$\require{mediawiki-texvc}$
  • 검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
  • 검색연산자
검색연산자 기능 검색시 예
() 우선순위가 가장 높은 연산자 예1) (나노 (기계 | machine))
공백 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 예1) (나노 기계)
예2) 나노 장영실
| 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 예1) (줄기세포 | 면역)
예2) 줄기세포 | 장영실
! NOT 이후에 있는 검색어가 포함된 문서는 제외 예1) (황금 !백금)
예2) !image
* 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 예) semi*
"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

Wheelchair suspension

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60K-001/00   
미국특허분류(USC) 180/065.1; 180/907; 280/250.1; 280/220; 280/304.1; 297/DIG.4
출원번호 US-0974348 (2001-10-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Calfee, Halter &
인용정보 피인용 횟수 : 79  인용 특허 : 82
초록

A wheelchair suspension having plurality of pivoting linkages to lift and retract a front castor assembly to facilitate traversing an obstacle or rough terrain. In this regard, a wheelchair suspension having a frame member and at least one a pivoting assembly is provided. The pivoting assembly has, for example, a first linkage pivotally coupled to the frame member and a second linkage pivotally coupled to the frame member. At least one front caster assembly is coupled to the first and second linkages wherein upward pivotal movement of the first linkage c...

대표
청구항

I claim: 1. A wheelchair suspension comprising: a frame member; a pivoting assembly having: a first linkage pivotally coupled to the frame member; and a second linkage pivotally coupled to the frame member; a drive assembly coupled to the first linkage; at least one rear caster; and at least one front caster assembly coupled to the first and second linkages wherein upward pivotal movement of the first linkage causes the caster assembly to undergo upward vertical movement and upward pivotal movement of the second linkage causes the caster assembly ...

이 특허에 인용된 특허 (82)

