Heading machine having cutting unit made of disc tools
US8690262B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2009 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Jul 25, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D9/1006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a heading machine (1, 24) with at least one cutting unit with a rotatably mounted tool holder (10, 39) with disc tools (11, 12, 40, 41), which tool holder is connected in a pivotable manner to the machine frame, the heading machine (1, 24) has a running gear, in particular a crawler track (2), the tool holder (10, 39) is mounted rotatably on an arm (6, 26), which can be pivoted in the vertical direction and the rotational axis (9) of the tool holder (10, 39) runs transversely with respect to the longitudinal axis of the arm (6, 26).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.