US3942571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire safety support
Assignee: Goodyear Tire and Rubber Co
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Filing: 1975-01-16
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Granted: 1976-03-09
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Expires: 1995-01-16
Abstract
Abstract A tire safety support for mounting on a wheel rim to support a pneumatic tire in a deflated condition including a ring member mounted on the wheel rim inside the tire. The ring member has a tread support portion spaced radially outward from the rim which is radially deflectable when a radial load is applied to a deflated tire. A deflection limiting member is mounted on a rim-engaging portion of the ring and extends radially outward to a supporting surface spaced a predetermined distance from the tread support portion of the ring member to limit deflection of the tread support portion upon deflation of the tire.
Inventors
- 👤 Louis Seelback Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
B; B60; B60C; B60C17/00; B60C17/04; B60C17/041
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
169 words
A tire safety support for use on a wheel rim to support a pneumatic tire mounted thereon in a deflated condition comprising a ring member mountable on a wheel rim inside the tire, said ring member including a rim-engaging portion, an axially extending tire tread support portion spaced radially outward from said rim-engaging portion for supporting a portion of the tire tread from the inside thereof when deflated, an intermediate portion joining said rim-engaging portion and said tread support portion, said tread support portion being radially deflectable when a radial load is applied thereto by a deflated tire, said ring member having at least one radial split extending therethrough to permit the ring to pass through the bead of the tire, a radially extending deflection limiting member mounted on said rim engaging portion and extending radially towards said tread support portion, said deflection limiting member having a radially outer supporting surface spaced a predetermined distance from said tread support portion to limit the deflection of said tread support portion.
Claim 2
Dependent Claim
169 words
A tire safety support for use on a wheel rim to support a pneumatic tire mounted thereon in a deflated condition comprising a ring member mountable on a wheel rim inside the tire, said ring member including a rim-engaging portion, an axially extending tire tread support portion spaced radially outward from said rim-engaging portion for supporting a portion of the tire tread from the inside thereof when deflated, an intermediate portion joining said rim-engaging portion and said tread support portion, said tread support portion being radially deflectable when a radial load is applied thereto by a deflated tire, said ring member having at least one radial split extending therethrough to permit the ring to pass through the bead of the tire, a radially extending deflection limiting member mounted on said rim engaging portion and extending radially towards said tread support portion, said deflection limiting member having a radially outer supporting surface spaced a predetermined distance from said tread support portion to limit the deflection of said tread support portion.
Claim 3
Dependent Claim
32 words
A tire safety support according to claim 1 wherein said radially outer supporting surface of said deflection limiting member further comprises the surface of a shoe mounted on said deflection limiting member.
Claim 4
Dependent Claim
52 words
A tire safety support according to claim 2 wherein said tread support portion has a radially inner surface with a generally frusto-conical configuration and said supporting surface of said deflection limiting member has a generally frusto-conical configuration to conform with said radially inner surface of said tread support portion upon engagement thereof.
Claim 5
Dependent Claim
31 words
A tire safety support according to claim 1 wherein fastening means connect the ends of said ring member at said radial split and said fastening means include said deflection limiting member.
Claim 6
Dependent Claim
83 words
A tire safety support according to claim 4 wherein said fastening means further comprises a pair of angle brackets mounted on said rim-engaging portion at said ends of said ring member, said angle brackets having radially extending legs disposed in abutting relationship, a removable fastener connecting said legs and at least one of said legs including said radially outer supporting surface spaced a predetermined distance from said tread support portion to limit the deflection of said tread support portion of said ring member.
Claim 7
Dependent Claim
109 words
A deflection limiting member for use on a radially deflectable tire safety support mounted on a wheel rim to support the tire in a deflated condition comprising an angle bracket having a curved base leg for mounting on a circumferentially extending surface of said support, a support leg extending from said base leg at an angle of substantially 90° to a plane tangent to the arc of the curve of said base leg and a shoe mounted on the end of said support leg for engagement by said tire safety support to limit the deflection of said tire safety support caused by forces acting on the tire during deflation.
Claim 8
Dependent Claim
109 words
A deflection limiting member for use on a radially deflectable tire safety support mounted on a wheel rim to support the tire in a deflated condition comprising an angle bracket having a curved base leg for mounting on a circumferentially extending surface of said support, a support leg extending from said base leg at an angle of substantially 90° to a plane tangent to the arc of the curve of said base leg and a shoe mounted on the end of said support leg for engagement by said tire safety support to limit the deflection of said tire safety support caused by forces acting on the tire during deflation.
Claim 9
Dependent Claim
33 words
A deflection limiting member according to claim 6 wherein said shoe extends outwardly from said support leg in a direction generally parallel to said plane tangential to the arc of said base leg.
Claim 10
Dependent Claim
49 words
A deflection limiting member according to claim 6 wherein said shoe has an outer surface for engagement by said tire safety support and said surface is sloped relative to the surface of said base leg to conform with the slope of the opposing surface of said tire safety support.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-09 | 1979-09-08 | 1980-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-09 | 1983-09-08 | 1984-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-09 | 1987-09-08 | 1988-03-09 | $7700.00 | Window Closed / Lapsed |