US2318833A - Airplane control - Google Patents
Airplane control Download PDFInfo
- Publication number
- US2318833A US2318833A US431287A US43128742A US2318833A US 2318833 A US2318833 A US 2318833A US 431287 A US431287 A US 431287A US 43128742 A US43128742 A US 43128742A US 2318833 A US2318833 A US 2318833A
- Authority
- US
- United States
- Prior art keywords
- stick
- rudder
- shaft
- pin
- ailerons
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
- B64C13/26—Transmitting means without power amplification or where power amplification is irrelevant
- B64C13/28—Transmitting means without power amplification or where power amplification is irrelevant mechanical
- B64C13/30—Transmitting means without power amplification or where power amplification is irrelevant mechanical using cable, chain, or rod mechanisms
Definitions
- 'My invention relates to improvements in airplane control means, and particularly to an improved arrangement wherein the three main control elements of the airplane, that is, the elevators, rudder and ailerons, may be operated all by the hands alone,,or through adjustments, so that the rudder is operated by the feet and the ailerons by the hands, and the primary object of my invention is to provide a simple and mechanically efiicient arrangement of this character.
- Figure 1 is a general perspective schematic view showing an arrangement inaccordance with the present invention adjusted so that operation of the stick controls the elevators, the rudder, and the ailerons of the airplane.
- Figure 2 is a fragmentary enlarged sectional elevational view showing the removable pin in place to adjust the arrangement so that operation of the stick controls the elevators, the rudder, and the ailerons, the pin being removable to disconnect the stick from the rudder so that the rudder may be operated by the feet without interfering with the operation of the stick.
- Figure 3 is a perspective view of the rear clutch member.
- Figure 4 is a-rear elevational view of the clutch element lever.
- Figure 5 is a perspective view of the front clutch element.
- numerals 5 and 6 refer to the rear and front cross tubes of the fuselage frame work under the cabin or cockpit of the airplane. Intermediate portions of the cross tubes 5 and 6 have the corresponding journal brackets I and 8 rising therefrom in whichv the longitudinal horizontal tube 9' is rotatably supported.
- the stick which is generally designated I'll has a clevis portion II at its lower end which is pivoted to opposite sides of the rear end of the tube 9 as indicated by the numeral l2.
- the longitudinal tube I3 leading from the elevators (not shown) is pivotally connected to the stick I9 above the clevis H by a similar clevis it connected at I5, the elevators thereby being operated by a forward and backward motion of the stick I.
- transverse tubes 86 and H leading from the ailerons have respective bars l8 and I9 projecting front ends of the rearwardly projecting brackets 26 and 2'! which are secured to the front side of the rear transverse tube 5, and connect as indicated by the numeral 28 with the lower end of the clutch lever 29.
- the clutch lever 29 has an annular hub portion 30 whose opening 3
- the upper part ofthe hub 30- has an eccentric axial opening 3
- the clutch lever 29 is part ofthe clutch mechanism which is generaly designated33 and which consists of the annular front member 34 which has diametrical openings'35 therein to accommodate a locking pin or key 36 which secures the same non-rotatablyj and non-slidably on the tube 9; and the heavy annular rear element 31 which has diametrical openings 38 accommodating the locking pin or key 39 which traverses the tube 9 and locks the element 31 non-rotatably and non-slidably thereon.
- the facing ends of the elements 39 and 31 are sufficiently spaced with respect to the opposite sides of the hub portion 38 of the clutch lever 29 to permit the clutch lever to turn relative to the elements 31 and 34, while the removable pin 32 is in a withdrawn position.
- the pin 32 is shown in an engaged position in which it is passed through the keyhole shaped bore 40 in the rear clutch element 31, through the opening 3
- a spring-pressed ball detent 42 is arranged through the opening 43 in the rear clutch element 31 to engage a depression in the upper side of the pin 32 to hold the same yieldingly in place in'the engaged position, this ball detent being operative to engage another depression 43' further forward on the pin 32 to hold the pin in place in the withdrawn position.
- a lug 44 on the bottom of the pin works in the slot of the keyhole-shaped bore 40 and acts as a stop when stick.
