Grader bit
US11092008B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 3, 2019 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Dec 3, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C23/127
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A grader bit comprising a tool end having a shank extending axially inward therefrom; the shank having a circular cross-section; wherein a first shoulder extends radially outward relative to the shank and is located axially inward of the tool end; a second shoulder extending radially outward relative to the shank is located axially inward of the first shoulder, wherein the first shoulder and second shoulder are separated from each other by a spacing; the shank including a boss at an axial inward end thereof, the boss defining a socket extending inward into the shank from the axial inward extremity of the shank, wherein a perimeter of the socket includes at least one facet against which a force is applied to cause rotation of the shank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.