US5404924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorcycle tire with spirally wound belt
Assignee: Sumitomo Rubber Industries Ltd
•
Filing: 1994-05-24
•
Granted: 1995-04-11
•
Expires: 2014-05-24
Abstract
Abstract A motorcycle tire which comprises a carcass (6) extending between tire bead portions (4), and a belt (7) disposed radially outside the carcass, wherein the belt (7) is formed by spirally winding at least two reinforcing members (11 and 12) having different elastic moduli so that the lower elastic modulus reinforcing member (11) and the higher elastic modulus reinforcing member (12) serially appear in the widthwise direction of the belt.
Inventors
- 👤 Toshifumi Yuze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:08
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/44; D02G3/48; B; B60; B60C; B60C9/00; B60C9/005; B60C9/18; B60C9/20; B60C9/2003; B60C9/2009; B60C9/22; B60C9/2204; B60C2009/2012; B60C2009/2029; B60C2009/2252; B60C2009/2295; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765; Y10T152/10774
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
164 words
A motorcycle tire comprising a tread portion having a tread profile curved so that the maximum cross section width of the tire lies between the tread edges, a carcass extending between tire bead portions, and a belt disposed radially outside the carcass, said belt having a central portion and a pair of lateral portions and each said portion being formed by spirally winding at least two reinforcing cords having different elastic moduli so that the reinforcing cords are disposed in a plurality of series in the widthwise direction of the belt, the reinforcing cords being wound compactly, wherein the central portion has a width L of 0.2 to 0.4 times the tread width, the ratio of the number of the lowest elastic modulus reinforcing cord to the number of the higher elastic modulus reinforcing cord is larger in the central portion of said belt than the lateral portions thereof, and the central portion is structurally separated from each of the pair of lateral portions.
Claim 2
Dependent Claim
164 words
A motorcycle tire comprising a tread portion having a tread profile curved so that the maximum cross section width of the tire lies between the tread edges, a carcass extending between tire bead portions, and a belt disposed radially outside the carcass, said belt having a central portion and a pair of lateral portions and each said portion being formed by spirally winding at least two reinforcing cords having different elastic moduli so that the reinforcing cords are disposed in a plurality of series in the widthwise direction of the belt, the reinforcing cords being wound compactly, wherein the central portion has a width L of 0.2 to 0.4 times the tread width, the ratio of the number of the lowest elastic modulus reinforcing cord to the number of the higher elastic modulus reinforcing cord is larger in the central portion of said belt than the lateral portions thereof, and the central portion is structurally separated from each of the pair of lateral portions.
Claim 3
Dependent Claim
15 words
The motorcycle tire according to claim 1 wherein the reinforcing cords have a rubber coating.
Claim 4
Dependent Claim
58 words
A motorcycle tire comprising a carcass extending between tire bead portions, and a belt disposed radially outside the carcass, said belt formed by spirally winding three reinforcing cords having different elastic moduli so that the three reinforcing cords are disposed in a plurality of series in the widthwise direction of the belt, the reinforcing cords being wound compactly.
Claim 5
Dependent Claim
58 words
A motorcycle tire comprising a carcass extending between tire bead portions, and a belt disposed radially outside the carcass, said belt formed by spirally winding three reinforcing cords having different elastic moduli so that the three reinforcing cords are disposed in a plurality of series in the widthwise direction of the belt, the reinforcing cords being wound compactly.
Claim 6
Dependent Claim
32 words
The motorcycle tire according to claim 3 further comprising a tread portion having a tread profile curved so that the maximum cross section width of the tire lies between the tread edges.
Claim 7
Dependent Claim
15 words
The motorcycle tire according to claim 3 wherein the reinforcing cords have a rubber coating.
Claim 8
Dependent Claim
111 words
A motorcycle tire comprising a tread portion having a tread profile curved so that the maximum cross section width of the tire lies between the tread edges, a carcass extending between tire bead portions, and a belt disposed radially outside the carcass, said belt having a central portion and a pair of lateral portions and each said portion being formed by spirally winding three reinforcing cords having different elastic moduli so that the reinforcing cords are disposed in a plurality of series in the widthwise direction of the belt, the reinforcing cords being wound compactly, wherein the central portion has a width L of 0.2 to 0.4 times the tread width.
Claim 9
Dependent Claim
111 words
A motorcycle tire comprising a tread portion having a tread profile curved so that the maximum cross section width of the tire lies between the tread edges, a carcass extending between tire bead portions, and a belt disposed radially outside the carcass, said belt having a central portion and a pair of lateral portions and each said portion being formed by spirally winding three reinforcing cords having different elastic moduli so that the reinforcing cords are disposed in a plurality of series in the widthwise direction of the belt, the reinforcing cords being wound compactly, wherein the central portion has a width L of 0.2 to 0.4 times the tread width.
References Cited (Backward Citations)
US4073330A
Cited
US4293019A
Cited
JPS56112304A
Cited
US5032198A
Cited
JPS6483406A
Cited
EP0335588A2
Cited
JPH0292705A
Cited
JPH0374205A
Cited
EP0400859A2
Cited
EP0414406A2
Cited
EP0422881A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-10 | 1998-10-10 | 1999-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-10 | 2002-10-10 | 2003-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-10 | 2006-10-10 | 2007-04-11 | $7700.00 | Window Closed / Lapsed |