Circuit Rectification for Four Precision Position Synthesis of Four-Bar and Watt Six-Bar Linkages

[+] Author and Article Information
J. A. Mirth

Department of Engineering, University of Denver, Denver, CO 80208

T. R. Chase

Mechanical Engineering Department, University of Minnesota, Minneapolis, MN 55455

J. Mech. Des 117(4), 612-619 (Dec 01, 1995) (8 pages) doi:10.1115/1.2826729 History: Received October 01, 1993; Revised February 01, 1995; Online December 11, 2007


The circuit defect arises in precision position based linkage synthesis when a potential solution linkage cannot be moved between all precision positions without disassembly. Circuit rectification consists of reducing the potential solution space to include only those linkages that are free of the circuit defect. Circuit rectification for four precision position synthesis of Watt six-bar linkages is developed here. Circuit rectification of four-bar linkages is refined in the process. An example demonstrates the synthesis of a new Watt I sofa bed linkage free of the circuit defect.

Copyright © 1995 by The American Society of Mechanical Engineers
Topics: Linkages , Circuits
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