parallel motion

American  

noun

1. a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.

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Etymology

Origin of parallel motion

First recorded in 1820–30

Example Sentences

At times, sound and image achieve an exhilarating synchronicity, as when stripes are hurtling across the screen and Reich’s instruments are racing in parallel motion.

From The New Yorker • May 20, 2019

Years later Watt told his son: "Though I am not over anxious after fame, yet I am more proud of the parallel motion than of any other mechanical invention I have ever made."

From Kinematics of Mechanisms from the Time of Watt by Ferguson, Eugene S.

A clever workman invented a means of producing this effect by the application of a parallel motion.

From Scientific American Supplement, No. 470, January 3, 1885 by Various

The indicator piston rod actuates an arm or line on the end of which is a pencil, which, by means of a parallel motion, is caused to move in a straight line.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

When playing in contrary motion all unevenness, all breaks in precision and all unbalanced conditions of touch become much more evident to the ear than if the same exercises were played in parallel motion.

From Great Pianists on Piano Playing Study Talks with Foremost Virtuosos. A Series of Personal Educational Conferences with Renowned Masters of the Keyboard, Presenting the Most Modern Ideas upon the Subjects of Technic, Interpretation, Style and Expression by Cooke, James Francis