Long life modular link belts suitable for abrasive environments

Endless belt power transmission systems or components – Positive drive belt – Belt formed of rigid links

Patent

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Details

474207, F16G 1304

Patent

active

051258749

ABSTRACT:
Improved articulation structure is provided for pivoting links of a modular belt, namely a hinge strip of flexible material such as a thermoplastic elastomer and mating receptacle aperture slots in link ends. The modular links are all alike with flared ends in the slots permitting the hinge strip to flex a limited angle without frictional rubbing with the links. The slots have limited constant widths facing outwardly to prevent movement of the hinge strip in a direction perpendicular to the surface of the belt. Staggered end fingers of the links are half the thickness of a central body portion which provides a smooth top surface without apertures for interdigitation with similar end to end links. This construction is particularly useful for operation in abrasive conditions where wear on conventional pivot pins would significantly reduce belt life.

REFERENCES:
patent: 728390 (1903-05-01), Graham
patent: 1004389 (1911-09-01), Dodge
patent: 1094200 (1914-04-01), Dodge
patent: 2266688 (1941-12-01), Keller
patent: 2987332 (1961-06-01), Bonmartini
patent: 3344907 (1967-10-01), Van Valkenburgh
patent: 3503579 (1970-03-01), Kurlandsky
patent: 4140025 (1979-02-01), Lapeyre
patent: 4625507 (1986-12-01), Moritz

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