Watercraft lift assembly

Details Watercraft lift assembly Watercraft lift assembly

2001-10-18

2002-10-29

Avila, Stephen (Department: 3617)

Ships

Vessel raising and docking

C114S048000, C405S003000

Reexamination Certificate

active

06470816

ABSTRACT:

BACKGROUND AND SUMMARY OF THE INVENTION
The present invention is directed to novel watercraft lift assemblies comprising, in certain embodiments, single motor and dual motor/winch assemblies secured to the dock-side portion of the support structure. The present invention does not require the use of top frames for carrying cable shafts necessary to lift the frame supporting the watercraft.


REFERENCES:
patent: 4686920 (1987-08-01), Thomas
patent: 5051027 (1991-09-01), Horton
patent: 5772360 (1998-06-01), Wood, II
patent: 5915877 (1999-06-01), Sargent et al.
patent: 5988941 (1999-11-01), Sargent et al.
patent: 6174106 (2001-01-01), Bishop et al.
patent: 6230639 (2001-05-01), McLaughlin et al.
“Elevator Lifts-The Most Advanced Boat Lifts in the World!” brochure.
“Flat Plate Lifts-The Most Advanced Boat Lifts in the World!” brochure.

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