Method of manufacturing elevator links and a cast elevator link

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

1975-12-10

1976-12-14

Mehr, Milton S.

Chain, staple, and horseshoe making

Chain making

Blanks and processes

59 90, 59 30, B21L 1700, B22D 2502

Patent

active

039967379

ABSTRACT:
A method of making a one-piece elevator link having a shank with an eye at each end 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 oversize shank portion may be machined to reduce its diameter before it is forged or otherwise hot worked, whereby castings 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.

REFERENCES:
patent: 1756376 (1930-04-01), Moore
patent: 1779895 (1930-10-01), White
patent: 1810978 (1931-06-01), Moore
patent: 2822663 (1958-02-01), Lutts
patent: 3461666 (1969-08-01), Burstall

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