Patent ID: 9328760
Filing Date: 2016-05-03
CPC Classification: E21B,F16B,Y10T

Claim Text:
1. A lock engagement mechanism in a rod section, the lock engagement mechanism being movable between a first position and a second position, the rod section comprising a pin end and a box end, the lock engagement mechanism comprising: a body located within the rod section; spring rods located within the body, the spring rods comprising an engagement point located at an end of the spring rods, wherein the engagement point protrudes from the pin end when the lock engagement mechanism is in the second position, wherein the spring rods bias the lock engagement mechanism in the second position; a removal drive rotationally connected to the spring rods for rotating the spring rods relative to the body; cams located in an end of the body wherein the spring rods are movable within the cams.