  1. Kimura Junzo (Shiga JPX). Acceleration sensing device. USP1990064934626.
  2. Pulver Dale A.. Adjustable front wheel stabilizer for power wheelchair. USP1998125848658.
  3. Thibodeau Bryan H. (RR. 4 ; 7469 Rosevear Road Duncan ; British Columbia ; V9L 3W8 CAX). All-terrain, all-weather wheelchair. USP1996055518081.
  4. Pulver Dale A. ; Mentessi Roland A.. Anti-tip assembly for power wheelchair. USP2000106131679.
  5. Pulver Dale A. ; Mentessi Roland A.. Anti-tip assembly for power wheelchair. USP2000036041876.
  6. Nahachewski Vladimir W. (1073 Mt. Baldur Drive Vernon ; British Columbia ; V1B 2N8 CAX). Anti-tip device for a vehicle. USP1989124886294.
  7. Kamen Dean L. ; Ambrogi Robert ; Langenfeld Christopher C. ; Smith ; III Stanley B.. Anti-tipping mechanism. USP2000056062600.
  8. Gehlsen Paul R. (605 Center Rd. ; Apt. H-206 Everett WA 98204) Hatcher Ronald N. (5060 N. Stonehouse Pl. Tucson AZ 85715). Apparatus for moving a wheelchair over stepped obstacles. USP1993075230522.
  9. Vidal Carlos C. (Martinez de la Rosa 12 18002 Granada ESX). Articulated balancer with an oscillating axle and having locking possibilities. USP1997035611555.
  10. Mentessi Roland A. (North Royalton OH) Boris Allen J. (Elyria OH) Curran Neal J. (Lakewood OH). Attended to self propelled convertible pivoting wheelchair. USP1994035294141.
  11. Wu Donald P. H. (169 Ken Tzu Ku-Shang Ken Tsun Hsin Feng Hsiang TWX). Automatically deployable vehicle stabilization system. USP1995115467838.
  12. Bussinger Allen L. (Saginaw MI). Bumper mounted anti-tip stabilizers for chair-mounting vehicles utilized by physically disadvantaged persons and others. USP1994055316328.
  13. McLaurin Colin A. (Charlottesville VA). Center of gravity wheelchair with articulated chassis. USP1982014310167.
  14. Ball ; Douglas. Curb climbing wheel chair. USP1978104119163.
  15. Schaffner Walter E. ; Mulhern James P. ; Antonishak Stephen J. ; White Gerald J.. Curb-climbing power wheelchair. USP2000106129165.
  16. Volin Frank (3221 Quitman St. Columbia SC 29204). Detachable wheelchair backrest. USP1983034375295.
  17. Mathis Tim (Joplin MO). Device for operating a wheelchair with one arm. USP1993095241876.
  18. Larsson Bengt-Inge (Herrljunga SEX). Device in a press casting machine and method of using such device. USP1994105351744.
  19. Wu Donald P. H.,TWX. Electrical wheelchair with double frame structure. USP2001036206119.
  20. Watkins Baxter R. (Foster City CA) Littlejohn Douglas J. (Sunnyvale CA) Hessler John H. (Sunnyvale CA) Staggs Havard L. (Mountain View CA) Kuen Chi-Foun (Mountain View CA). Electronic control system for stair climbing vehicle. USP1993095248007.
  21. Farnam, Jeffrey R.. Enhanced mobility wheelchair. USP1985104545593.
  22. Schaffner Walter E. ; Mulhern James P. ; White Gerald J. ; Antonishak Stephen J.. Foldable midwheel drive power chair. USP2001026186252.
  23. Duffy ; Jr. George Y. (Port Huron MI) Flum Ted O. (St. Clair MI). Folding wheelchair with improved frame and suspension system. USP1989084861056.
  24. Lazaros Paul. Folding wheelchair with improved suspension system. USP2000066079725.
  25. Farnam Jeffrey (3035 Humboldt Ave. S. Minneapolis MN 55408). Four-wheel drive wheel-chair with compound wheels. USP1989044823900.
  26. Farnam Jeffrey (3035 Humboldt Ave. S. Minneapolis MN 55408). Four-wheel drive wheelchair with compound wheels. USP1990054926952.
