link motion

link motion noun

1. a mechanism controlling the valves of a steam engine, consisting of a slotted link terminating in a pair of eccentrics

Examples from the Web for link motion Historical Examples of link motion

Stephenson’s link-motion valve-gear is used on most locomotives.

The Story of Great Inventions

Elmer Ellsworth Burns

Mr. Baldwin’s characteristic reply was, “Then they shall have link-motion hereafter.”

Illustrated Catalogue of Locomotives

M. Baird, et. al..