walking beam

noun

, Machinery.

1. an overhead oscillating lever, pivoted at the middle, for transmitting force from a vertical connecting rod below one end to a vertical connecting rod, pump rod, etc., below the other end.

Word History and Origins

Origin of walking beam¹

An Americanism dating back to 1835–45

Example Sentences

As the shot had hit the walking-beam of the steamer, it was not probable that she was seriously injured in her hull, if at all.

From Project Gutenberg

One end of the walking-beam reaches to the center line of the well, where it connects with the pump shaft.

From Project Gutenberg

The other end of the walking-beam is operated by a pitman shaft connecting with a crank wrist pin near the ground.

From Project Gutenberg

Another swivel connects the upper end of the pitman shaft with the walking-beam.

From Project Gutenberg

The rods are suspended from a heavy “walking beam” or lever, usually oscillated by a steam engine.

From Project Gutenberg