IP Library Granted Patent US 10,343,769
Granted Patent B2
US 10,343,769 · App. 15/221,521 · Granted Jul 9, 2019

Landing gear control system

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Quick Facts
Patent No.
US 10,343,769
App. No.
15/221,521
Granted
Jul 9, 2019
Kind
B2
Abstract

A landing gear control lever system including a lever assembly, a locking assembly, and a switch assembly is disclosed herein. The locking assembly is connected to the lever assembly. The locking assembly has a rotary actuator and a Scotch yoke member operably connected to a portion of the rotary actuator such that rotation of the rotary actuator causes linear movement of the Scotch yoke member. The locking assembly can further include a locking arm operably coupled to the Scotch yoke member and moveable between locked and unlocked positions upon rotation of the rotary actuator.

Claims (25)

1. A landing gear control system for use in a vehicle having landing gear, comprising:

a lever assembly including—

a control lever movable between a first position and a second position;

a lock coupled to the control lever;

a switch operably connected to the lever assembly and is configured to control movement of the landing gear, wherein the switch is activated in response to movement of the control lever between the first and second positions;

a locking assembly operably connected to the lever assembly, the locking assembly including—

a rotatable actuator;

a Scotch yoke member with a shaft and being connected to the actuator such that rotation of the actuator causes linear movement of the Scotch yoke member;

a locking arm operably coupled to the Scotch yoke member and moveable between locked and unlocked positions upon rotation of the actuator, wherein—

the locking arm in the locked position engages the lock of the lever assembly when the control lever is in the first position and prevents the control lever from moving to the second position, and

the locking arm in the unlocked position allows the control lever to move away from the first position.

2. The system of claim 1 , further comprising an override member coupled to the locking arm and actuatable to move the locking arm from the locked position to the unlocked position independent of rotation of the actuator.

3. The system of claim 1 wherein the actuator comprises a rotary solenoid.

4. The system of claim 1 , further comprising a switch actuator connected to the control lever, wherein the switch actuator is configured to extend and retract extends and retracts upon rotation of the control lever.

5. The system of claim 4 wherein the switch actuator includes a hollow, tubular housing and a spring-loaded plunger at least partially contained within the housing.

6. The system of claim 5 wherein the spring-loaded plunger is urged against the cam plate and resists movement of the control lever between the first and second positions.

7. The system of claim 4 , further comprising a cam plate mechanically coupled to the switch actuator, wherein a portion of the switch actuator slides along the cam plate during movement of the control lever between the first and second positions.

8. The system of claim 1 wherein:

the locking assembly further includes a drive pin coupled to the actuator;

the Scotch yoke member further includes the shaft coupled to the locking arm and a slot portion extending laterally from the shaft; and

wherein the slot portion of the Scotch yoke member slidably engages the drive pin.

9. The system of claim 1 , further comprising a chassis, wherein the lever assembly, the switch assembly, and the locking assembly are mounted to the chassis.

10. The system of claim 9 wherein the switch assembly comprises a multi-pin connector mounted to the chassis.

11. The system of claim 1 wherein the locking assembly further includes a clevis operably coupled to the Scotch yoke member and the locking arm.

12. The system of claim 1 wherein the locking arm includes a groove portion that contains the lock of the lever assembly when the locking arm is in the locked position.

