F - Mech Eng,Light,Heat,Weapons – 16 – G
Patent
F - Mech Eng,Light,Heat,Weapons
16
G
59/13
F16G 13/18 (2006.01) F16G 13/00 (2006.01) F16G 13/12 (2006.01) F16G 15/06 (2006.01)
Patent
CA 1057513
DRAG CHAIN Abstract of the Disclosure A chain particularly useful for draglines in various type strip mining operations is disclosed. The chain is made up of individual, separately assembled links of generally a U-shape having spaced pin lugs at one end. The lugs have aligned pin eyes for holding a pin between them, which is received generally flush with the outside surfaces of the lugs. To prevent pin rotation and to prevent oblong wear in the pin eyes, the pin and the eyes have a flat surface on the side toward the open end of the U-shaped link. With the pin installed in the eyes, a keeper is welded onto the flat surface of the pin, extending between the two lugs to retain the pin in place. The units are assembled at 90° to one another, with a pin of one link passing through the next link. The body of the link may be of a more wear-resistant material than the pin so that the easily replaceable pin wears out first.
285569
Johnson Bruce C.
Mcbain Robert T.
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