Device for sliding and floating a boat lift

Details Device for sliding and floating a boat lift Device for sliding and floating a boat lift

1989-03-23

1991-05-21

Swinehart, Ed

Ships

Vessel raising and docking

Floating dry docks

114345, 114263, B63C 102

Patent

active

050166859

ABSTRACT:
The present invention is a device for attachment to the leg of a boat lift, wherein the device has a housing with a lower surface of substantial area and an air entrapment volume therein; the air entrapment volume is coupled via a connectable air step to an air hose which connects to an air valve. A source of pressurized air is coupled to the air valve.

REFERENCES:
patent: 2151394 (1939-03-01), Rogers
patent: 3268208 (1966-08-01), Feilbach et al.
patent: 3284052 (1966-11-01), Godbersen
patent: 3537412 (1970-11-01), Henderson
patent: 3648314 (1972-03-01), Garrison
patent: 4018179 (1977-04-01), Rutter
patent: 4072119 (1978-02-01), Williams
patent: 4280429 (1981-07-01), Wells

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