Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 139
ton rod AG to the walking beam. The Links AB, BD, DE, andEA form a parallelogram, the link DB being called the back-link,and BA the parallel bar. The piston-rod head A is to be guidedso that its highest, middle, and lowest positions shall be in onestraight line; and this is effected by guiding in a… … Fia. 133. GEOMETRICAL PROPERTIES. 129 C; so that if the proportions of the parallel motion be such thatthe point 0 lies in a vertical straight Hne in the highest, middle,and lowest positions of the pump plunger, the proportions of thepantograph may be made such that the point A satisfies the…
Machinery, Kinematics of
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