  27. Udden Per (Timra SW) Graf Siegfrid (Fagervik SW) Engman Bert (Sorberge SW). Hand operated wheel-chair. USP1976043953054.
  28. Pagett Jeffery M. (New South Wales AUX). Invalid\s wheelchair and like conveyances. USP1987084687068.
  29. Singleton John M. (Solihull GB2). Kerb climbing device. USP1989034811966.
  30. Tahara Kouji (Ibaraki JPX) Tamura Seiji (Ibaraki JPX). Lockable suspension system for a work vehicle having a stabilizing link. USP1996055513875.
  31. Gehlsen Paul R. (605 Center Rd. Apt. H-206 Everett WA 98204) Hatcher Ronald N. (5060 N. Stonehouse Pl. Tuscon AZ 85715). Method for moving a wheelchair over stepped obstacles. USP1995095447317.
  32. Wilcox Brian H. (La Canada CA) Ohm Timothy R. (La Crescenta CA). Method for surmounting an obstacle by a robot vehicle. USP1994125372211.
  33. Schaffner Walter E. ; Mulhern James P. ; Antonishak Stephen J.. Mid-wheel drive power wheelchair. USP1999085944131.
  34. Schaffner Walter E. ; Mulhern James P. ; Antonishak Stephen J.. Mid-wheel drive power wheelchair. USP2001036199647.
  35. Schaffner, Walter E.; Mulhern, James P.; Antonishak, Stephen J.. Mid-wheel drive power wheelchair. USP2003116640916.
  36. Strautnieks Maris,AUX. Mid-wheel drive wheelchair. USP2001036196343.
  37. Stephen L. Kral. Mid-wheel drive wheelchair with front wheel multiple bias suspension and anti-tip assembly. USP2002106460641.
  38. Barnett Ralph L. (Wilmette IL) Schmid Steven R. (Chicago IL) Kaplan Robert (Skokie IL). Minimum energy curb negotiating wheelchair. USP1990104962942.
  39. Seitz Jack (1732 Sawmill Rd. Cottonwood AZ 86326). Modular ramp. USP1994085341533.
  40. Robertson A. Scott (Pasadena CA) Geiger Richard (Fremont CA) Lishman Robert W. (LaSelva Beach CA). Modular wheelchair. USP1993015176393.
  41. Falk, Randall G.. Motorcycle front wheel suspension system having pneumatic springs and a dedicated pressure air source. USP2003036533305.
  42. Schaffner Walter. Motorized wheelchair. USP199809D397645.
  43. Booth ; Eric. Peripatetic vehicles. USP1978124128137.
  44. Lin David Jung-Ching. Power assist anti-tip wheel system for invalid carriage. USP1999055904214.
  45. Broadhead Douglas G. (Scarborough CAX) Hobson Blaine M. (King City CAX). Power assist device for a wheelchair. USP1993065222567.
  46. Schaffner Walter E.. Power wheelchair. USP199901D404693.
  47. Schaffner Walter E. ; Mulhern James P. ; Antonishak Stephen J.. Power wheelchair. USP2001016176335.
  48. Garin ; III Paul V. (11069 E. Wrenwood Clovis CA 93612). Powered mobility chair for individual. USP1995075435404.
  49. Okamoto James (Clovis CA). Powered wheelchair with a detachable power drive assembly. USP1996075531284.
  50. Goertzen Gerold G. (Brunswick OH) Curran Neal J. (Lakewood OH) Molnar James H. (Bedford OH). Powered wheelchair with adjustable center of gravity and independent suspension. USP1996115575348.
  51. Goertzen Gerold G. ; Curran Neal J. ; Molnar James H.. Powered wheelchair with adjustable center of gravity and independent suspension. USP1998125853059.
  52. Czech Edward A. (Winamac IN) Goodrich Ronald W. (Logansport IN) Crawford Kevin L. (Winamac IN). Rotary bus lift with power stowable platform. USP1993015180275.
  53. Jorgensen Glen Howard ; Garbini Joseph L.. Stabilizing wheeled passenger carrier capable of traversing stairs. USP1999126003624.
