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Anti-tip system for a power wheelchair

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61G-005/04
출원번호 UP-0170876 (2008-07-10)
등록번호 US-7726689 (2010-06-22)
발명자 / 주소
  • Mulhern, James P.
  • Levi, Ronald
  • Grymko, Christopher E.
출원인 / 주소
  • Pride Mobility Products Corporation
대리인 / 주소
    Flaster/Greenberg P.C.
인용정보 피인용 횟수 : 22  인용 특허 : 34

초록

An anti-tip system is provided for improving the stability of a powered vehicle, such as a powered wheelchair. The vehicle includes a drive-train assembly pivotally mounted to a main structural frame. A suspension system biases the drive-train assembly and its connected anti-tip wheel to a predeterm

대표청구항

What is claimed is: 1. A powered wheelchair-comprising: a frame; a seat mounted on the frame; a pair of drive wheels positioned on opposing sides of the frame; a drive motor operatively coupled to at least one of the drive wheels for powering rotation of the drive wheel about a drive wheel axis and

이 특허에 인용된 특허 (34)

  1. Mulhern, James P.; Levi, Ronald J.; Leitner, Jr., George Lewis, Adjustable anti-tip wheels for power wheelchair.
  2. Mulhern,James P.; Levi,Ronald J.; Leitner, Jr.,George Lewis, Adjustable anti-tip wheels for power wheelchair.
  3. Pulver Dale A., Adjustable front wheel stabilizer for power wheelchair.
  4. Watkins, Walter A., Adjustable height anti-tip wheels for a power wheelchair.
  5. Schaffner, Walter E.; Watkins, Walter A.; White, Jr., Gerald J., Anti-tip caster suspension for a wheelchair.
  6. Paul C. Dickie ; Darryl R. Pauls, Anti-tip wheel.
  7. Bickler Donald B. (Temple City CA), Articulated suspension system.
  8. Schaffner Walter E. ; Mulhern James P. ; Antonishak Stephen J. ; White Gerald J., Curb-climbing power wheelchair.
  9. Furukawa Hisashi,JPX, Installing structure for an electrically-driven wheelchair.
  10. Strautnieks Maris,AUX, Mid-wheel drive wheelchair.
  11. Stephen L. Kral, Mid-wheel drive wheelchair with front wheel multiple bias suspension and anti-tip assembly.
  12. Goertzen, Gerold; Null, Jr., William A., Obstacle traversing wheelchair.
  13. Booth ; Eric, Peripatetic vehicles.
  14. Schaffner,Walter E., Power wheelchair.
  15. Garin ; III Paul V. (11069 E. Wrenwood Clovis CA 93612), Powered mobility chair for individual.
  16. Kramer ; Jr. Duwayne E. ; Traylor Jerry L. ; Ernst James, Powered wheelchair with separating frame.
  17. Donald James E. (Davis CA) Weigt Gerald I. (Davis CA), Shock absorber.
  18. Huang, Shao Shih, Supplementary wheel support for a motorized wheelchair.
  19. Robert C. Hopely, Jr. ; Anthony P. DiGiovanni, Suspension for central drive vehicle.
  20. Wu,Donald P. H., Suspension structure for wheelchair.
  21. Dickie Paul C. ; Taylor Robert A., Suspension system for a wheelchair.
  22. Dickie Paul C. ; Taylor Robert A., Suspension system for a wheelchair.
  23. Martis, Charles J.; Smith, Mark E.; Mulhern, James P., Suspension system for a wheelchair.
  24. Finch Thomas E. ; Finch James A., Suspension system for powered wheelchair.
  25. Goertzen,Gerald; Null, Jr.,William A., Suspension with releasable locking system.
  26. Goertzen, Gerald; Null, Jr., William A., Vehicle having an anti-dive/lockout mechanism.
  27. Post, Willem Michael; Verhulsdonk, Rob, Wheel chair.
  28. Gill Robert ; Hudson John R., Wheel chair with independent suspension.
  29. Knott Christopher (“Monza” ; New Hill Walesby ; Near Newark ; Nottinghamshire GB2), Wheelchair.
  30. Scheulderman Petrus J. (Almere NLX), Wheelchair.
  31. Kraft Laura,CAX ; Gallagher Emerson,CAX ; Blok Janice,CAX ; Manarin Doug,CAX, Wheelchair anti-tipping device.
  32. Degonda Andre,CHX ; Wuthrich Thomas,CHX, Wheelchair for transporting or assisting the displacement of at least one user, particularly for handicapped person.
  33. Molnar,James H., Wheelchair suspension.
  34. Engman Bo H. S. (Sunds Bruk SEX), Wheeled chassis.

이 특허를 인용한 특허 (22)

  1. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E., Anti-tip system for a power wheelchair.
  2. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E., Anti-tip system for a power wheelchair.
  3. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E., Anti-tip system for a power wheelchair.
  4. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E., Anti-tip system for a power wheelchair.
  5. Vreeswijk, Wilhelmus Hendrikus Johannes Adriana; Roycroft, Lawrence William Anthony, Chassis structure for mid-wheel drive power wheelchair.
  6. Ohruh, Michel, Device enabling an electric wheelchair to cross obstacles.
  7. Mirzaie, Mehdi, Electric mid-wheel drive wheelchair.
  8. Mirzaie, Mehdi, Electric mid-wheel drive wheelchair.
  9. Mulhern, James P.; Antonishak, Stephen J., Elevated height wheelchair.
  10. Mulhern, James P.; Antonishak, Stephen J., Elevated height wheelchair.
  11. Mulhern, James P.; Antonishak, Stephen J., Elevated height wheelchair.
  12. Mulhern, James P.; Antonishak, Stephen J., Elevated height wheelchair.
  13. Johnson, Dan; Dvorak, Andrew, Methods, systems, and devices relating to multifunctional aircraft aisle wheelchair.
  14. Zhou, Daniel Z.; Jackson, Mark A.; Tarter, John J.; Greig, Mark E.; Stevens, Rex W.; Koerlin, James M.; Traxinger, Samuel D.; Killebrew, Allen B., Midwheel drive wheelchair with independent front and rear suspension.
  15. Zhou, Daniel Z.; Jackson, Mark A.; Tarter, John J.; Greig, Mark E.; Stevens, Rex W.; Koerlin, James M.; Traxinger, Samuel D.; Killebrew, Allen B., Personal mobility vehicle having a pivoting suspension with a torque activated release mechanism.
  16. Maurer, Balz; Wolter, Fabian, Powered wheelchair with articulating drive wheels.
  17. Maurer, Balz; Wolter, Fabian, Powered wheelchair with articulating drive wheels.
  18. Hunziker, Kurt D., Stand-up unit for stand-up wheelchairs and chairs, particularly therapy chairs.
  19. Behrens, Michael, Step-climbing attachment for a wheeled chair.
  20. Cheng, Ming-Chuan, Wheel set structure of an electric wheelchair.
  21. Dugas, Eric; Landry, Carmon, Wheelchair base.
  22. Hunziker, Kurt; Huerlimann, Samuel; Tapis, Alexandre, Wheelchair with middle wheel drive.
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