Pneumatic tire
US10647162B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 19, 2017 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Apr 21, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2011/039
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire includes a tread having main grooves extending in circumferential direction, and land portions partitioned by the main grooves. The main grooves include a pair of shoulder main grooves on tread edge sides, the land portions include a pair of shoulder ribs between the shoulder grooves and tread edges, rib has shoulder lug grooves extending from tread edge to axial direction inner side and having inner end terminated without reaching shoulder groove, and shoulder sipes extending from shoulder groove to axial direction outer side between adjacent lug grooves in the circumferential direction and having outer end terminated without reaching tread edge, and the ribs are forming such that circumferential direction length of first region between inner ends of sipe and adjacent lug groove is in range of 2 to 4 times circumferential direction length of second region between inner ends of sipe and the other adjacent lug groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.