Abstract: A spreader bar including two spaced apart opposite end portions, each end portion having a first connection point for connecting a lower hoist chain thereto and a second connection point for connecting an upper hoist chain thereto, said second connection point being spaced from said first connection point towards the opposite end portion by a first predetermined distance, said predetermined distance being selected such that in use an upper hoist chain connected thereto makes a smaller angle with the longitudinal axis of the spreader bar than would an upper hoist chain connected to the first connection point.
Type:
Grant
Filed:
February 24, 2017
Date of Patent:
June 23, 2020
Assignee:
2MT Mining Products Pty Ltd.
Inventors:
David Garnet John Conroy, Michael John Swinscoe, Gayan Asanga Perera