Pipe handling apparatus and method
US7918636B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2007 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Dec 16, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/155
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pipe handling apparatus has a boom pivotally movable between a first position and a second position, a riser assembly pivotally connected to the boom, an arm pivotally connected at one end to the first portion of the riser assembly and extending outwardly therefrom, a gripper affixed to an opposite end of the arm suitable for gripping a diameter of the pipe, a link pivotally connected to the riser assembly and pivotable so as to move relative to the movement of the boom between the first and second positions, and a brace having a one end pivotally connected to the boom and an opposite end pivotally connected to the arm between the ends of the arm. The riser assembly has a first portion extending outwardly at an obtuse angle with respect to the second portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.