Source: http://www.google.com/patents/US7637034?dq=552685
Timestamp: 2018-01-24 10:24:10
Document Index: 152380160

Matched Legal Cases: ['art 65', 'art 65', 'art 65', 'art 65', 'art 65', 'art 65', 'art 65', 'art 65']

Patent US7637034 - Insole for footwear - Google Patents
An insole for footwear that is capable of providing a protective layer between a plantar surface of a human foot and an upper surface of a sole of the footwear. The insole can have a first portion positioned in a rearfoot region of the insole and a second portion positioned at a forefoot portion of the...http://www.google.com/patents/US7637034?utm_source=gb-gplus-sharePatent US7637034 - Insole for footwear
Publication number US7637034 B2
Application number US 11/545,413
Also published as US6889452, US20030088999, US20060053657, US20070144038
Publication number 11545413, 545413, US 7637034 B2, US 7637034B2, US-B2-7637034, US7637034 B2, US7637034B2
Inventors James H. Ailey, Glenn H. Middleton, John G. Pearce, Sharon L. Moure, Wallace McNeil, Hans Hansen
Original Assignee Boot Royalty Company, L.P.
Patent Citations (43), Referenced by (6), Classifications (10), Legal Events (3)
US 7637034 B2
1. An insole bounded by a periphery having a medial edge, a lateral edge, a rearward edge, and a forward edge and corresponding substantially to a plantar surface of a human foot, said insole having a rearfoot region, a forefoot region, and a toe region and comprising:
a base strip having a first portion positioned at said rearfoot region of said insole and a second portion positioned at said forefoot region of said insole;
a footbed on top of the base strip, the footbed having an intermediate portion of foam material and a surface portion formed of leather or a textile lining;
a toe piece positioned at said toe region of said insole,
wherein said second portion of said base strip is more flexible than said first portion of said base strip, the second portion having a flexing index average value that meets or exceeds 2.7 according to SATRA TM 3 1999; and
a third portion having a shape corresponding substantially to the shape of said first portion and positioned in contact with said first portion, wherein said third portion, said second portion and said toe piece form a lower surface of said insole.
2. The insole according to claim 1 wherein a forwardmost edge of said first portion and a rearwardmost edge of said second portion are skived in a first abutting region, and a rearwardmost edge of said toe piece and a forwardmost edge of said second portion are skived in a second abutting region, such that said skived edges of said first portion and said second portion overlap in said first abutting region and said skived edges of said second portion and said toe piece overlap in said second abutting region.
3. An insole bounded by a periphery having a medial edge, a lateral edge, a rearward edge, and a forward edge and corresponding substantially to a plantar surface of the human foot, said insole having a rearfoot region, a forefoot region, and a toe region and comprises:
a base strip having a first portion that can be positioned at said rearfoot region of said insole and a second portion that can be positioned at said forefoot region of said insole;
a toe piece that can be positioned at said toe region of said insole;
a footbed positioned on each of said base strip and said toe piece, the footbed having an intermediate portion of foam material and a surface portion formed of leather or a textile lining;
wherein said second portion of said base strip is more flexible than said first portion of said base strip, the second portion having a thickness in the range of 0.010 inches to 0.100 inches; and
a third portion having a shape corresponding substantially to the shape of said first portion and positioned in contact with said first portion, wherein said third portion, said second portion and said toe piece form part of a lower surface of said insole.
4. The insole according to claim 3 wherein a forwardmost edge of said first portion and a rearwardmost edge of said second portion are skived in a first abutting region, and a rearwardmost edge of said toe piece and a forwardmost edge of said second portion are skived in a second abutting region, such that said skived edges of said first portion and said second portion overlap in said first abutting region and said skived edges of said second portion and said toe piece overlap in said second abutting region.
5. The insole according to claim 3, wherein the intermediate portion is formed of a soft and flexible foam material with a density in the range of about 8 lb/cubic ft to 16 lb/cubic ft according to the ASTM 3574 test method and a compression set percentage that is less than about 10 percent according to ASTM 1667 at 73 degrees F.
