Lifting rod

a vertical rod lifted by a rock shaft, and imparting motion to a puppet valve; - used in the engines of river steamboats.

See also: Lifting

References in periodicals archive ?
The first occurred when a periscope fell to the bottom of the scope well when the lifting rod nut backed off and caused the hydraulic fluid to vent off allowing the scope to fall.
To allow for transportation, the brickwork was laid on bases, concrete for the ground floor and steel plates elsewhere, which had a lifting rod attached, running the full height of the unit.