  54. Jayne Laurence I. (510 Marshall St. Davenport WA 99122). Stair-climbing wheelchair. USP1986104618155.
  55. Eguchi Yasuhiko,JPX. Stairway ascending/descending vehicle having an arm member with a torque transmitting configuration. USP1998115833248.
  56. Feliz Jack M. (2110 Southridge Dr. Palm Springs CA 92262). Step-climbing wheel chair. USP1980094222449.
  57. Robert C. Hopely, Jr. ; Anthony P. DiGiovanni. Suspension for central drive vehicle. USP2002016341657.
  58. Dickie Paul C. ; Taylor Robert A.. Suspension system for a wheelchair. USP2001056234507.
  59. Dickie Paul C. ; Taylor Robert A.. Suspension system for a wheelchair. USP2000066070898.
  60. Finch Thomas E. ; Finch James A.. Suspension system for powered wheelchair. USP1998065772237.
  61. Morford Marvin A. (1815 Ashworth Rd. West Des Moines IA 50265). Tiltable supporting wheelchair. USP1986014565385.
  62. Haruo Hosino JP. Traveling device for smooth and stable movement on uneven and inclined surfaces. USP2002096454286.
  63. Meier Gunther (Porta Westfalica DEX). Two-motor wheelchair with battery space. USP1996075540297.
  64. Iwamoto Taro (Mito JPX) Yamamoto Hiroshi (Ibaraki JPX). Variable configuration track laying vehicle. USP1984114483407.
  65. Gill Robert ; Hudson John. Wheel chair with independent suspension. USP1998125851019.
  66. Gill Robert ; Hudson John R.. Wheel chair with independent suspension. USP1999015855387.
  67. Taylor George (2 Morton Carr Cottages ; Nunthorpe Middlesbrough ; Cleveland T57 OPE GB2). Wheel chairs. USP1984064455029.
  68. Nishihira Tetsuya,JPX ; Suzuki Masayoshi,JPX ; Nishihira Morikazu,JPX. Wheelchair. USP2001086279927.
  69. Scheulderman Petrus J. (Almere NLX). Wheelchair. USP1996105564512.
  70. Singleton John M. (Solihull GB2). Wheelchair. USP1989024805712.
  71. Kraft Laura,CAX ; Gallagher Emerson,CAX ; Blok Janice,CAX ; Manarin Doug,CAX. Wheelchair anti-tipping device. USP2000046047979.
  72. Volin Frank (3221 Quitman St. Columbia SC 29204). Wheelchair convenience attachments. USP1981044264085.
  73. Kao Fong-Chung (Taipei TWX). Wheelchair driving mechanism. USP1993075228709.
  74. Pauls Darryl R. ; Dickie Paul C. ; Trippensee Darin J.. Wheelchair fender and method of mounting wheelchair fender. USP2001116312000.
  75. Degonda Andre,CHX ; Wuthrich Thomas,CHX. Wheelchair for transporting or assisting the displacement of at least one user, particularly for handicapped person. USP1999105964473.
  76. Bell Albert (49 Norris Hill Drive ; Heaton Norris Stockport ; SK4 2NR EN). Wheelchair having pivotable ramp for climbing curbs. USP1976083976152.
  77. Treat ; Jr. Merritt W. (P.O. Box 781 Chatham MA 02633). Wheelchair push bar and method. USP1994035290055.
  78. Littlejohn Douglas J. (Sunnyvale CA) Hessler John H. (Sunnyvale CA) Watkins Baxter R. (Foster City CA). Wheelchair stair climbing control system. USP1992065123495.
  79. Dickie Paul C.. Wheelchair suspension. USP200008D429665.
  80. Engman Bo H. S. (Sunds Bruk SEX). Wheeled chassis. USP1985044513832.
  81. William David Steadman. Wheeled conveyance. USP2002086428020.
  82. Mick Jeffrey (9304 Hess Rd. Edwardsville IL 62025). Wheeled vehicle arrangement for distributing agricultural materials in fields having undulations such as soft walled lev. USP1996105562172.

