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

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

When beam-engines were universally used for pumping, this parallel motion was of great advantage.

From James Watt by Carnegie, Andrew

This species of packing answers very well when the parallel motion is true, and the piston rod free from scratches, and it accomplishes a material saving of tallow.

From A Catechism of the Steam Engine by Bourne, John, C.E.

More commonly, however, the desired end is attained by means of a contrivance called the parallel motion.

From A Catechism of the Steam Engine by Bourne, John, C.E.