- said apparatus comprise ing forward and rearward journal brackets on said support members, a longitudinal shaft rotatably supported in said journal brackets, a stick pivoted to rise from the rearwardpart of said shaft for forward and rearward movement rela-' tive tosaid shaft, a pivotal connection on said stick for the push-pull element of the elevators projecting rearwardly from saidstick at a pomt above the lower end of the stick, an arm rising from a forward portion of said shaft and to which the transversely arranged push-pull elements of the ailerons are connected for operation by sidewise movement of the stick accompanied by rotation of said shaft in opposite directions, and a 2 BTJS'I AVAILABLE COPY*2,-a1e,eas
- clutch member on said shaft having a clutch lever operatively connected to the transversely extending push-pull elements of the rudder to work the rudder by lateral swinging of said stick and corresponding rotation of said shaft.
- Apparatus'for controlling the elevators, the rudder, and the ailerons of an airplane having support members and push-pull elements operatively connected to the elevators, the rudder, and the ailerons, respectively, said apparatus comprising forward and rearward journal brackets on said support members, a longitudinal shaft rotatably supported in said journal brackets, a stick pivoted to rise from the rearward part of said shaft for forward and rearward movement relative to said shaft, a pivotal connection on said stick for, the push-pull element of the elevators projecting rearwardly from said stick at a point above the lower end of the stick, an arm rising from a forward portion of said shaft and to which the transversely arranged push-pull elements 01 the ailerons are connected for operation by sidewise movement of the stick accompanied by rotation of said shaft in opposite directions, and a clutch member on said shaft having a clutch lever operatively connected to the transversely extending push-pull elements of the rudder to work the rudder by lateral swinging of said
Description
y 3- r R. G. STAMBACH 3, 2,318,833
AEROPLANE CONTROL Filed Feb. 17, 1942' 2 Sheets-Sheet l Inventor y 1943- R. a. STAMBACH 2,318,833
IAEROPLANE CONTROL Filed Feb. 17, 1942 2 Sheets-Sheet 2 Inventor Patented May H, 1943 STATES PATENT OFFICE.
2,318,833 AIRPLANE CONTROL Robert George Stambach, Pekin, Ill. Application February, 1942. Serial No. 431,287 3 Claims. (01'. 244-83) 'My invention relates to improvements in airplane control means, and particularly to an improved arrangement wherein the three main control elements of the airplane, that is, the elevators, rudder and ailerons, may be operated all by the hands alone,,or through adjustments, so that the rudder is operated by the feet and the ailerons by the hands, and the primary object of my invention is to provide a simple and mechanically efiicient arrangement of this character.
Other important objects and advantages of my invention will be apparent from a reading of the following description taken in connection with the appended drawings, wherein for purposes of illustration I'have shown a preferred embodiment of my invention.
In the drawings;
Figure 1 is a general perspective schematic view showing an arrangement inaccordance with the present invention adjusted so that operation of the stick controls the elevators, the rudder, and the ailerons of the airplane.
Figure 2 is a fragmentary enlarged sectional elevational view showing the removable pin in place to adjust the arrangement so that operation of the stick controls the elevators, the rudder, and the ailerons, the pin being removable to disconnect the stick from the rudder so that the rudder may be operated by the feet without interfering with the operation of the stick.
Figure 3 is a perspective view of the rear clutch member.
Figure 4 is a-rear elevational view of the clutch element lever.
Figure 5 is a perspective view of the front clutch element.
Referring in detail tothe drawings, the
- numerals 5 and 6 refer to the rear and front cross tubes of the fuselage frame work under the cabin or cockpit of the airplane. Intermediate portions of the cross tubes 5 and 6 have the corresponding journal brackets I and 8 rising therefrom in whichv the longitudinal horizontal tube 9' is rotatably supported. The stick which is generally designated I'll has a clevis portion II at its lower end which is pivoted to opposite sides of the rear end of the tube 9 as indicated by the numeral l2. The longitudinal tube I3 leading from the elevators (not shown) is pivotally connected to the stick I9 above the clevis H by a similar clevis it connected at I5, the elevators thereby being operated by a forward and backward motion of the stick I. The transverse tubes 86 and H leading from the ailerons (not shown) have respective bars l8 and I9 projecting front ends of the rearwardly projecting brackets 26 and 2'! which are secured to the front side of the rear transverse tube 5, and connect as indicated by the numeral 28 with the lower end of the clutch lever 29.
