Hose tensioner for a rock drill system
US8443916B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2009 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Dec 16, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rock drill system may include a support arrangement including a feed channel, a rock drill assembly movably associated with the feed channel, and a fluid conductor having a first end connected to the rock drill assembly and a second end associated with the support arrangement. The system may further include a tensioning arm pivotally coupled to the support arrangement, wherein the tensioning arm is engageable with the fluid conductor to tension the fluid conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.