B o fixed point © pivot P¹ A A linkage which draws the inverse of a given curve. It can also convert circular to linear

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B O Fixed Point Pivot P A A Linkage Which Draws The Inverse Of A Given Curve It Can Also Convert Circular To Linear 1 (25.97 KiB) Viewed 32 times

B o fixed point © pivot P¹ A A linkage which draws the inverse of a given curve. It can also convert circular to linear motion. The rods satisfy A B = CD and BC = DA, and O, P, and P' remain collinear while OPP' is kept parallel to A D. This condition holds automatically if AO/AB=AP/AD=CP' /BC. Coxeter (1969, p. 428) shows that if AO = μ A B, then OPXOP' = μ(1-) (AD²-AB²).