Pivoting link fixture for heavy duty building construction machinery or lifting gear has safety plate claw embracing pivot bolt with two grooves

摘要

A building construction machine, lifting gear or similar has two parallel bearing plates linked by a hinge bolt (1) which is retained by fixed safety plates (2) which engage with the respective bearing plates. The bolt mantle in the safety plate area overlapping the bearing plate has two grooves back to back that accommodate locking pins. The claw ends (9) bend to embrace the bolt (1).