USD453317S1 - Quad tiltrotor - Google Patents

Quad tiltrotor Download PDF

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Publication number
USD453317S1
USD453317S1 US29/133,527 US13352700F USD453317S US D453317 S1 USD453317 S1 US D453317S1 US 13352700 F US13352700 F US 13352700F US D453317 S USD453317 S US D453317S
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US
United States
Prior art keywords
quad tiltrotor
tiltrotor
quad
elevation view
view
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
Application number
US29/133,527
Inventor
John A. DeTore
Richard F. Spivey
Malcolm P. Foster
Tom L. Wood
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Textron Innovations Inc
Bell Helicopter Rhode Island Inc
Textron IPMP LP
Original Assignee
Bell Helicopter Textron Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Priority to US29/133,527 priority Critical patent/USD453317S1/en
Assigned to BELL HELICOPTER TEXTRON INC. reassignment BELL HELICOPTER TEXTRON INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WOOD, TOM L., DETORE, JOHN A., SPIVEY, RICHARD F., FOSTER, MALCOLM
Application granted granted Critical
Publication of USD453317S1 publication Critical patent/USD453317S1/en
Assigned to TEXTRON IPMP L.P. reassignment TEXTRON IPMP L.P. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BELL HELLCOPTER MICHIGAN, INC.
Assigned to BELL HELICOPTER RHODE ISLAND, INC. reassignment BELL HELICOPTER RHODE ISLAND, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BELL HELICOPTER TEXTRON, INC.
Assigned to BELL HELICOPTER MICHIGAN, INC. reassignment BELL HELICOPTER MICHIGAN, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BELL HELICOPTER TEXTRON, INC.
Assigned to TEXTRON INNOVATIONS, INC. reassignment TEXTRON INNOVATIONS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BELL HELICOPTER RHODE ISLAND, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a top view of a quad tiltrotor of our new design having rotors in the takeoff/landing/hovering position;
FIG. 2 is a bottom view thereof;
FIG. 3 is a port side elevation view thereof;
FIG. 4 is a starboard side elevation view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a top view of a quad tiltrotor of our new design having rotors in a flight position;
FIG. 8 is a bottom view thereof;
FIG. 9 is a port side elevation view thereof;
FIG. 10 is a starboard side elevation view thereof;
FIG. 11 is a front elevation view thereof;
FIG. 12 is a rear elevation view thereof; and,
FIG. 13 is a perspective view thereof.

Claims (1)

  1. The ornamental design for the quad tiltrotor, as shown and described.
US29/133,527 2000-12-01 2000-12-01 Quad tiltrotor Expired - Lifetime USD453317S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/133,527 USD453317S1 (en) 2000-12-01 2000-12-01 Quad tiltrotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/133,527 USD453317S1 (en) 2000-12-01 2000-12-01 Quad tiltrotor

Publications (1)

Publication Number Publication Date
USD453317S1 true USD453317S1 (en) 2002-02-05

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Family Applications (1)

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US29/133,527 Expired - Lifetime USD453317S1 (en) 2000-12-01 2000-12-01 Quad tiltrotor

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US (1) USD453317S1 (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD465196S1 (en) 2001-12-14 2002-11-05 Michael Dammar Four propeller helicopter
WO2010096104A1 (en) * 2008-10-03 2010-08-26 Bell Helicopter Textron Inc. Method and apparatus for aircraft sensor and actuator failure protection using reconfigurable flight control laws
CN103072688A (en) * 2013-01-22 2013-05-01 西安交通大学 Tiltable four-rotor wing aircraft
USD707614S1 (en) * 2013-08-05 2014-06-24 Rosemount Aerospace Inc. Fuselage for a quad-rotor convertible aircraft
USD710453S1 (en) 2013-08-15 2014-08-05 Traxxas Lp Quadrotor model helicopter airframe
USD710452S1 (en) 2013-08-15 2014-08-05 Traxxas Lp Quadrotor model helicopter
USD710454S1 (en) 2013-08-15 2014-08-05 Traxxas Lp Canopy for a quadrotor model helicopter
US20150175258A1 (en) * 2013-12-20 2015-06-25 Hung-Fu Lee Helicopter with h-pattern structure
USD769786S1 (en) * 2016-02-22 2016-10-25 Xiangshan Gemfan Hobby Co., Ltd. Three-blade aircraft propeller
USD795784S1 (en) * 2016-08-02 2017-08-29 Aos Technologies Co., Ltd. Multi-rotor type aircraft
USD809992S1 (en) * 2016-07-05 2018-02-13 Guangzhou Ehang Intelligent Technology Co., Ltd. Multi-rotor aircraft
US9938009B2 (en) 2013-08-15 2018-04-10 Traxxas Lp Rotorcraft with integrated light pipe support members
USD826132S1 (en) * 2017-08-01 2018-08-21 Eric Hanscom Tri-bladed drone propeller
USD827724S1 (en) 2015-09-28 2018-09-04 Traxxas Lp Set of supporting arms for a quadrotor model helicopter
USD827723S1 (en) 2015-09-28 2018-09-04 Traxxas Lp Quadrotor model helicopter
US10696391B2 (en) 2017-11-16 2020-06-30 Textron Innovations Inc. Extended range quad tiltrotor aircraft
US10752352B2 (en) 2017-12-07 2020-08-25 Textron Innovations Inc. Dual rotor propulsion systems for tiltrotor aircraft
US11141673B1 (en) 2016-09-28 2021-10-12 Traxxas Lp Model rotorcraft with light pipe support members

