Patent US4466670A successfully refreshed from Google Patents.
US4466670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three piece wheel for vehicle tires
Assignee: Individual
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Filing: 1981-07-24
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Granted: 1984-08-21
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Expires: 2001-07-24
Abstract
Abstract According to this invention, there is provided a three piece wheel for vehicle tires comprising a disc and dual inner and outer rim and wherein the inner rim and the outer rim are at their radially directed bases secured by a fastening means to a disc mount connected to a hub through a plurality of spike members and the inner rim has an inwardly and axially curved portion formed integrally with the radially directed base thereof, characterized in that an annular V-shaped groove is defined between the inner and outer rims and is filled with a sealing material.
Inventors
- 👤 Yasutaka Kaji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:15
CPC Classifications
B; B60; B60B; B60B25/00; B60B25/22; B60B23/00; B60B23/06; B60B23/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
170 words
A three-piece wheel for vehicle tires comprising a disc defining an annular projecting mount extending about the perimeter thereof, an inner rim of integral construction defining an annular radial base portion extending parallel to said mount, an outer rim of integral construction defining an annular radial base portion disposed between, parallel to and in abutment with said mount and said base portion of said inner rim, a portion of said outer rim adjacent said base portion thereof defining a substantially "C"-shaped medial portion extending axially inwardly along a portion of said inner rim adjacent the base portion thereof, substantially perpendicularly from said base portion of said inner rim and axially outwardly therefrom to define an annular "V"-shaped groove extending between said inner rim and said medial portion of said outer rim, fastening means extending through the base portions of said inner and outer rims and said mount to secure said rims to said disc and an elastic sealing means disposed in said V-shaped groove to prevent air from passing therethrough.
Claim 2
Dependent Claim
170 words
A three-piece wheel for vehicle tires comprising a disc defining an annular projecting mount extending about the perimeter thereof, an inner rim of integral construction defining an annular radial base portion extending parallel to said mount, an outer rim of integral construction defining an annular radial base portion disposed between, parallel to and in abutment with said mount and said base portion of said inner rim, a portion of said outer rim adjacent said base portion thereof defining a substantially "C"-shaped medial portion extending axially inwardly along a portion of said inner rim adjacent the base portion thereof, substantially perpendicularly from said base portion of said inner rim and axially outwardly therefrom to define an annular "V"-shaped groove extending between said inner rim and said medial portion of said outer rim, fastening means extending through the base portions of said inner and outer rims and said mount to secure said rims to said disc and an elastic sealing means disposed in said V-shaped groove to prevent air from passing therethrough.
Claim 3
Dependent Claim
14 words
The combination of claim 1 wherein said sealing means is constructed of silicon resin.
References Cited (Backward Citations)
US1586545A
Cited
US1954757A
Cited
GB824462A
Cited
US3007507A
Cited
US3286757A
Cited
US3909065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-08-21 | 1988-02-20 | 1988-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-21 | 1992-02-20 | 1992-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-21 | 1996-02-20 | 1996-08-21 | $7700.00 | Window Closed / Lapsed |