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walking beam

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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.
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Origin of walking beam

An Americanism dating back to 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for walking beam

Historical Examples

  • There were two of these, with square pistons and a walking-beam between them.

    Steam Steel and Electricity

    James W. Steele

  • The walking-beam heaved up and down with many a painful creak.

    Janice Day

    Helen Beecher Long

  • I am sorry to say that three were injured by the falling of the pieces of the walking-beam.

  • But at length, in 1844, the steam-whistle was introduced, and the "walking-beam boys" were left without occupation.

  • Steam was let in below this plunger, and the walking-beam with which it was connected by a rod had that end of it raised.