On the Multiple Generation of Coupler-Curves

[+] Author and Article Information
Bernard Roth

Department of Mechanical Engineering, Stanford University, Stanford, Calif.

J. Eng. Ind 87(2), 177-183 (May 01, 1965) (7 pages) doi:10.1115/1.3670789 History: Received June 29, 1964; Online December 08, 2011


The existence of different linkages which generate identical coupler-curves is investigated. For a certain class of mechanisms, the skew pantograph is shown to be the basis for obtaining cognates. An analytical approach, applicable to linkages which generate algebraic curves, is discussed and applied to geared five-bars with gear ratio +1, +1/2, −1.

Copyright © 1965 by ASME
Topics: Linkages , Gears , Mechanisms
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