Title: Sea crane tiedown

Abstract: A sea crane having a rotatable upper works mounted on a cylindrical pedestal with the upper works having a tiedown to the pedestal including an annular collar on the pedestal and a ring-like structure suspended from the upper works beneath the collar and mounted out of contact with both the collar and the pedestal. Tension links couple the bed of the upper works to the ring-like structure to prevent structural failure from bending the bed, or tilting and pulling the upper works either forward or backward from the pedestal.

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Inventors: Morrow, Sr., James G. (Manitowoc, WI, US)
Pech, David J. (Manitowoc, WI, US)

Application Number: 671315
Filing Date: 1976-03-29
Publication_date: 1977-03-15
Assignee: The Manitowoc Company, Inc. (Manitowoc, WI)
Primary Class(es): 212/309 212/253
Other Classes:
US Patent Ref:

1352575	Sep, 1920	Bingaman	212/70.
2109304	Feb, 1938	Ormsby	212/70.

Other Refs:
Primary Examiner: Spar, Robert J.
Assistant Examiner: Oresky, Lawrence J.
Attorney: Leydig, Voit, Osann, Mayer & Holt, Ltd.