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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 251

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 251
634. THREE-POINT STRAIGHT-LINELINKAGE. Two links are on fixed pivots andpivoted to the triangular piece at half the lengthof the fixed pivots distance. The end of the tri-angular piece carries a tracer on the line of thefixed pivots. At three points in the double curvethe tracer crosses a straight… … 635. THREE-POINT STRAIGHT-LINELINKAGE. The radial bars are of equal length.The cross link is half the length between thefixed pivots with the tracer in its center. Thecenter and extreme points are in a straight line. 636. THE DEAD CENTER PROBLEM. Two cranks andtreadles with the driven crank at an…

Mechanical movements

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