Ships – Vessel raising and docking
Reexamination Certificate
2007-11-27
2007-11-27
Olson, Lars A. (Department: 3617)
Ships
Vessel raising and docking
C405S003000
Reexamination Certificate
active
11591134
ABSTRACT:
A boat lift transportation assembly for boat lifts is attachable to and removable from any cantilever boat lift. It comprises a steerable front lever that is positioned adjacent the front upper and lower cross-members of the boat lift and left and right rear levers positioned adjacent the rear upper and lower cross-members. Each lever has a wheel on the bottom so that the boat lift is automatically placed on wheels when the boat lift is raised, provided the levers have been positioned previously. Besides the wheel on the bottom, each lever has a height adjustable beam having a lower and upper hook. The boat lift's lower cross-members sit on the rest areas of the lower hooks and the boat lift's upper cross-rnembers are restricted by the upper hooks.
REFERENCES:
patent: 4027492 (1977-06-01), Carpenter
patent: 4318632 (1982-03-01), Fortmeyer
patent: 5562362 (1996-10-01), Vezner
patent: 5687663 (1997-11-01), Wahlstrand
Horowitz Steven
Olson Lars A.
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