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD392937S (en) 1996-07-19 1998-03-31 Aero Challenge Two seater amphibious aircraft
USD394422S (en) 1996-05-13 1998-05-19 Bell Helicopter Textron Inc. Tilt rotor aircraft
USD401898S (en) 1996-12-23 1998-12-01 Sikorsky Aircraft Corporation Variable diameter tilt rotor aircraft

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD394422S (en) 1996-05-13 1998-05-19 Bell Helicopter Textron Inc. Tilt rotor aircraft
USD392937S (en) 1996-07-19 1998-03-31 Aero Challenge Two seater amphibious aircraft
USD401898S (en) 1996-12-23 1998-12-01 Sikorsky Aircraft Corporation Variable diameter tilt rotor aircraft

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
J. DeTore and S. Martin, Jr.—Multi Rotor Options for Heavy Lift, Star Technical Paper Series Dec. 3-6, 1979.
J.A. DeTore—Trends for Optimum Flying Crane Design, Oct. 1957.
John A. DeTore—An Investigation of Improved Flying Qualities for Tandem Rotor Helicopters, Institution of the Aerospace Sciences, Jan. 23-25, 1961.
L. Kingson and J. DeTore—Second European Rotorcraft and Powered Lift Aircraft Forum Paper No. 36, Tilt Rotor v/Stol Aircraft Technology, Sep. 20-22, 1976.
Scott R. Gourley—Article V-44—Flying Freight Train, pp. 66-69, Popular Mechanics Magazine, Sep. 2000.

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD465196S1 (en) 2001-12-14 2002-11-05 Michael Dammar Four propeller helicopter
WO2010096104A1 (en) * 2008-10-03 2010-08-26 Bell Helicopter Textron Inc. Method and apparatus for aircraft sensor and actuator failure protection using reconfigurable flight control laws
US20110180656A1 (en) * 2008-10-03 2011-07-28 Shyhpyng Jack Shue Method and Apparatus for Aircraft Sensor and Actuator Failure Protection Using Reconfigurable Flight Control Laws
US8523102B2 (en) 2008-10-03 2013-09-03 Textron Innovations Inc. Method and apparatus for aircraft sensor and actuator failure protection using reconfigurable flight control laws
US20140005862A1 (en) * 2008-10-03 2014-01-02 Bell Helicopter Textron Inc. Method and Apparatus for Aircraft Sensor and Actuator Failure Protection Using Reconfigurable Flight Control Laws
US9701404B2 (en) 2008-10-03 2017-07-11 Textron Innovations Inc. Method and apparatus for aircraft sensor and actuator failure protection using reconfigurable flight control laws
US8763950B2 (en) * 2008-10-03 2014-07-01 Texron Innovations Inc. Method and apparatus for aircraft sensor and actuator failure protection using reconfigurable flight control laws
US10183743B2 (en) 2008-10-03 2019-01-22 Textron Innovations Inc. Method and apparatus for aircraft sensor and actuator failure protection using reconfigurable flight control laws
CN103072688A (en) * 2013-01-22 2013-05-01 西安交通大学 Tiltable four-rotor wing aircraft
USD707614S1 (en) * 2013-08-05 2014-06-24 Rosemount Aerospace Inc. Fuselage for a quad-rotor convertible aircraft
USD728445S1 (en) * 2013-08-05 2015-05-05 Rosemount Aerospace Inc. Fuselage for a quad-rotor convertible aircraft
USD710454S1 (en) 2013-08-15 2014-08-05 Traxxas Lp Canopy for a quadrotor model helicopter
USD710452S1 (en) 2013-08-15 2014-08-05 Traxxas Lp Quadrotor model helicopter
USD710453S1 (en) 2013-08-15 2014-08-05 Traxxas Lp Quadrotor model helicopter airframe
US9938009B2 (en) 2013-08-15 2018-04-10 Traxxas Lp Rotorcraft with integrated light pipe support members
US20150175258A1 (en) * 2013-12-20 2015-06-25 Hung-Fu Lee Helicopter with h-pattern structure
USD827724S1 (en) 2015-09-28 2018-09-04 Traxxas Lp Set of supporting arms for a quadrotor model helicopter
USD827723S1 (en) 2015-09-28 2018-09-04 Traxxas Lp Quadrotor model helicopter
USD769786S1 (en) * 2016-02-22 2016-10-25 Xiangshan Gemfan Hobby Co., Ltd. Three-blade aircraft propeller
USD809992S1 (en) * 2016-07-05 2018-02-13 Guangzhou Ehang Intelligent Technology Co., Ltd. Multi-rotor aircraft
USD795784S1 (en) * 2016-08-02 2017-08-29 Aos Technologies Co., Ltd. Multi-rotor type aircraft
US11141673B1 (en) 2016-09-28 2021-10-12 Traxxas Lp Model rotorcraft with light pipe support members
USD826132S1 (en) * 2017-08-01 2018-08-21 Eric Hanscom Tri-bladed drone propeller
US10696391B2 (en) 2017-11-16 2020-06-30 Textron Innovations Inc. Extended range quad tiltrotor aircraft
US10752352B2 (en) 2017-12-07 2020-08-25 Textron Innovations Inc. Dual rotor propulsion systems for tiltrotor aircraft

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