a locking mechanism to hold the control in the first position. 15. Footwear comprising: an outer shell including an outer sole, the outer shell configured with materials having a degree of flexibility that allows a ball of a foot of a user to flex when walking and the outer sole to flex about the ball of the user's foot when the user is walking; a base; a screw drive assembly disposed within the outer shell, the screw drive assembly including a first member, a second member, and a screw passing through the base and in operative engagement with the first and second members so that turning the screw causes the first and second members to move relative to one another thereby causing a dimension of the footwear to change; and a latching mechanism, coupled to the base and to the screw drive assembly, and operable between a first position in which the latching mechanism resists movement around an axis defined by the screw and a second position in which the latching mechanism can be used to turn the screw to adjust a dimension of the footwear by adjusting the position of the first member relative to the second member, wherein the first member and the second member are in overlapping engagement with each other and wherein the first member includes an extension shaped to fit within a corresponding portion of the second member and wherein at least one of the first and second members are configured with materials having a degree of flexibility that allows the at least one of the first and second members to flex when the user is walking. 16. The footwear of claim 15 wherein the latching mechanism includes a protrusion and the base includes a cavity adapted to receive the protrusion when the latching mechanism is in the first position. 17. The footwear of claim 15, wherein the outer shell also includes a flexible, expandable segment. 18. The footwear of claim 17, wherein the outer shell further includes a front outer assembly attached to a first edge of the flexible, expandable segment and a rear outer assembly attached to a second edge of the flexible, expandable segment such that the flexible, expandable segment is between the front outer assembly and the rear outer assembly. 19. An adjustable assembly for footwear, comprising: a screw drive assembly including a first member, a second member, and a screw in operative engagement with the first member and the second member so that turning the screw causes the first and second members to move relative to one another; a control coupled to the screw for turning the screw and causing the first and second members to move relative to one another, thereby adjusting a dimension of the footwear, wherein the control remains coupled to the screw when a user is walking in footwear including the adjustable assembly; and an indicator bearing indicia of the adjustable dimension of the footwear, the indicator including a marker to point to the applicable indicia, wherein the first member and the second member are in overlapping engagement with each other and wherein the first member includes an extension shaped to fit within a corresponding portion of the second member and wherein at least one of the first and second members are configured with materials having a degree of flexibility that allows the at least one of the first and second members to flex when the user is walking in footwear including the adjustable assembly. 20. The adjustable assembly of claim 19 wherein the control requires only manual, tool-less operation to adjust a dimension of the footwear. 21. An adjustable assembly for footwear comprising a screw drive assembly including a first member, a second member, a base, and a screw passing through the base, the screw in operative engagement with the first and second members so that turning the screw causes the first and second members to move relative to one another thereby causing a dimension of the footwear to change; a control coupled to the screw, operable between a first position in which the control resists movement around an axis defined by the screw and a second position in which the control can be used to turn the screw to adjust a dimension of the adjustable assembly, wherein the control remains coupled to the screw when a user is walking in footwear including the adjustable assembly; and an indicator bearing indicia of the adjustable dimension of the footwear, the indicator including a marker to point to the applicable indicia, wherein the first member and the second member are in overlapping engagement with each other and wherein the first member includes an extension shaped to fit within a corresponding portion of the second member and wherein at least one of the first and second members are configured with materials having a degree of flexibility that allows the at least one of the first and second members to flex when the user is walking in footwear including the adjustable assembly. 22. The adjustable assembly of claim 21 wherein the control is rotatable around an axis of the screw when the control is in the second position.
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