US PATENT SUBCLASS 440 / 92
.~ Having means to retract paddle or change paddle attitude

Current as of: June, 1999
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440 /   HD   MARINE PROPULSION

90  DF  PADDLE WHEEL {2}
92.~ Having means to retract paddle or change paddle attitude {1}
93  DF  .~.~> Having means to provide cyclic change of paddle attitude (e.g., Voith Schneider)

DEFINITION

Classification: 440/92

Having means to retract paddle or change paddle attitude:

(under subclass 90) Device wherein a means is provided to draw a paddle inside the wheel or to adjust the inclination of a paddle relative to the wheel.