Assignments (7)
RELEASE OF PATENT SECURITY AGREEMENT RECORDED MAY 1, 2023 AT REEL/FRAME 063500/0312 Recorded Jun 6, 2024
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE
To: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; AEROSONIC LLC; MOUNTAINTOP TECHNOLOGIES, INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; SHIELD RESTRAINT SYSTEMS, INC.; AMSAFE, INC.; ARKWIN INDUSTRIES, INC.; AVIONIC INSTRUMENTS, INC.; AEROSONIC CORPORATION; AVTECHTYEE, INC.; BREEZE-EASTERN LLC; BRUCE AEROSPACE INC.; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; PURE TECHNOLOGIES LTD.; HARCO LABORATORIES, INC.; HARCO LLC; HARCO TECHNOLOGIES CORPORATION; CORRPRO COMPANIES, INC.; HARCO CORPORATION; HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PNEUDRAULICS, INC.; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; TACTAIR FLUID CONTROLS, INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR INTERNATIONAL GMBH; TELAIR INTERNATIONAL AB; NORDISK AVIATION PRODUCTS AS; TURNTIME TECHNOLOGIES AB; AEROCONTROLEX GROUP, INC.; TRANSICOIL INC.; SOUTHCO, INC.; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC COUNTERMEASURES CO.; ADVANCED INPUT DEVICES, INC.; ARMTEC DEFENSE PRODUCTS COMPANY; JOSLYN SUNBANK COMPANY LLC; LEACH INTERNATIONAL CORPORATION; SOURIAU USA, INC.; NMC GROUP, INC.; TA AEROSPACE CO.; MASON ELECTRIC CO.; KORRY ELECTRONICS CO.; PALOMAR PRODUCTS, INC.; ROLLS-ROYCE PLC; MEMTRON TECHNOLOGIES CO.; CHELTON, INC. (N/K/A CHELTON AVIONICS, INC.); SIMPLEX MANUFACTURING CO.; APICAL INDUSTRIES, INC.; AERO-INSTRUMENTS CO., LLC; AIRBORNE SYSTEMS NA, INC.; HARCOSEMCO LLC; HARCO, LLC (N/K/A HARCOSEMCO LLC); PEXCO AEROSPACE, INC.; TELAIR US LLC; CALSPAN AERO SYSTEMS ENGINEERING, INC.; CALSPAN SYSTEMS, LLC; ADAMS RITE AEROSPACE, INC.; ACME AEROSPACE, INC.; SCHNELLER, INC.; CEF INDUSTRIES, INC.
Reel/Frame 067640/0618 →
SECURITY INTEREST Recorded Nov 29, 2023
From: TRANSDIGM INC.; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE, INC.; APICAL INDUSTRIES, INC.; AVTECHTYEE, INC.; BREEZE-EASTERN LLC; BRUCE AEROSPACE, INC.; CALSPAN AERO SYSTEMS ENGINEERING, INC.; CALSPAN SYSTEMS, LLC; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; HARCO LABORATORIES, INCORPORATED (N/K/A HARCOSEMCO LLC); HARCO, LLC (N/K/A HARCOSEMCO LLC); HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PALOMAR PRODUCTS, INC.; PEXCO AEROSPACE, INC.; SCHNELLER LLC; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; TACTAIR FLUID CONTROLS, INC.; TELAIR INTERNATIONAL LLC (N/K/A NORDISK AVIATION PRODUCTS LLC); TELAIR US LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC DEFENSE PRODUCTS CO.; NMC GROUP, INC.; LEACH INTERNATIONAL CORPORATION; TA AEROSPACE CO.; KORRY ELECTRONICS CO.; MASON ELECTRIC CO.; AIRBORNE SYSTEMS NA INC.; HARCOSEMCO LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE AND NOTES COLLATERAL AGENT
Reel/Frame 065724/0903 →
SECURITY INTEREST Recorded Aug 22, 2023
