Abstract: A tank car lifting apparatus is provided. The lifting apparatus can include a spreader beam, a first arm rotatably connected to the spreader beam, a second arm rotatably connected to the spreader beam, and a synchronizing linkage to synchronize movement of the first arm and the second arm such that the first arm and the second arm move at the same time.
Type:
Grant
Filed:
January 18, 2017
Date of Patent:
December 11, 2018
Assignee:
CRANEMASTERS, INC.
Inventors:
Barry Isringhausen, Britt Calloway, Jonathan Dip