The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 1988
Filed:
Mar. 25, 1986
Denis E Duppong, Cedar Rapids, IA (US);
Richard L Brandt, Cedar Rapids, IA (US);
David M Mick, Cedar Rapids, IA (US);
Leland M Rieck, Cedar Rapids, IA (US);
FMC Corporation, Chicago, IL (US);
Abstract
The multipurpose vehicle of the present invention is designed to operate in and around dry docks and wharfs and its capable of lifting and moving propellers from propeller shafts within areas confined by a ship's rudder and to carry the propeller to an area away from the ship to be lifted to the wharf by crane. The propellers may weigh as much as 75,000 pounds and be 23 feet in diameter. The vehicle may also be used to accurately position keel blocks and haul blocks weighing up to 25,000 pounds in positions to support a ship. The vehicle may be lifted by crane out of dry dock to test padeyes for safety and certification by applying up to a 50,000 pound pulling force to the payeyes. The vehicle's upper arm can be extended to about 40 feet high or can be lowered to a level permitting the vehicle to pull or carry articles into buildings on the wharf.