Aircraft flight controller

• US 4,012,014 A
• Filed: 09/11/1975
• Issued: 03/15/1977
• Est. Priority Date: 09/11/1975
• Status: Expired due to Term

• Current Assignee: Mcdonnell Douglas Corporation (The Boeing Co.)
• Original Assignee: Mcdonnell Douglas Corporation (The Boeing Co.)
• Inventors: Marshall, Lawrence E.
• Primary Examiner(s): Blix, Trygve M.
• Assistant Examiner(s): Barefoot, Galen L.
• Application Number:
  US05/612,359
• Time in Patent Office: 551 Days
• Field of Search: 244/83 R, 244/83 F, 244/83 E, 244/83 B, 244/122 R, 244/122 AG, 74/471 R, 74/471 XY, 74/491, 74/523, 200/6 A, 297/115, 297/411
• US Class Current: 244/234
• CPC Class Codes: B64C 13/0421 control sticks for primary flight controls
• CPC Class Codes: Y10T 74/20201 Control moves in two planes
• CPC Class Codes: Y10T 74/20612 Hand

Abstract

An aircraft fly-by-wire flight controller requiring essentially only hand motion or rotation about a fixed center point residing in the centerline of the palm grip of the pilot'"'"'s hand to thereby avoid problems with arm movement, and wherein the flight controller consists of a formed grip to fit the grasp of the fingers and palm of the hand, permit finger and/or thumb access to all switches carried by the grip, and reduce fatigue by concentrating the fore and aft pitch control movement and the lateral roll control movement in the normal palm grip center point.

Claims

1. An aircraft flight controller for imparting signals to the aircraft attitude controls comprising:

a hand grip member, a universal joint device mounted within said grip member to locate the intersection of a plurality of aircraft attitude axes at substantially the center of the fist gripping said grip member, a fixed post supporting said universal joint device such that said hand grip member is free to swing relative to said post and in directions about any of said axes, and signalling devices operatively connected to said hand grip member at locations displaced from each other and from said intersection of said axes.

2. An aircraft flight controller comprising a post fixed in position by being secured at one end and having an opposite outer end, a frame supporting said one end of said post, a hand grip operatively connected to said opposite outer end of said fixed post to move relative to said fixed post and about a fixed point on said post defined by the intersection of two axes at right angles to each other, forearm cushion means carried by said frame in position to support the forearm generally perpendicular to one of said two axes and generally parallel with the other of said two axes, said cushion means being movable toward and away from said hand grip and being adjustable angularly relative to said fixed post, said hand grip having a skirt spaced from said fixed point and movable relative to said fixed post in either of two directions established by said two axes, means connected to said hand grip to limit the motion thereof about each axis and normally holding said hand grip in a neutral flight control position, and other means connected to said hand grip to translate the motion of said hand grip about said axes into flight control signals.

3. The flight controller of claim 2 wherein said hand grip is a hollow body representing an exterior surface formed to be grasped in the palm and fingers of a hand, and means in said hollow body forming the operative connection to said outer end of said fixed post.

4. The flight controller of claim 2 wherein said operative connection between said hand grip and said outer end of said fixed post is a thimble supporting said hand grip and a two-axis universal joint carried by said fixed post.

5. The flight controller of claim 2 wherein said operative connection between said hand grip and said fixed post outer end is a thimble having a flanged skirt supporting said hand grip, and means on said skirt oriented one with each of said axes forming a connection for said motion translation means.

6. An aircraft flight controller for imparting flight directing signals to control surfaces which govern pitch and roll functions of an aircraft, said controller comprising:

a post fixed at one end and extending to a free outer end, a hand grip member having a hollow interior open at one end, a joint device having a pitch axis and a roll axis operatively connecting said post outer end and the interior of said hand grip member with said latter member positioned with said post projecting into the hollow interior through the open end, pitch signalling means operatively connected to said hand grip member, and roll signalling means operatively connected to said hand grip member, said connections being made adjacent said open end of said hand grip member and in spaced apart relation to correspond with said respective axes of said joint device, whereby the operation of said hand grip to generate flight control signals is centered in tilting motion of said hand grip about the outer end of said fixed post substantially independent of the exertion of hand pull or push generally perpendicular to the axis of elongation of said fixed post.

7. An aircraft flight cntroller for generating flight control signals, said flight controller comprising an elongated support fixed in position and having an outer end, an elongated hand grip operably mounted over the outer end of said fixed support, and means responsive to the operation of said hand grip relative to said fixed support to transmit flight control signals, said hand grip supporting the center of the palm of the hand substantially at the outer end of said fixed support, whereby the operation of said hand grip to generate flight control signals is centered in tilting motion of said hand grip about the outer end of said fixed support substantially independent of the exertion of hand pull or push generally perpendicular to the axis of elongation of said fixed support.