limited-rotation hydraulic actuator

limited-rotation hydraulic actuator

[′lim·əd·əd rō¦tā·shən hī¦drȯ·lik ′ak·chə‚wād·ər]
(mechanical engineering)
A type of hydraulic actuator that produces limited reciprocating rotary force and motion; used for lifting, lowering, opening, closing, indexing, and transferring movements; examples are the piston-rack actuator, single-vane actuator, and double-vane actuator.
References in classic literature ?
He had early learned that it was wise to get along well with sea-cooks, since sea-cocks were notoriously given to going suddenly lunatic and slicing and hacking up their shipmates with butcher knives and meat cleavers on the slightest remembered provocation.