US3824710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction-type swivel shoe
Assignee: Wolverine World Wide Inc
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Filing: 1973-09-10
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Granted: 1974-07-23
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Expires: 1993-09-10
Abstract
Abstract The ball of an athletic shoe sole includes a rotating swivel with a configurated surface engaging bottom. The swivel is integrally molded within the sole of the shoe with a lubricating film positioned between the shoe sole and swivel. The generally circular swivel includes an upwardly and outwardly extending central holding member and a peripheral outwardly extending shoulder for securing the swivel within the shoe sole. A reinforcing ring is integrally molded in the shoe sole and extends around the periphery of the frictional member below the peripheral shoulder to prevent the deflection of the sole material away from the area adjacent the swivel.
Inventors
- 👤 R Egtvedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:01
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/0036; A43B3/0042; A43B5/00; A43B5/10
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
70 words
An athletic shoe sole comprising: a disc-like swivel member having a configurated bottom surface and at least one shoulder extending outwardly from an upper surface thereof; a lubricious coating over said upper surface of said swivel; and a sole of moldable material molded around said swivel and said shoulder to capture said swivel within said sole whereby said lubricious coating permits rotation of said swivel with respect to said sole.
Claim 2
Dependent Claim
70 words
An athletic shoe sole comprising: a disc-like swivel member having a configurated bottom surface and at least one shoulder extending outwardly from an upper surface thereof; a lubricious coating over said upper surface of said swivel; and a sole of moldable material molded around said swivel and said shoulder to capture said swivel within said sole whereby said lubricious coating permits rotation of said swivel with respect to said sole.
Claim 3
Dependent Claim
26 words
The shoe sole as defined in claim 1 wherein said swivel comprises a disc-like member and said one shoulder extends outwardly around the outer periphery thereof.
Claim 4
Dependent Claim
26 words
The shoe sole as defined in claim 2 and further including an upwardly and outwardly projecting member extending centrally from said swivel defining a second shoulder.
Claim 5
Dependent Claim
30 words
The shoe sole as defined in claim 3 wherein said configurated bottom surface of said swivel extends below the bottom of said shoe sole and includes a plurality of dimples.
Claim 6
Dependent Claim
28 words
The shoe sole as defined in claim 4 wherein said configurated bottom surface of said swivel further includes a first annular band formed around the outer periphery thereof.
Claim 7
Dependent Claim
29 words
The shoe sole as defined in claim 5 wherein said configurated bottom surface of said swivel further includes a second annular band of lesser diameter than said first band.
Claim 8
Dependent Claim
25 words
The shoe sole as defined in claim 6 wherein said configurated bottom surface of said swivel includes a concave recess formed within said second band.
Claim 9
Dependent Claim
20 words
The shoe sole as defined in claiM 1 and further including a second lubricious coating over said first mentioned coating.
Claim 10
Dependent Claim
26 words
The shoe sole as defined in claim 1 and further including a circular reinforcing member embedded in said sole and circumscribing said swivel below said shoulder.
Claim 11
Dependent Claim
56 words
An athletic shoe sole including a frictional type swivel comprising: a disc-shaped swivel member including first and second horizontally spaced circular shoulders extending outwardly from an upper surface thereof, and a configurated bottom surface; means for lubricating said upper surface of said swivel member; and a shoe sole molded around said shoulders of said swivel member.
Claim 12
Dependent Claim
56 words
An athletic shoe sole including a frictional type swivel comprising: a disc-shaped swivel member including first and second horizontally spaced circular shoulders extending outwardly from an upper surface thereof, and a configurated bottom surface; means for lubricating said upper surface of said swivel member; and a shoe sole molded around said shoulders of said swivel member.
Claim 13
Dependent Claim
22 words
The shoe sole as defined in claim 10 wherein one of said shoulders extends around the outer periphery of said swivel member.
Claim 14
Dependent Claim
24 words
The shoe sole as defined in claim 11 and further including a ring embedded in said sole circumscribing said swivel under said one shoulder.
Claim 15
Dependent Claim
19 words
The shoe sole as defined in claim 12 wherein said ring includes a plurality of spaced apertures extending therethrough.
Claim 16
Dependent Claim
27 words
The shoe sole as defined in claim 10 wherein said lubricating means comprises at least one lubricious coating applied to said upper surface of said swivel member.
Claim 17
Dependent Claim
36 words
The shoe sole as defined in claim 10 wherein said lubricating means comprises a first lubricating film on said upper surface of said swivel member, and a second lubricating film in engagement with said first film.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |