Link for continuous chains

Details Link for continuous chains Link for continuous chains

1978-08-07

1980-04-22

Husar, Francis S.

Chain, staple, and horseshoe making

Chains

Ornamental

74245C, 74250C, 74251C, F16G 1318

Patent

active

041988132

ABSTRACT:
Link unit of the U-shaped type for use in making continuous chains by interfitting connection with pintles of the base segment of the unit between and to the spaced leg segments of a preceding unit in the chain wherein the leg segments of the units are provided at their ends with slotted bosses for receiving a connecting pintle, the boss slots are adapted to receive plug welds to rigidly weld and attach a connecting pintle to the bosses, and outwardly extending arms are positioned on the leg segments of the link unit forward of and adjacent to the leg segment bosses. In preferred embodiments the plug weld slots are positioned on the rear faces of the leg segment bosses to minimize shear on the plug weld. The link is interchangeable with links in existing chain systems and has improved investment and operating cost characteristics and improved strength and wear properties.

REFERENCES:
patent: 344178 (1886-06-01), Garland
patent: 542952 (1895-07-01), Whiteley
patent: 882317 (1908-03-01), Howe
patent: 2444812 (1948-07-01), Crowley
patent: 3665704 (1972-05-01), Trudeau

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