CRANE SUPPORT STRUCTURE
A support structure for an otherwise mobile crane in which a ring is secured to the lower car body of the crane, a plurality of arms are vertically pivoted on the car body and extended out beneath the ring at spaced points around the ring periphery, and jacks are carried at the ends of the arms whic...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A support structure for an otherwise mobile crane in which a ring is secured to the lower car body of the crane, a plurality of arms are vertically pivoted on the car body and extended out beneath the ring at spaced points around the ring periphery, and jacks are carried at the ends of the arms which, when extended, support the ring on the ground and lift the lower car body clear of the ground. |
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