Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting
Patent
1981-03-03
1984-02-21
Corbin, David H.
Hydraulic and earth engineering
Marine vessel portage, launching, or removing
Lifting
405221, B63C 306
Patent
active
044326645
ABSTRACT:
A boat hoist comprising a column, a tubular hoist slidable vertically, on said column, a boat cradle on said hoist, shore reinforcement means to anchor an upper part of said column to the shore, and a power unit connecting said column and hoist.
REFERENCES:
patent: 3177668 (1965-04-01), Schneider et al.
patent: 3276211 (1966-10-01), Drake
patent: 3284052 (1966-11-01), Godbersen
patent: 3841441 (1974-10-01), Klinkhammer et al.
Corbin David H.
Duraline Products Corporation
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