IP Library Granted Patent US 7,290,356
Granted Patent B2
US 7,290,356 · App. 11/148,701 · Granted Nov 6, 2007

Footwear with multi-piece midsole

Assignee: Keen, Inc.
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Quick Facts
Patent No.
US 7,290,356
App. No.
11/148,701
Granted
Nov 6, 2007
Kind
B2
Abstract

Articles of footwear having a unitary midsole with an integrally molded toe cap that extends over the wearer's toes are disclosed, in which the midsole is molded in multiple sections one of which includes the integrally-molded toe cap which are joined to one another to provide the unitary midsole.

Claims (9)

1. An article of footwear having a heel and a toe and an axis extending therebetween and comprising a molded midsole and an outsole,

a. the midsole comprising multiple separate sections including a forefoot-supporting section and a midfoot- and heel-supporting section or sections, these separate sections are molded and flexible sections affixed to one another at one or more flexible joints intersecting the axis and being bendable in a non-parallel direction relative to the axis, the forefoot-supporting section terminating in an integrally-molded toe cap; and

b. the outsole extending over multiple separate sections of the midsole and itself having an integrally-molded toe section extending upwards over at least a portion of the midsole toe cap, said outsole concealing at least the majority of at least one of the one or more flexible joints in the midsole.

2. The article of footwear of claim 1 wherein the joint joining the forefoot-supporting section to the next adjacent section is located away from an area of maximum flex of the midsole when the article of footwear is being worn.

3. The article of footwear of claim 1 wherein the joint between the forefoot supporting section and the next adjacent section is a stepped joint with the step positioning the two sections relative to one another.

4. The article of footwear of claim 1 wherein the joint has at least two connected curved segments.

5. The article of footwear of claim 1 wherein the midsole comprises two separate sections affixed to one another at a single joint.

6. The article of footwear of claim 5 wherein the forefoot-supporting section and the midfoot and heel-supporting sections are made of foamed material.

7. The article of footwear of claim 6 wherein the midfoot-and heel-supporting section foamed material differs from the forefoot section foamed material.

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded Oct 23, 2024
From: BANK OF AMERICA, N.A.
To: KEEN, INC.; FUERST GROUP, INC.; CHROME INDUSTRIES, INC.
Reel/Frame 068994/0130 →
SECURITY INTEREST Recorded Aug 24, 2016
From: KEEN, INC.; FUERST GROUP, INC.; CHROME INDUSTRIES, INC.
To: BANK OF AMERICA, N.A., A NATIONAL BANKING ASSOCIATION
Reel/Frame 039798/0147 →
SECURITY AGREEMENT Recorded Mar 6, 2009
From: KEEN, INC.
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 022354/0631 →
CHANGE OF NAME Recorded Feb 24, 2009
From: KEEN LLC
To: KEEN, INC.
Reel/Frame 022299/0774 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 27, 2006
From: FUERST, RORY W.
To: KEEN LLC
Reel/Frame 017366/0096 →
Continuity (2)
Provisional Application 6057832800 · Jun 8, 2004
Related Publication 20050268492A1 · Dec 8, 2005