Device with a Plug type Fishing device, comprising An elongated Body, at least a Lifting Ear, means of Elevation deviation of PIN, at least one pin Locking means of diversion of Locking Lug, and a coupling Element, and Method for operating a di Spositivo plug; Lug Lifting and swivelling.

摘要

A fail safe locking overshot device. The overshot device is connected to a hoisting line for retrieval of a spearhead. The device provides automatic engagement of a mechanical locking system through locking dogs for locking the lifting dogs after capture of a spearhead. Manual disengagement is required to unlock the lifting dogs and release the spearhead.