Stake coupler for a horizontal directional drill
US6276464A · kind A · utility
6Cited by
13References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2000 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Feb 10, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/046
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A coupling for quickly and easily attaching and detaching stakes from the drive head of a horizontal directional drill. The coupling includes an upper coupler member and a lower coupler member. The lower coupler member slides into the upper coupler member, and a pin in the upper coupler member rotates into opposed, horizontal slots in the lower coupler member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.