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Friction Wheels with Transverse Axes and Grooved Wheel
In distinction to the other friction wheel mechanisms in this series, the axes of the two wheels are transverse to one another at an angle of 90 degrees. A single groove is placed in the smaller diameter wheel with a 'vee' shaped geometry. The groove allows a larger contact area as well as permits the required normal force to be created with either forces along or transverse to either wheel axis. A toothed wheel solution to crossed axes motion would require bevel gears. Reuleaux called this particular device a "conical friction wheel" and the general class of friction wheels, "force closed" mechanisms. [Francis Moon, 2003-07-01]
Sibley School of Mechanical and Aerospace Engineering, Cornell University
The Kinematic Models for Design Digital Library (KMODDL). Cornell University. http://kmoddl.library.cornell.edu/ (released 2003).
SubjectKinematics of Machinery
Gustav Voigt Werkstatt
Photography credit: Jon Reis (www.jonreis.com). Jon Reis Photography grants Cornell University Libraries and the Cornell College of Engineering the rights to display copyrighted images of the Reuleux collection of kinetic machines on the Cornell University and National Science Digital Library web sites and for unlimited use in Cornell University Library publications for education purposes only. Rights for all other uses, including but not limited to, editorial, commercial, advertising, web use and display by third parties not affiliated with Cornell University are reserved by the photographer.
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