RESEARCH PAPERS: Mechanisms Papers

Degrees of Freedom and Constraints in Geared and Belted Mechanisms

[+] Author and Article Information
Cemil Bagci

Tennessee Technological University, Cookeville, Tenn.

J. Eng. Ind 95(2), 598-602 (May 01, 1973) (5 pages) doi:10.1115/1.3438196 History: Received June 29, 1972; Online July 15, 2010


Further application of the general form of the mobility equation in identifying geared, belted, and chained mechanisms correctly, and in determining degrees of freedom in these mechanisms is illustrated. It is shown that the pair (gear tooth pair—GT ) at the point of contact of two mating gears is a class 1 pair; a loop formed by gear members, in which the center distance does not vary, experiences over closure of order one; loops including a belt and pulley, or a chain and sprocket, have the same properties as those including a gear and rack. Several planar, spherical, and spatial geared and belted mechanisms and cam mechanisms are tested for their mobility.

Copyright © 1973 by ASME
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