Ships – Mooring device – Ferry slip
Reexamination Certificate
2011-08-09
2011-08-09
Olson, Lars A (Department: 3617)
Ships
Mooring device
Ferry slip
C114S230160, C114S230180
Reexamination Certificate
active
07992508
ABSTRACT:
A docking mechanism comprises first and second units, operative to firmly attach and release a watercraft such as a ferry boat to a dock. This action can be produced by actuators that may be hydraulic or pneumatic actuators, or by other means such as manually actuated levers, electric motors or solenoids. A moveable locking piston acts to push locking cylinders or other locking members such as movable links against watercraft lock channels mounted upon the watercrafts. The apparatus results in very firm coupling of a watercraft to the dock, beneficially permitting ferry boats to load and unload cargo without keeping their engines running which wastes fuel and pollutes the environment. The lock channels on the watercraft are however configured to permit relative vertical motion between the watercraft and the latching assembly to account for water level changes and yet maintain very firm coupling of the watercraft to the dock.
REFERENCES:
patent: 1154133 (1915-09-01), Seltzer
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patent: 3442241 (1969-05-01), Daunis
patent: 4641598 (1987-02-01), Hodges
patent: 5542783 (1996-08-01), Pollack
patent: 5715770 (1998-02-01), Heyworth
patent: 6508190 (2003-01-01), Norton
patent: 6851380 (2005-02-01), Khoury et al.
Nathans Robert
Olson Lars A
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