US PATENT SUBCLASS 244 / 221
.~.~ Control system

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
220  DF  .~ Pilot operated {2}
221.~.~ Control system {11}
222  DF  .~.~.~> Other than hand or foot actuated
223  DF  .~.~.~> With feel
224  DF  .~.~.~> With locking means
225  DF  .~.~.~> With dual purpose surface structure (e.g., elevons)
226  DF  .~.~.~> Fluid {1}
228  DF  .~.~.~> Electric
229  DF  .~.~.~> Dual
230  DF  .~.~.~> With variable output
231  DF  .~.~.~> With interengaging gearing
232  DF  .~.~.~> With cable and linkage
233  DF  .~.~.~> Cable

DEFINITION

Classification: 244/221

Control System:

(under subclass 220) Apparatus comprising an aeronautical machine having an arrangement of structural and other movable parts, at least one movable part being movably engaged by a human operator for moving a structural part for guiding the aeronautical machine or structure thereby.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

491+, for hand operated control lever and linkage systems.