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US 6,698,371 B1Granted
Boat with personnel elevator apparatus
OwnerHarold A. Stoltzfusinventor
Life of this patent
Estimating the term…
Abstract
The apparatus is a boat with a device for lifting a worker up to a location under bridges for maintenance or inspection. The preferred embodiment of the invention is an outboard motor propelled catamaran with a scissors type lift elevator or aerial boom located approximately in the center of the boat. One or more outrigger pontoons that are partially filled with water stabilize the boat, and the pontoons are pivoted back aboard the boat and emptied for over the road transport of the boat.
Claims9
A boat comprising:
- a hull with a deck and a propulsion device;
- at least one pontoon deployable out from a side of the boat hull, with each pontoon being moveable onto a storage position aboard the boat;
- and
- a personnel elevator apparatus mounted on and attached to the boat;
- wherein with the pontoons stored aboard the boat, the personnel elevator apparatus lowered, and the boat loaded onto a trailer, the width and height of the combined boat and trailer are below legal road limits so that the trailer with the boat aboard can legally move over roads without special permits.
2 more elements
Dependencies are inferred from the claim text.