The clutch lever 29 has an annular hub portion 30 whose opening 3| rotatably receives the longitudinal tube 9 and is rotatable on this tube. The upper part ofthe hub 30- has an eccentric axial opening 3| formed therein to receive the round cross section pin 32in the manner indicated in Figure 2 of the drawings.
The clutch lever 29 is part ofthe clutch mechanism which is generaly designated33 and which consists of the annular front member 34 which has diametrical openings'35 therein to accommodate a locking pin or key 36 which secures the same non-rotatablyj and non-slidably on the tube 9; and the heavy annular rear element 31 which has diametrical openings 38 accommodating the locking pin or key 39 which traverses the tube 9 and locks the element 31 non-rotatably and non-slidably thereon. The facing ends of the elements 39 and 31 are sufficiently spaced with respect to the opposite sides of the hub portion 38 of the clutch lever 29 to permit the clutch lever to turn relative to the elements 31 and 34, while the removable pin 32 is in a withdrawn position.
In Figure 2 of the drawings the pin 32 is shown in an engaged position in which it is passed through the keyhole shaped bore 40 in the rear clutch element 31, through the opening 3| in the clutch lever and into the socket 4| in the rear end of the rear clutch element 34. A spring-pressed ball detent 42 is arranged through the opening 43 in the rear clutch element 31 to engage a depression in the upper side of the pin 32 to hold the same yieldingly in place in'the engaged position, this ball detent being operative to engage another depression 43' further forward on the pin 32 to hold the pin in place in the withdrawn position. A lug 44 on the bottom of the pin works in the slot of the keyhole-shaped bore 40 and acts as a stop when stick. It will be noted that continuations 22' and 23 of the rudder cables 22 and 23, respectively, pass forwardly from the arrangement described, the attachment of the two sets of wires being indicated bythe numerals 4B and 41. It is obvious that a quick and easy forward or rearward pressure by the hand ofthe operator on the handle 49 which is attached to the pin 32 by the arm M, will either engage or disengage the pin 32, so that the pilot can readily switch back and forth between control of all of the control elements of the airplane by the stick ID or to control of the rudder by the feet with the other controls remaining under the guidance of the stick.]
Although I haveshown and described herein a preferred embodiment of my invention, it is to be definitely understood that I do not wish to limit the application of my invention thereto except as may be required by the scope of the subjoined claims.
Having described the invention, what is claimed as new is: a
1. Apparatus for controlling the elevators, the
rudder, and the ailerons of an airplane having support members and push-pull elements operatively connected to the elevators, the rudder, and the ailerons, respectively, said apparatus comprise ing forward and rearward journal brackets on said support members, a longitudinal shaft rotatably supported in said journal brackets, a stick pivoted to rise from the rearwardpart of said shaft for forward and rearward movement rela-' tive tosaid shaft, a pivotal connection on said stick for the push-pull element of the elevators projecting rearwardly from saidstick at a pomt above the lower end of the stick, an arm rising from a forward portion of said shaft and to which the transversely arranged push-pull elements of the ailerons are connected for operation by sidewise movement of the stick accompanied by rotation of said shaft in opposite directions, and a 2 BTJS'I AVAILABLE COPY*2,-a1e,eas
clutch member on said shaft having a clutch lever operatively connected to the transversely extending push-pull elements of the rudder to work the rudder by lateral swinging of said stick and corresponding rotation of said shaft.