From: TRANSDIGM INC.; HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PALOMAR PRODUCTS, INC.; PEXCO AEROSPACE, INC.; SCHNELLER LLC; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; TACTAIR FLUID CONTROLS, INC.; TELAIR INTERNATIONAL LLC (N/K/A NORDISK AVIATION PRODUCTS LLC); TELAIR US LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC DEFENSE PRODUCTS CO.; NMC GROUP, INC.; LEACH INTERNATIONAL CORPORATION; TA AEROSPACE CO.; KORRY ELECTRONICS CO.; MASON ELECTRIC, CO.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE AND NOTES COLLATERAL AGENT
Reel/Frame 064661/0654 →
SECURITY INTEREST Recorded May 1, 2023
From: ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE SYSTEMS NA, INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE, INC.; ARMTEC DEFENSE PRODUCTS CO.; AVTECHTYEE, INC.; BREEZE-EASTERN CORPORATION; CEF INDUSTRIES, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; HARCO, LLC (N/K/A HARCOSEMCO LLC); HARCOSEMCO LLC; HARTWELL CORPORATION; LEACH INTERNATIONAL CORPORATION; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; PALOMAR PRODUCTS, INC.; PEXCO AEROSPACE, INC.; SCHNELLER LLC; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; TACTAIR FLUID CONTROLS INC.; TELAIR US LLC; WHIPPANY ACTUATION SYSTEMS, LLC; TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE
Reel/Frame 063500/0312 →
SECURITY INTEREST Recorded Feb 27, 2023
From: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; 17111 WATERVIEW PKWY LLC; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE ACQUISITION, INC.; AIRBORNE GLOBAL, INC.; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NA INC.; AIRBORNE SYSTEMS NORTH AMERICA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF CA INC.; AMSAFE GLOBAL HOLDINGS, INC.; AMSAFE, INC.; ANGUS ELECTRONICS CO.; APICAL INDUSTRIES, INC.; ARKWIN INDUSTRIES, INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC COUNTERMEASURES TNO CO.; ARMTEC DEFENSE PRODUCTS CO.; AUXITROL WESTON USA, INC.; AVIATION TECHNOLOGIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BETA TRANSFORMER TECHNOLOGY LLC; BREEZE-EASTERN LLC; BRIDPORT HOLDINGS, INC.; BRIDPORT-AIR CARRIER, INC.; BRUCE AEROSPACE INC.; CDA INTERCORP LLC; CEF INDUSTRIES, LLC; CENTURY HELICOPTERS, INC.; CHAMPION AEROSPACE LLC; CHELTON AVIONICS HOLDINGS, INC.; CHELTON AVIONICS, INC.; CHELTON DEFENSE PRODUCTS, INC.; CMC ELECTRONICS AURORA LLC; DART AEROSPACE USA, INC.; DART BUYER, INC.; DART HELICOPTER SERVICES, INC.; DART INTERMEDIATE, INC.; DART TOPCO, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; ESTERLINE EUROPE COMPANY LLC; ESTERLINE INTERNATIONAL COMPANY; ESTERLINE TECHNOLOGIES CORPORATION; ESTERLINE TECHNOLOGIES SGIP LLC; HARCOSEMCO LLC; HARTWELL CORPORATION; HELI TECH, INC.; HYTEK FINISHES CO.; ILC HOLDINGS, INC.; JANCO CORPORATION; JOHNSON LIVERPOOL LLC; KIRKHILL INC.; KORRY ELECTRONICS CO.; LEACH HOLDING CORPORATION; LEACH INTERNATIONAL CORPORATION; LEACH MEXICO HOLDING LLC; LEACH TECHNOLOGY GROUP, INC.; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; MCKECHNIE AEROSPACE DE, INC.; MCKECHNIE AEROSPACE HOLDINGS, INC.; MCKECHNIE AEROSPACE US LLC; NAT SEATTLE INC.; NMC GROUP, INC.; NORDISK AVIATION PRODUCTS LLC; NORTH HILLS SIGNAL PROCESSING CORP.; NORTH HILLS SIGNAL PROCESSING OVERSEAS LLC; NORWICH AERO PRODUCTS, INC.; OFFSHORE HELICOPTER SUPPORT SERVICES, INC.; PALOMAR PRODUCTS, INC.; PARAVION TECHNOLOGY, INC.; PEXCO AEROSPACE, INC.; PNEUDRAULICS, INC.; POWER DEVICE CORPORATION; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; SKANDIA, INC.; SKURKA AEROSPACE INC.; SYMETRICS INDUSTRIES, LLC; TA AEROSPACE CO.; TACTAIR FLUID CONTROLS, INC.; TDG ESL HOLDINGS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR US LLC; TEXAS ROTRONICS, INC.; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; BRIDPORT ERIE AVIATION, INC.; TRANSDIGM UK HOLDINGS PLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE
