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SLIDER-CRANK MECHANISM WITH EQUAL CRANK AND CONNECTING-ROD LENGTHS AND WITH A STOP

The lengths of the links comply with the condition: A͞B=B͞C=B͞D. Point D travels along straight line c-c. Stops a and b are provided to eliminate uncertainty of motion of the mechanism when it passes through its uncertain (dead-centre) position. The motion of connecting rod 2 can be reproduced by the rolling of circle d without slipping around fixed circle e, the radii of the circles being in the …