Patent ID: 7918636
Filing Date: 2011-04-05
Classification: E21B

Abstract:
1. A pipe handling apparatus comprising: a boom pivotally movable between a first position and a second position, said first position of said boom being generally horizontal; a riser assembly pivotally connected to said boom, said riser assembly having a first portion extending outwardly at an obtuse angle with respect to a second portion; an arm pivotally connected at one end to said first portion of said riser assembly and extending outwardly therefrom; a gripper carried by an opposite end of said arm, said gripper configured to grip the pipe and having a vertical orientation when said boom is in said second position; a link pivotally connected to said second portion of said riser assembly, said link pivotable at an end of said second portion opposite of said first portion so as to move relative to the movement of said boom between said first and second positions; and a brace having a one end pivotally connected to said boom and an opposite end pivotally connected to said arm between said ends of said arm.