Tread line scanner
US11709048B2 · kind B2 · utility
0Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2017 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Sep 27, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M17/027
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring tread depth of tyres, wherein in use a tyre can be driven over the device in a first direction, the device comprising: a light source arranged to illuminate the tyre; an obstruction extending in a second direction substantially perpendicular to the first direction and arranged to partially block the light emitted from the light source such that a shadow is cast on the tyre when the tyre is located above the device, and such that the shadow is cast on the tyre in a direction substantially perpendicular to the tread of the tyre; and a camera arranged to view an illuminated section of the tyre.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.