Heavy duty shackle

Details Heavy duty shackle Heavy duty shackle

1976-11-05

1978-03-21

Lanham, C.W.

Chain, staple, and horseshoe making

Chain making

Blanks and processes

59 86, B21L 1300, F16G 1506

Patent

active

040795845

ABSTRACT:
A heavy duty shackle for use under great loads, such as in anchor lines. The shackle is formed from a cylindrical bar rod by shaping the ends to a reduced diameter, and forging the central portion into a flattened shape having the cross-section of a wide shallow U shape. The bottom surface of the central section is in the form of a portion of a circular cylinder. The ends of the bar are flattened and a central opening is forged and based for a pin. The formed bar is then bent in the form of a bow to provide an eye for the shackle, with two parallel ears spaced a selected distance apart.

REFERENCES:
patent: 199073 (1878-01-01), Kinney
patent: 2420256 (1947-06-01), MacKenzie
patent: 2709616 (1955-05-01), Larson

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