US PATENT SUBCLASS 433 / 132
.~.~.~.~ Rotary fluid turbine

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
103  DF  .~ Having motor or means to transmit motion from motor to tool (e.g., "engine") {10}
114  DF  .~.~ Hand-held tool or handpiece {9}
131  DF  .~.~.~ Having motor {1}
132.~.~.~.~ Rotary fluid turbine

DEFINITION

Classification: 433/132

Rotary fluid turbine:

(under subclass 131) Apparatus wherein the prime mover comprises a disc or shaft which is rotated about an axis by a current of fluid directed against a series of reaction surfaces formed or carried on the disc or shaft.

SEE OR SEARCH CLASS

415, Rotary Kinetic Fluid Motors or Pumps, appropriate subclasses for rotary fluid turbine motors, per se. See particularly

904, for a tool drive turbine art collection.

416, Fluid Reaction Surfaces (i.e., Impellers) appropriate subclasses for turbine rotor structure.