Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Portable ice rescue craft










Image Number 8 for United States Patent #7247070.

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.








 
 
  Recently Added Patents
Handbag
Dot templates for object detection in images
Methods for enhancing tantalum filament life in hot wire chemical vapor deposition processes
Apparatus for controllable delay cell and associated methods
Method of measuring the flux of a soil gas
Polar nematic compounds
Imaging apparatus for calculating a histogram to adjust color balance
  Randomly Featured Patents
Apparatus and method for generating a sequence of sines or cosines
Poly(ethylenically unsaturated alkoxy) heterocyclic protective coatings
Method for analysis of three organic additives in an acid copper plating bath
Method and apparatus for patient protection against vessel rupture from balloon-tipped catheters
Dispersion for applying solid particles on surfaces by an electrophotographic process
Wave motion absorbing offloading system
Electro-optical rotary coupling suitable for tape scanners
Class of proteins for the control of plant pests
Generator and compactor adaptor for low power divided scan path
Saw