Material or article handling – Load support has linear vertical movement and additional...
Patent
1983-05-09
1985-10-01
Siemens, Terrance L.
Material or article handling
Load support has linear vertical movement and additional...
414401, 414541, 414584, 114 65R, B63B 300
Patent
active
045443220
ABSTRACT:
The present disclosure is directed to an apparatus for removing or replacing a ships underwater propulsion shaft in a dry dock and transporting it from the ship to a work area. It has a mobile vehicular frame and a pair of spaced apart main cylinder ram lifts pivoted at their base to the vehicular frame, each lying beneath a primary and secondary shaft support for carrying the shaft to be removed. The shaft receiving and removing means is mounted at the upper ends of said main cylinder ram lifts. Auxiliary tilt cylinder and ram means each having one end pivoted to said vehicular frame and the other end pivotally connected to tilt the main cylinder and ram lifts toward and away from the ships part to be removed from or replaced on the ship. Hydraulic units are carried by said vehicular frame for raising and lowering the vehicular frame upwardly toward and downwardly away from the ship and hydraulic units for longitudinally shifting said vehicular frame forwardly or rearwardly along the major axis of the ship are provided to align the shaft receiving means with the vehicle and to remove it.
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