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US 6,190,222 B1Granted
Thin ice inflatable rescue ladder
OwnerDavid Sengerinventor
Life of this patent
Estimating the term…
Abstract
A rescue ramp is provided having a dual lobed, hinged inflatable ramp having two pairs of spaced inflatable tubes and a flexible floor mounted between each and connecting the tubes. A rope ladder is mounted to the floors of the lobes.
Claims4
A inflatable rescue ramp comprising:
- a first pair of spaced inflatable tubes having an inner side;
- a flat, flexible first floor connected to each said first tube and having an inner side and an outer side, said first floor extending between said inner sides of said tubes and defining a passageway between said tubes;
- a second pair of spaced inflatable tubes having an inner side;
- a rope ladder element, said rope ladder element mounted to said first floor and said second floor within said passageway formed between said tubes, wherein said rope ladder element is mounted only along a lowermost portion of the ramp for provided the combined features of providing a gripping and climbing surface for the rescue victim, while at the same time remaining out of the way for the rescuers;
- a flat, flexible second floor connected to each said second tube and having an inner side and an outer side, said second floor extending between said inner sides of said second tubes and defining a passageway between said tubes;
- and wherein said first floor is linearly aligned with and hingedly affixed to said second floor forming a dual lobed rescue ramp.
3 more elements
Dependencies are inferred from the claim text.