Portable ice rescue craft

Details Portable ice rescue craft Portable ice rescue craft

2007-07-24

2007-07-24

Swinehart, Ed (Department: 3617)

Buoys, rafts, and aquatic devices

Water rescue or life protecting apparatus

For use over ice

C440S090000

Reexamination Certificate

active

11039974

ABSTRACT:
A portable ice rescue craft includes a plurality of locking raft sections that are foldable for storage and transport. A drive unit includes a drive wheel driven by an electric motor via a drive belt. The drive wheel may include a plurality of spikes configured to engage ice and a plurality of paddles that are centripetally urgeable outward to pull the rescue craft through water. A forward raft section may include a pair of outboard pontoons to provide stability and minimize lateral rocking. An aft raft section includes at least one rudder. A pair of rudders may be mounted to a plate on a pivoting, biased system. The rudders automatically fold upwardly when the ice rescue craft is on ice or land. The rudders automatically activate downwardly when the ice rescue craft is in water.

REFERENCES:
patent: 1905162 (1933-04-01), Ensenat
patent: 3371637 (1968-03-01), Woodall
patent: 5248271 (1993-09-01), Chu
patent: 5807153 (1998-09-01), Allen et al.
patent: 7137350 (2006-11-01), Waldock

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