Ships – Building – Antifriction surfaces
Patent
1986-03-27
1988-04-05
Basinger, Sherman D.
Ships
Building
Antifriction surfaces
114263, B63B 2100
Patent
active
047351640
ABSTRACT:
A rapid boat docking and efficient loading/unloading apparatus is provided that utilizes an attachment system. The attachment system also serves as a gangplank in the preferred embodiment to attach the boat to the dock. The principal forces required to attach the boat to the dock are optionally part of the boat itself in the form of an air lifting system that holds the boat at a level higher than its waterline at rest so long as an air blower is in operation that supplies pressurized air to a chamber or recess on the underside of the boat. As blower power is reduced, the boat settles into its docking slip with the attachment system. The attachment system is located preferably at the bow on each side of the boat, and comes into contact with the dock as the boat lowers. In the preferred embodiment, attachment arms which are part of the boat have a half cylindrical track on their underside which fit into a mating socket track on the dock. Optional approaches utilize movable attachment arms that give even greater flexibility for rough sea docking requirements. The movable attachment arms also permit use of elements of this invention with boats that do not have the air lift capability. The attachment arms would typically also serve as gangplanks. The dock used is preferably of a floating type to compensate for tides and rough seas, and would normally be held in position by pilings that penetrate openings in the dock. The ends of the dock are best shaped to allow maximum entrance width for an incoming vessel.
REFERENCES:
patent: 2501310 (1950-03-01), Burbe
patent: 2511979 (1950-06-01), Goddard
patent: 3139059 (1964-06-01), Hanford, Jr.
patent: 3403652 (1968-10-01), Hardy
patent: 3473483 (1969-10-01), York
patent: 3820490 (1974-06-01), Greer
patent: 3990258 (1976-11-01), Ford
patent: 4070980 (1978-01-01), Shorter, Jr.
Basinger Sherman D.
Van Der Wall Robert J.
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