Variable range apparatus for watercraft lift

Details Variable range apparatus for watercraft lift Variable range apparatus for watercraft lift

2005-12-20

2005-12-20

Olson, Lars A. (Department: 3617)

Ships

Vessel raising and docking

C405S003000

Reexamination Certificate

active

06976442

ABSTRACT:
The invention generally relates to an apparatus and method that allows the lifting range of a four-bar, ground-based watercraft lift to be adjustable. More particularly, it relates to a ground-based watercraft that that allows for the lifting range of a watercraft support structure to be adjustable relative to the base of a watercraft lift while also maintaining the lift's shallow water functionality.

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patent: 4468150 (1984-08-01), Price
patent: 5184914 (1993-02-01), Basta
patent: 5888019 (1999-03-01), Quastad
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patent: 5908264 (1999-06-01), Hey
patent: 5919000 (1999-07-01), Unkle
patent: 6318929 (2001-11-01), Basta
patent: 6575661 (2003-06-01), Phillips et al.
patent: 6830002 (2004-12-01), Walker
patent: 6848379 (2005-02-01), Ylipelkonen

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