Method of manufacturing elevator links and a cast elevator...

Details Method of manufacturing elevator links and a cast elevator... Method of manufacturing elevator links and a cast elevator...

B - Operations, Transporting

21

L

59/1, 148/10, 59

B21L 99/00 (2009.01) B21K 1/72 (2006.01) B22D 25/02 (2006.01) F16G 15/00 (2006.01)

Patent

CA 1042670

ABSTRACT OF THE DISCLOSURE A method of making a one-piece elevator link having a shank with an eye at each involving the steps of casting from alloy steel a link blank having an oversize shank portion, forging or swaging the shank portion to reduce its diameter and correspondingly elongate it, and heat treating and drawing the forged or swaged blank to enhance its physical and mechanical properties. The eyes are cast in their final form. The over- size shank portion may be machined to reduce its diameter before it is forged or otherwise hot worked, whereby casting of but one size may be used in the production of elevator links of varying lengths. A cast elevator link blank to be hot worked into an elevator link of final form.

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