1981-06-15
1983-08-23
Blix, Trygve M.
Excavating
Peat excavators
E02F 900
Patent
active
043996230
ABSTRACT:
A dredge hull carries a first spud vertically slidable through a spud frame on a longitudinally slidable carriage, and a second spud vertically slidable through a spud frame on a fixed carrier. Each spud has lifting means for raising it vertically, locking means for locking it in raised position, and release means for releasing the locking means so the spud can drop and drive into the sea bed. With the second spud raised and the first spud dropped, advancing means move the hull forwards relative to the carriage. The lifting and locking means include a lifting plate above a locking plate, both apertured to receive the spud closely and permit its free passage when horizontal and lock it when tilted, the lifting plate being tilted when lifted hydraulically, the locking plate tilting gravitationally. When the lifting plate is lowered onto the locking plate, both are movable hydraulically to horizontal to let the spud drop.
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Blix Trygve M.
Brahan Thomas J.
Neumann Equipment Marketing Co. Pty. Ltd.
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