6. A footwear comprising:
a footwear upper portion attached to said sole to form a foot receiving member capable of retaining a human foot;
and an insole positioned on an inner surface of said sole and having a rearfoot region and a forefoot region, and bounded by a periphery having a medial edge, a lateral edge, a rearward edge, and a forward edge, said insole comprising:
a base strip having a first portion positioned at said rearfoot region of said insole and a second portion positioned at said forefoot region of said insole, said second portion being more flexible than said first portion,
a footbed on top of the base strip, the footbed having an intermediate portion of foam material and a surface portion formed of leather or a textile lining, and
a third portion having a shape corresponding substantially to a shape of said first portion and positioned to be in contact with a lower surface of said first portion and said inner surface of said sole.
7. The footwear according to claim 6 wherein holding members affix said insole to said inner surface of said sole at a shank portion of said footwear.
a base strip having a first portion positioned at said rearfoot region of said insole and a second portion positioned at said forefoot region of said insole, said second portion being more flexible than said first portion;
a footbed on top of the base strip, the footbed having an intermediate portion of foam material and a surface portion formed of leather or a textile lining; and
a toe piece extending from a forwardmost edge of said second portion to said forward edge of said insole and bounded by said medial edge and said lateral edge of said insole.
9. The footwear according to claim 8 wherein said footbed is positioned on an upper surface of said base strip and said toe piece.
This is a continuation of U.S. patent application Ser. No. 11/124,914 filed May 9, 2005 now abandoned, which is a continuation of U.S. patent application Ser. No. 09/992,463 filed Nov. 14, 2001, now U.S. Pat. No. 6,889,452.
FIG. 2 is a cross-sectional side view of the insole taken along line 2-2 of FIG. 1;
Referring to FIGS. 1 and 2, insole 60 is preferably constructed with a footbed 69 and a lower multicomponent strip 54. As shown in FIGS. 1 and 2, lower multicomponent strip 54 preferably includes a base strip 67, consisting of first tuck 63 and forepart 65. In the illustrated embodiment of FIG. 2, base strip 67 at least partially underlies footbed 69. Lower strip 54 further includes a toe piece 66 and a second tuck 64. As will be explained, according to the present embodiment, the construction of lower strip 54 controls the flexibility of the different regions of insole 60, and in particular, the flexibility of rearfoot region 56 and forefoot region 58. More specifically, because footbed 69 is formed of the same materials substantially throughout its entirety, the positioning the different components of strip 60 will determine which portions of footbed 69 of insole 60 will be more flexible relative to other portions of insole 60.
In a preferred embodiment, forepart 65 is constructed with a material that is more flexible than first tuck 63. That is, because forepart 65 will be located in a forefoot region 58 of insole 60, it is preferred that forepart 65 be capable of directionally flexing to accommodate the movement of a human foot and, in particular, to accommodate the flexing and movement caused by a forefoot push off stage of human gait. By providing a flexible member in forefoot region 58, insole 60 is able to flex upwardly at a time of forefoot push-off when the heads of the metatarsal bones of the foot in the forefoot region of the foot transfer weight from the heel of the foot to the toes of the foot. Forepart 65 may have a flexing index average value that meets or exceeds 2.7 according to SATRA TM 3 1999. In a preferred embodiment, forepart 65 has a flexing index average value that meets or exceeds 3.7 according to SATRA TM 3 1999.
Whereas forepart 65 is preferably a flexible material, it is preferred that first tuck 63 is less flexible than forepart 65. In one embodiment, first tuck 63 is a rigid material, and has a density in the range of about 0.0200 (lb/in3) to about 0.0400 (lb/in3). In a preferred embodiment, first tuck 63 has a density in the range of about 0.0330 (lb/in3) to about 0.0380 (lb/in3). Further, it is preferred that first tuck 63 has a nail hold value in the range of about 68-107 (lb.). Additionally, in one embodiment, first tuck 63 has a flexural strength in the range of about 4.5-psi to 6.4-psi. In a preferred embodiment, the flexural strength of first tuck 63 is in the range of about 4.9-psi to 6.0-psi.
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U.S. Classification 36/44, 36/30.00R, 36/102
Cooperative Classification A43B13/12, A43B13/40, A43B13/141
European Classification A43B13/12, A43B13/14F, A43B13/40
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