Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting
Patent
1986-06-20
1987-12-22
Stodola, Nancy J.
Hydraulic and earth engineering
Marine vessel portage, launching, or removing
Lifting
405 1, 114 44, 114262, B63C 306
Patent
active
047143754
ABSTRACT:
A watercraft lift supported on one or a pair of stanchions that include a sleeve assembly mounted for slidable movement on the stanchions. A platform is mounted on forks carried by a cross arm inserted into the sleeve assemblies which protrude out from the stanchions. Upright members mounted on the platform carry fender members.
In a modified form of the invention a single stanchion with a similar sleeve assembly, a cross arm and twin forks, lifts a floating dock.
In a further modified form, a single stanchion with a similar sleeve assembly, a cross arm and twin forks, lifts a non-floating dock.
In still another modified form a single stanchion with a sleeve assembly cross arm and twin forks carries a spaced frame for receiving a seaplane.
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Nahas Randall E.
Stevenson Ernest W.
Cypher James R.
Levitator, Inc.
Stodola Nancy J.
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