2. Apparatus'for controlling the elevators, the rudder, and the ailerons of an airplane having support members and push-pull elements operatively connected to the elevators, the rudder, and the ailerons, respectively, said apparatus comprising forward and rearward journal brackets on said support members, a longitudinal shaft rotatably supported in said journal brackets, a stick pivoted to rise from the rearward part of said shaft for forward and rearward movement relative to said shaft, a pivotal connection on said stick for, the push-pull element of the elevators projecting rearwardly from said stick at a point above the lower end of the stick, an arm rising from a forward portion of said shaft and to which the transversely arranged push-pull elements 01 the ailerons are connected for operation by sidewise movement of the stick accompanied by rotation of said shaft in opposite directions, and a clutch member on said shaft having a clutch lever operatively connected to the transversely extending push-pull elements of the rudder to work the rudder by lateral swinging of said stick and corresponding rotation of said shaft, said clutch member comprising a pair of blocks secured on said shaft and longitudinally spaced from each other, said clutch lever having an annular hub portion turning freely on said shaft between said blocks and formed with an eccentric pin accommodating opening, and a locking pin inserted through an-eccentric passage formed through the rearward block, passing through said eccentric opening, and entering an eccentric socket formed in the rear end of the front block to operatively connect said blocks and said clutch lever to afford said stick sole control of the elevators, the rudder. and the ailerons of the airplane.
3. Apparatus according to claim 2 wherein said clutch locking pin is rearwardly withdrawable out of engagement with said forward block and said clutch lever to free said clutch lever on said shaft to permit operation of the rudder independently of said stick.
ROBERT GEORGE STAMBACH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US431287A US2318833A (en) | 1942-02-17 | 1942-02-17 | Airplane control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US431287A US2318833A (en) | 1942-02-17 | 1942-02-17 | Airplane control |
Publications (1)
Publication Number | Publication Date |
---|---|
US2318833A true US2318833A (en) | 1943-05-11 |
Family
ID=23711268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US431287A Expired - Lifetime US2318833A (en) | 1942-02-17 | 1942-02-17 | Airplane control |
Country Status (1)
Country | Link |
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US (1) | US2318833A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2442289A (en) * | 1945-04-06 | 1948-05-25 | William M Jackson | Airplane control system |
US2518012A (en) * | 1946-10-26 | 1950-08-08 | North American Aviation Inc | Resiliently interconnected aileron and rudder control system for aircraft |
US2550806A (en) * | 1945-11-26 | 1951-05-01 | Hammond Instr Co | Aircraft flight control apparatus |
US2579265A (en) * | 1947-08-01 | 1951-12-18 | Jr Raymond A Lander | Airplane rudder and aileron control |
US2601458A (en) * | 1943-05-15 | 1952-06-24 | Robert Roger Aime | Aircraft control mechanism |
US2625349A (en) * | 1946-12-02 | 1953-01-13 | Joseph G Speer | Airplane control system |
US2781182A (en) * | 1952-04-14 | 1957-02-12 | Frederick W Ross | Aerodynamic aircraft control system |
FR2909637A1 (en) * | 2006-12-12 | 2008-06-13 | Michel Kieffer | Control system for e.g. elevator of glider, has main and aileron tubes arranged in vertical planes so that rotation of handle generates rotation of main tube to drive translation of aileron tube whose end is connected to main tube |
-
1942
- 1942-02-17 US US431287A patent/US2318833A/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2601458A (en) * | 1943-05-15 | 1952-06-24 | Robert Roger Aime | Aircraft control mechanism |
US2442289A (en) * | 1945-04-06 | 1948-05-25 | William M Jackson | Airplane control system |
US2550806A (en) * | 1945-11-26 | 1951-05-01 | Hammond Instr Co | Aircraft flight control apparatus |
US2518012A (en) * | 1946-10-26 | 1950-08-08 | North American Aviation Inc | Resiliently interconnected aileron and rudder control system for aircraft |
US2625349A (en) * | 1946-12-02 | 1953-01-13 | Joseph G Speer | Airplane control system |
US2579265A (en) * | 1947-08-01 | 1951-12-18 | Jr Raymond A Lander | Airplane rudder and aileron control |
US2781182A (en) * | 1952-04-14 | 1957-02-12 | Frederick W Ross | Aerodynamic aircraft control system |
FR2909637A1 (en) * | 2006-12-12 | 2008-06-13 | Michel Kieffer | Control system for e.g. elevator of glider, has main and aileron tubes arranged in vertical planes so that rotation of handle generates rotation of main tube to drive translation of aileron tube whose end is connected to main tube |
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