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US4361971A Expired / Lapsed US ⏱️ 0.0 years remaining

Track shoe having metatarsal cushion on spike plate

Assignee: Nike Inc
•
Filing: 1980-04-28
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Granted: 1982-12-07
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Expires: 2000-04-28
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Abstract

Abstract A track shoe is described having a cushion member of resilient elastomer material secured to the bottom surface of its spike plate beneath the metatarsal bones of the wearer's foot. The cushion member is positioned behind and separate from the rearmost spikes on such spike plate. Such cushion member has an average width longitudinally of the shoe greater than its thickness. The cushion member absorbs shock, helps runners stay on their toes by preventing "rock-back" onto the heel of the shoe, and aids in foot stability during landing.

Inventors

  • 👤 William J. Bowerman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:50
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/06

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 109 words
A running shoe in which the improvement comprises: a spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of resilient material different than the material of the spike plate secured to the lower surface of said plate, said cushioning member being positioned behind and separate from the rearmost spike fastening means and extending below the lower surface of the spike plate including surface portions surrounding said spike fastening means, said cushioning member being tapered in width longitudinally of the shoe with a greater width at the lateral side of the shoe than at the medial side of the shoe.
Claim 2
Dependent Claim 109 words
A running shoe in which the improvement comprises: a spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of resilient material different than the material of the spike plate secured to the lower surface of said plate, said cushioning member being positioned behind and separate from the rearmost spike fastening means and extending below the lower surface of the spike plate including surface portions surrounding said spike fastening means, said cushioning member being tapered in width longitudinally of the shoe with a greater width at the lateral side of the shoe than at the medial side of the shoe.
Claim 3
Dependent Claim 28 words
A shoe in accordance with claim 1 in which the cushioning member is positioned beneath the ball of the wearer's foot and the metatarsal bones of said foot.
Claim 4
Dependent Claim 29 words
A shoe in accordance with claim 1 in which the average width of the cushioning member longitudinally of the shoe is greater than the thickness of said cushioning member.
Claim 5
Dependent Claim 39 words
A shoe in accordance with claim 1 in which the cushioning member is tapered in width longitudinally of the shoe with a greater width at the lateral side of the shoe than at the medial side of said shoe.
Claim 6
Dependent Claim 47 words
A shoe in accordance with claim 1 in which the spike plate fastening means include threaded fasteners provided within raised projections on the spike plate extending below the lower surface of the remainder of the spike plate and the cushioning member extends downward beyond said raised projections.
Claim 7
Dependent Claim 24 words
A shoe in accordance with claim 1 in which the cushioning member is made of elastomer material and is bonded to the spike plate.
Claim 8
Dependent Claim 16 words
A shoe in accordance with claim 6 in which the spike plate is made of nylon.
Claim 9
Dependent Claim 16 words
A shoe in accordance with claim 7 in which the cushioning member is made of polyurethane.
Claim 10
Dependent Claim 24 words
A shoe in accordance with claim 1 in which the spike fastening means includes an internally threaded metal anchor member to hold removable spikes.
Claim 11
Dependent Claim 31 words
A shoe in accordance with claim 1 in which the spike plate is made of a flexible, non-resilient synthetic plastic material and the cushioning member is bonded to the spike plate.
Claim 12
Dependent Claim 90 words
A track shoe in which the improvement comprises: a spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of resilient elastomer material provided on the bottom of said spike plate beneath the metatarsal bones of the wearers foot, and having an average width longitudinally of the shoe which is greater than the height of said cushioning member, said cushioning member being tapered in width with a greater width at the lateral side than at the medial side of the shoe.
Claim 13
Dependent Claim 90 words
A track shoe in which the improvement comprises: a spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of resilient elastomer material provided on the bottom of said spike plate beneath the metatarsal bones of the wearers foot, and having an average width longitudinally of the shoe which is greater than the height of said cushioning member, said cushioning member being tapered in width with a greater width at the lateral side than at the medial side of the shoe.
Claim 14
Dependent Claim 22 words
A shoe in accordance with claim 11 in which the cushioning member is positioned behind the rearmost spikes on said spike plate.
Claim 15
Dependent Claim 32 words
A shoe in accordance with claim 11 in which the spike fastening means are provided within raised projections on the spike plate and the cushioning member extends downward beyond said raised projections.
Claim 16
Dependent Claim 73 words
A running shoe in which the improvement comprises: a nylon spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of a resilient polyurethane material bonded to the nylon spike plate, said cushioning member being positioned completely behind and separate from the rearmost spike fastening means and extending below the lower surface of the spike plate including surface portions surrounding said spike fastening means.
Claim 17
Dependent Claim 73 words
A running shoe in which the improvement comprises: a nylon spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of a resilient polyurethane material bonded to the nylon spike plate, said cushioning member being positioned completely behind and separate from the rearmost spike fastening means and extending below the lower surface of the spike plate including surface portions surrounding said spike fastening means.
Claim 18
Dependent Claim 21 words
A shoe in accordance with claim 14 wherein said cushioning member has a Shore A hardness of about 65 to 75.
Claim 19
Dependent Claim 103 words
A running shoe in which the improvement comprises: a spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of resilient material different than the material of the spike plate secured to the lower surface of said spike plate, said cushioning member being positioned completely behind and separate from the rearmost spike fastening means and beneath the ball of the wearer's foot and the metatarsal bone of the foot, said cushioning member extending below the lower surface of the spike plate and having an average width longitudinally of the shoe greater than its thickness.
Claim 20
Dependent Claim 103 words
A running shoe in which the improvement comprises: a spike plate having a plurality of spike fastening means for attaching spikes to the plate; and a cushioning member of resilient material different than the material of the spike plate secured to the lower surface of said spike plate, said cushioning member being positioned completely behind and separate from the rearmost spike fastening means and beneath the ball of the wearer's foot and the metatarsal bone of the foot, said cushioning member extending below the lower surface of the spike plate and having an average width longitudinally of the shoe greater than its thickness.
Claim 21
Dependent Claim 21 words
A shoe in accordance with claim 16 wherein the average width of said cushioning member is approximately four times its thickness.
Claim 22
Dependent Claim 120 words
A spike plate for use with a running shoe comprising: a plate member having a plurality of spike fastening means for removably attaching spikes to the plate member, said plate member being made of a synthetic plastic material; a cushioning member of a resilient material having a Shore A hardness in the range of approximately 65 to 75, said cushioning member being positioned completely behind and separate from the rearmost spike fastening means and extending below the lower surface of said plate member including surface portions surrounding said spike fastening means, said cushioning member having an average longitudinal width greater than its thickness and being tapered longitudinally with a greater width at its outer side than at its inner side.
Claim 23
Dependent Claim 120 words
A spike plate for use with a running shoe comprising: a plate member having a plurality of spike fastening means for removably attaching spikes to the plate member, said plate member being made of a synthetic plastic material; a cushioning member of a resilient material having a Shore A hardness in the range of approximately 65 to 75, said cushioning member being positioned completely behind and separate from the rearmost spike fastening means and extending below the lower surface of said plate member including surface portions surrounding said spike fastening means, said cushioning member having an average longitudinal width greater than its thickness and being tapered longitudinally with a greater width at its outer side than at its inner side.

References Cited (Backward Citations)

US1406033A Cited
US2095766A Cited
US2758394A Cited
US3341952A Cited
US3324578A Cited
US3343285A Cited
US3597864A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-12-06 1986-06-07 1986-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-12-06 1990-06-07 1990-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-12-06 1994-06-07 1994-12-07 $7700.00 Window Closed / Lapsed

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