Vehicle wheels
US4800940A · kind A · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Jul 17, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B21/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle wheel rim is disclosed a pair of bead seats, and axially inwards of and adjacent to each bead seat a circumferentially extending tire toe engaging groove. There is a secondary bead retaining means between the bead seat and the groove comprising a hump having a height measured radially from the bead seat surface adjacent to the hump of 1 to 3.0 mm. The hump preferably has a steep surface on its axially outer edge. The resultant wheel still correctly seats a normal tire with the toe engaging the hump when the tire is deflated and correctly engages in a TD type of tire with the toe in the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.