Motor grader
US9644341B2 · kind B2 · utility
6Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2013 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Jun 17, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/844
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A circle rotator of a motor grader includes a worm, a worm wheel and a shaft. The worm wheel has an inner peripheral portion, an outer peripheral portion enclosing the inner peripheral portion from outside, and a plurality of first clutch discs to be spline-coupled to the inner peripheral surface of the inner peripheral portion. The inner peripheral portion is made of a material harder than a material of which the outer peripheral portion is made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.