Wheel rim
US4190092A · kind A · utility
11Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1977 |
| Grant date | Feb 26, 1980 |
| Priority date | — |
| Expiry date | Nov 3, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C15/0226
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wheel rim construction that cooperates with the tire bead seat to insure retention of the tire, even under a "run flat" condition. The bead seat portion of the rim is formed with a plurality of circumferentially extending radial projections that cause gripping of the tire bead to form a mechanical interlock between the projections and wheel flange. The radial projections are formed during the roll forming of the wheel rim by extruding the rim material into grooves in the upper finishing roll so that the permanently formed projections lie radially outward of the basic rim profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.