A New Class of Six-Bar Mechanisms With Symmetrical Coupler Curves

[+] Author and Article Information
W.-B. Shieh, S. Azarm

Department of Mechanical Engineering, University of Maryland, College Park, Maryland 20742

L.-W. Tsai

Department of Mechanical Engineering, Institute for Systems Research, University of Maryland, College Park, Maryland 20742

A. L. Tits

Institute for Systems Research, Department of Electrical Engineering, University of Maryland, College Park, Maryland 20742

J. Mech. Des 120(1), 150-153 (Mar 01, 1998) (4 pages) doi:10.1115/1.2826668 History: Received January 01, 1996; Online December 11, 2007


A new class of six-bar mechanisms with symmetrical coupler-point curves is presented. This class of mechanisms is made up of a four-bar linkage with an additional dyad to form an embedded skew pantograph. Because the coupler curve generated at an output point is amplified from that of a four-bar, a compact mechanism with a relatively large coupler curve can be obtained. In addition, due to their structure arrangement, the analysis and synthesis of such mechanisms can be easily achieved. Finally, an example mechanism from this class is illustrated and compared with a four-bar linkage with the same coupler curve.

Copyright © 1998 by The American Society of Mechanical Engineers
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