Modular sheave

Details Modular sheave Modular sheave

1981-05-13

1983-12-20

Murtagh, John E.

Endless belt power transmission systems or components

Friction drive pulley or guide roll

Pulley or guide roll including circumferential...

474 33, F16H 5536

Patent

active

044214987

ABSTRACT:
A modular V-belt sheave which, in a specific embodiment, has two end modules and a hub connected to at least one of the modules and may have one or more intermediate modules and the modules are secured together by a plurality of tying members extending through aligned holes in the modules, the members preferably consisting of cast metal, such as aluminum, with heads on the opposite ends of the elements. The members are cast into the aligned holes and, as the members cool, they contract, holding the modules firmly together. A hub may be used which preferably has a radial member seating between two of the modules and having a plurality of holes for alignment with the holes in the modules and for receiving the tying members so that the members will rigidly secure the modules to the radial member. The end modules are identical to one another and the intermediate modules are identical to one another, and each of the end modules has an annular ridge on the inner side and the intermediate modules have an annular ridge on one side and an annular groove on the other to permit interlocking of the modules with one another when they are assembled together and mounted on the radial member of the hub. Sheaves with different numbers of grooves can readily be produced with only two different types of modules and a single type of hub or radial member.

REFERENCES:
patent: 2402743 (1946-06-01), Firth
patent: 2855787 (1958-10-01), Kumro et al.
patent: 3349470 (1967-10-01), Weglarz
patent: 4020937 (1977-05-01), Winter
patent: 4122586 (1978-10-01), Nothdurft

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