Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1985-08-27
1987-03-10
Husar, Cornelius J.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405 87, 251112, E02B 746
Patent
active
046487425
ABSTRACT:
Illustrative embodiments of the invention are directed to a technique for raising and lowering large tainter gates. Typically, two groups of lifting apertures are formed in the gate. A lifting mechanism, resiliently mounted on the tainter gate pier, inserts a movable pin into an aperture in one of the two groups and draws the gate upwardly. A stationary pin on the lifting mechanism then is inserted into an aperture in the other of the two groups to absorb the gate load while the movable pin is withdrawn and moved to a new aperture in order to continue the step-wise lifting process.
To lower a gate, an essentially reverse procedure is followed.
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Hollis Darrell E.
Husar Cornelius J.
Stodola Nancy J.
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