Mineral winning pick, holder, and combination
US10458234B2 · kind B2 · utility
0Cited by
39References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Oct 5, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/188
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pick for mineral winning includes an elongate shank configured to be positioned into a cavity of a holder. A profile is defined on an outside surface of the shaft which includes a first surface formed into the profile and disposed to receive a leveraging device to enable a first forced translational movement of the shaft relative to the holder, and a second surface formed into the profile and disposed to receive the leveraging device to enable a second forced translational movement of the shaft relative to the holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.