USPC 244/220

U.S. Patent Category 244/220 was for Pilot operated: Devices and arrangements comprising an aircraft control system having at least one manually movable part moved by a human pilot for operating or controlling an aircraft.

Category tree:

• USPC 244/75.1 Aircraft control: A device or arrangement to control an aircraft in flight.
  • USPC 244/220 Pilot operated control system: aircraft control system having a manually movable part moved by a human pilot for operating or controlling an aircraft.
    • USPC 244/221 Control System: 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.
      • USPC 244/222 Other than hand or foot actuated: movable part engaged by an operator's body portion not normally used for controlling an aircraft (i.e., hands or feet). The movable part may be a seat, a part thereof, or any other appurtenance engageable by the torso or limbs of an operator.
      • USPC 244/223 With feel: the part engaged by the human operator is provided with means for providing a physical sensation to the operator as it is being moved. The sensation is usually proportional to the force acting on the controlled structure (e.g., flaps, elevators, etc.).
      • USPC 244/224 With locking means: fastening for holding a movable aircraft control or other structure in an attitude or position.
      • USPC 244/225 With dual purpose surface structure (e.g., elevons): structural control part movable to perform plural aircraft control modes each of which being normally controlled by a separate structural control part. Included are control structures which may have an added or alternative movement to perform the function of another control structure, e.g., an aileron being made to act as a flap.
      • USPC 244/226 Fluid: fluid pressure device for transmitting movement of a manually movable part of a movable structural part.
        • USPC 244/227 With electric control: electric control circuitry to regulate a fluid power device.
      • USPC 244/228 Electric: electric motive means for transmitting movement of a manually movable part to a movable structural part.
      • USPC 244/229 Dual: operation of aircraft control systems from two or more stations in the aircraft.
      • USPC 244/230 With variable output: movable parts with relative movements which vary with respect to an operational parameter to alter the extent of movement of the structural part for a given movement of an operator controlled movable part.
      • USPC 244/231 With interengaging gearing: a movable part comprises toothlike or other projections about its periphery for cooperation with complementary surface configurations of another movable part, movement of one of the parts causing movement of the other.
      • USPC 244/232 With cable and linkage: movable parts comprise at least one elongate flexible member and at least one rodlike member connected thereto movable generally lengthwise for actuating a structural part or parts to guide the aeronautical machine. A bellcrank or other lever movable about a pivot is not considered to be linkage for classification here. See subclasses 221 and 231 for such pivoted structure combined with linkage or a cable, respectively, for moving aircraft control structure.
      • USPC 244/233 Cable: movable parts made up of an elongate flexible member connecting to a manually movable part and a structural part or a member integral with the structural part.
    • USPC 244/234: Controller: Apparatus comprising at least one movable part engageable by a human operator for operating the aeronautical machine or structure.
      • USPC 244/235 Rudder bar and pedal: under subclass 234. Apparatus comprising foot operated devices for controlling aircraft on land, sea, or in the air.
      • USPC 244/236 Electrical pickup: under subclass 234. Apparatus comprising means whereby movement of the manually engaged part is converted to an electric signal (e.g., strain gauge, inductance coil, switch, etc.).
      • USPC 244/237 Three-way steering, single control: under subclass 234. Apparatus comprises a single movable manually engageable part for controlling the movement of each movable structural part to control yaw, pitch, and roll of the aircraft.

References

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Enclosing categories	USPC 244/75.1
Subcategories	USPC 244/234
Keywords	Piloting, Control
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