A vacuum lifter of this disclosure includes a spreader bar having a lifting lug at a top end and pad hanger locations at a bottom end; a pair of legs rotatably connected at a corresponding end of the spreader bar, each leg including a foot at a lower end of the leg; each leg having a first locking position in which the foot is below the spreader bar and a second locking position in which the foot is above the spreader bar; and a pair of vacuum pads adapted for connection to a vacuum source and to the pad hanger locations of the spreader bar. The spreader bar may be extendable. The vacuum source may be mounted on the spreader bar. The vacuum lifter is useful for lifting objects out of confined spaces below grade.
VACUUM LIFTER FOR LIFTING OBJECTS LOCATED IN CONFINED SPACES BELOW GRADE
2024-04-11
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
VACUUM LIFTER FOR LIFTING OBJECTS LOCATED IN CONFINED SPACES BELOW GRADE
European Patent Office | 2024
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