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Air combat collective control head
| Details |
Inventors: Bivens, III, Courtland C.; Rogers, Edward;
Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC)
Primary Examiner: Grant; William
Assistant Examiner:
Attorney, Agent or Firm: Lamming; John H., Tischer; Arthur H., Lane; Anthony T.
An air combat control head with an extension provides a head for a collece control stick wherein system control switches may be located for easy access by the operator and an extension comprising a phenolic coated hand grip and a bottom tube component. The hand grip is offset laterally and longitudinally from the bottom tube component, and the head is canted back toward the operator, making the system control switches workable by the operator's thumb while the rest of the operator's hand grips the stick and maintains control of the collective pitch of the main rotor blades. The collective control head of the invention provides a controller that is comfortable for an operator to use, even in extended flight operations, and that reduces fatigue, discomfort and distraction while making system control operations easy and effective. |
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DETAILED DESCRIPTION A collective control stick head with extension primarily for rotorcraft is provided in this invention.
The head portion of the collective controller contains system control switches in a site readily accessible to an operator, permitting the operator to work the switches with the thumb while maintaining a grip on the collective controller.
The extension is conformed so that an operator may grip the collective controller and work system control switches, even for sustained periods of flight operations, and experience less fatigue, discomfort and distraction than with ordinary collective controllers with system control heads of the prior and related art.
The head may contain control switches for a variety of different systems, including those having utility, reconnaissance, transport, heavy lift, and weapons and combat functions.
The extension portion of the control head comprises a tube member and a hand grip member.
Electrical wiring runs from the control switches in the head through the hollow inside of the hand grip and the tube, through a root end tube, and having outlets where suitable.
The hand grip is offset laterally and longitudinally from the tube.
The lateral offset is in the range of 10.
degree.
to 20.
degree.
from the axis of the tube; the longitudinal offset is in the range of 8.
degree.
to 12.
degree.
from the axis of the tube.
The head is canted back (aftward longitudinally) toward an operator, to make the system control switches more accessible to the operator.
The tube is coaxial and concentric with a root end tube member which is connected to collective pitch control means which may be servo-mechanical, fiber optic, electronic, or otherwise.
The hand grip is conformed to the shape of the human hand, having contours for the hand and thumb.
Indentations for the fingers may be added optionally.
The grip will be made of or coated with a phenolic material which inhibits sliding of the hand, and provides superior grip feel and comfort.
Optionally ridges or grooves in any suitable pattern may be formed on the grip material further to inhibit sliding or similar unwanted movement of the hand
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