Hybrid bit
US12065883B2 · kind B2 · utility
0Cited by
70References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2021 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Sep 28, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/5673
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A hybrid bit includes fixed blades and wheel support structures. The wheel support structure includes a wheel inserted into a slot between a leading support and a trailing support. One or more shims fill a gap between a flange and the leading supports. An elongated seal between the wheel and the supports is provided to seal the wheel support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.