Cable bolt head
US6056482A · kind A · utility
14Cited by
29References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1996 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Jan 11, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D21/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plurality of designs for mine roof bolts is disclosed. Each mine roof bolt includes a flexible multi-strand cable having a first and second end with a drive head formed on the first end, the drive head having a plurality of driving faces on an exterior surface thereof. The drive head may be formed integrally with the multi-strand cable in one embodiment of the present invention. An alternative embodiment of the present invention forms a drive head as a separate member. With a separate drive head, a barrel and wedge assembly may be attached to the cable wherein the drive head is utilized substantially for rotating the cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.