Reel/Frame 063012/0788 →
SECURITY INTEREST Recorded Feb 27, 2023
From: TRANSDIGM, INC.; TRANSDIGM GROUP INCORPORATED; TRANSDIGM UK HOLDINGS PLC; 17111 WATERVIEW PKWY LLC; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE ACQUISITION, INC.; AIRBORNE GLOBAL, INC.; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NA INC.; AIRBORNE SYSTEMS NORTH AMERICA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF CA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE GLOBAL HOLDINGS, INC.; AMSAFE, INC.; ANGUS ELECTRONICS CO.; APICAL INDUSTRIES, INC.; ARKWIN INDUSTRIES, INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC COUNTERMEASURES TNO CO.; ARMTEC DEFENSE PRODUCTS CO.; AUXITROL WESTON USA, INC.; AVIATION TECHNOLOGIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BETA TRANSFORMER TECHNOLOGY LLC; BREEZE-EASTERN LLC; BRIDPORT ERIE AVIATION; BRIDPORT HOLDINGS, INC.; BRIDPORT-AIR CARRIER, INC.; BRUCE AEROSPACE INC.; CDA INTERCORP LLC; CEF INDUSTRIES, LLC; CENTURY HELICOPTERS, INC.; CHAMPION AEROSPACE LLC; CHELTON AVIONICS HOLDINGS, INC.; CHELTON AVIONICS, INC.; CHELTON DEFENSE PRODUCTS, INC.; CMC ELECTRONICS AURORA LLC; DART AEROSPACE USA, INC.; DART BUYER, INC.; DART HELICOPTER SERVICES, INC.; DART INTERMEDIATE, INC.; DART TOPCO, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; ESTERLINE EUROPE COMPANY LLC; ESTERLINE INTERNATIONAL COMPANY; ESTERLINE TECHNOLOGIES CORPORATION; ESTERLINE TECHNOLOGIES SGIP LLC; HARCOSEMCO LLC; HARTWELL CORPORATION; HELI TECH, INC.; HYTEK FINISHES CO.; ILC HOLDINGS, INC.; JANCO CORPORATION; JOHNSON LIVERPOOL LLC; KIRKHILL INC.; KORRY ELECTRONICS CO.; LEACH HOLDING CORPORATION; LEACH INTERNATIONAL CORPORATION; LEACH MEXICO HOLDING LLC; LEACH TECHNOLOGY GROUP, INC.; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; MCKECHNIE AEROSPACE DE, INC.; MCKECHNIE AEROSPACE HOLDINGS, INC.; MCKECHNIE AEROSPACE US LLC; NAT SEATTLE INC.; NMC GROUP, INC.; NORDISK AVIATION PRODUCTS LLC; NORTH HILLS SIGNAL PROCESSING CORP.; NORTH HILLS SIGNAL PROCESSING OVERSEAS LLC; NORWICH AERO PRODUCTS, INC.; OFFSHORE HELICOPTER SUPPORT SERVICES, INC.; PALOMAR PRODUCTS, INC.; PARAVION TECHNOLOGY, INC.; PEXCO AEROSPACE, INC.; PNEUDRAULICS, INC.; POWER DEVICE CORPORATION; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; SKANDIA, INC.; SKURKA AEROSPACE INC.; SYMETRICS INDUSTRIES, LLC; TA AEROSPACE CO.; TACTAIR FLUID CONTROLS, INC.; TDG ESL HOLDINGS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR US LLC; TEXAS ROTRONICS, INC.; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.
To: GOLDMAN SACHS BANK USA, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 062880/0580 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 8, 2017
From: BETTS, BYRON; RONQUILLO, JOHN
To: MASON ELECTRIC CO.
Reel/Frame 043538/0267 →