이 특허를 인용한 특허 피인용횟수: 79

  1. Mulhern,James P.; Levi,Ronald; Grymko,Christopher E.. Active anti-tip system for power wheelchairs. USP2008067389835.
  2. Levi,Ronald; Mulhern,James P.. Active anti-tip wheels for power wheelchair. USP2007067232008.
  3. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E.. Anti-tip system for a power wheelchair. USP2010067726689.
  4. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E.. Anti-tip system for a power wheelchair. USP2012058181992.
  5. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E.. Anti-tip system for a power wheelchair. USP2013048408598.
  6. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E.. Anti-tip system for a power wheelchair. USP2016129526664.
  7. Mulhern, James P.; Levi, Ronald; Grymko, Christopher E.. Anti-tip system for a power wheelchair. USP2016049301894.
  8. Mulhern,James P.; Levi,Ronald; Grymko,Christopher E.. Anti-tip system for a power wheelchair. USP2008087413038.
  9. Mulhern,James P.; Levi,Ronald. Anti-tip system for wheelchairs. USP2008017316282.
  10. Goertzen, Gerold; Nemcek, Michael. Anti-tip wheelchair. USP2010047694990.
  11. Da Cunha, Wifrid; Lauret, Aurelie; Robert, Mael; Roncin, Jean-Michel. Caster wheel. USP201507D735021.
  12. Mirzaie, Mehdi. Electric mid-wheel drive wheelchair. USP2016049320661.
  13. Mirzaie, Mehdi. Electric mid-wheel drive wheelchair. USP2014108851214.
  14. Cheng, Ming-Chuan. Electric scooter. USP201512D744380.
  15. Siao, Bo-Wun; Chang, Chieh-Mao. Electric scooter. USP201501D720660.
  16. Siao, Bo-Wun; Chang, Chieh-Mao. Electric scooter body. USP201501D720661.
  17. Huang,Shao Shih. Electric wheelchair frame. USP2007097273118.
  18. Chen, Yung Hsin; Liao, Yung Yuan. Electric wheelchair suspension. USP2009077556109.
  19. Mulhern, James P.; Antonishak, Stephen J.. Elevated height wheelchair. USP2017119808383.
  20. Mulhern, James P.; Antonishak, Stephen J.. Elevated height wheelchair. USP20181110130532.
  21. Wu, Donald P. H.. Front suspension system for an electric wheelchair. USP2016069358165.
  22. Van Eeden, Adriaan. Inter-convertible single person type transporting aid. USP2010097793950.
  23. Goertzen, Gerold; Null, Jr., William A.. Obstacle traversing wheelchair. USP2012058172016.
  24. Goertzen, Gerold; Null, William A.. Obstacle traversing wheelchair. USP2015109149398.
  25. Goertzen, Gerold; Null, William A.. Obstacle traversing wheelchair. USP2018069987177.
  26. Kruse, Thomas E.. Personal mobility vehicle. USP200904D590304.
  27. Kruse, Thomas E.. Personal mobility vehicle. USP2011020632229.
  28. Kiwak,Frederick; Jaffe,Jonathan; McConnell,Chris. Personal mobility vehicle suspension system having a compensation mechanism. USP2009037506709.
  29. Cheng, Ming-Chuan. Power wheelchair. USP2010087775307.
  30. Lin,Bing Shian. Power wheelchair. USP200902D585794.
  31. Puskar-Pasewicz, John; Alder, Kip D.. Powered wheelchair configurations and related methods of use. USP2010087766106.
  32. Puskar-Pasewicz, John; Alder, Kip D.. Powered wheelchair configurations and related methods of use. USP2018019872804.
  33. Puskar-Pasewicz, John; Alder, Kip D.. Powered wheelchair configurations and related methods of use. USP2013048408343.
  34. Puskar-Pasewicz, John; Alder, Kip D.. Powered wheelchair configurations and related methods of use. USP2012108292010.
  35. Puskar-Pasewicz, John; Alder, Kip D.. Powered wheelchair configurations and related methods of use. USP2016059333130.
  36. Cartis, Emilian; McKenna, Mark. Reclining chair. USP2016119504326.
  37. Bekoscke, Robert; Jurkiewicz, Damon; Fought, Gerald. Stability control system. USP2017119827823.
  38. Bekoscke, Robert; Jurkiewicz, Damon; Fought, Gerald. Stability control system. USP2016059346335.
  39. Goertzen, Gerold; Null, Jr., William A.; Cuson, Robert L.. Suspension for wheeled vehicles. USP2013098534679.
  40. Goertzen, Gerold; Null, William A.; Cuson, Robert L.. Suspension for wheeled vehicles. USP2018039925100.
  41. Goertzen, Gerold; Null, William A.; Cuson, Robert L.. Suspension for wheeled vehicles. USP2016069364377.
  42. Richter, Mark. System and method for adjusting a wheelchair seat. USP2015079073399.
  43. Shin,Wen Chyan. Vehicle adaptable to various terrains. USP2008107438145.
  44. Art, Christopher; White, Gerald; Tolan, Matthew; Grymko, Christopher. Wheelchair. USP2016109468571.
  45. Art, Christopher; White, Gerald; Tolan, Matthew; Grymko, Christopher. Wheelchair. USP2013128616309.
  46. Da Cunha, Wifrid; Lauret, Aurelie; Robert, Mael; Roncin, Jean-Michel. Wheelchair. USP201604D754569.
  47. Jurkiewicz, Damon; Greiner, Joshua Hamilton; Yee, Daniel James. Wheelchair. USP201201D653176.
  48. Jurkiewicz, Damon; Greiner, Joshua Hamilton; Yee, Daniel James. Wheelchair. USP201201D652357.
  49. Jurkiewicz, Damon; Greiner, Joshua; Yee, Daniel James; Watson, Daniel; Mohan, Traian; Bekoscke, Robert. Wheelchair. USP2014058727048.
  50. Spalding, Joseph; Yee, Daniel James; Mohan, Traian; Jurkiewicz, Damon. Wheelchair. USP201501D720663.
  51. Tuckowski, Thomas; Mohan, Traian; Bekoscke, Robert; Jurkiewicz, Damon; Yee, Daniel James; Spalding, Joseph; Loewenthal, Howard. Wheelchair. USP201501D720659.
  52. Tuckowski, Thomas; Mohan, Traian; Bekoscke, Robert; Jurkiewicz, Damon; Yee, Daniel James; Spalding, Joseph; Loewenthal, Howard. Wheelchair. USP2015018931583.
  53. Dahlin, Edward; Feldt, Mats; Ek, Susanne; Johansson, Ulf; Flink, Henrik; Holmqvist, Christopher. Wheelchair anti-tip. USP201609D765563.
  54. Dahlin, Edward; Feldt, Mats; Ek, Susanne; Johansson, Ulf; Flink, Henrik; Holmqvist, Christopher. Wheelchair armrest. USP201609D765562.
  55. Dugas, Eric; Landry, Carmon. Wheelchair base. USP2012058177257.
  56. Da Cunha, Wifrid; Lauret, Aurelie; Robert, Mael; Roncin, Jean-Michel. Wheelchair frame. USP201602D749019.
  57. Da Cunha, Wifrid; Lauret, Aurelie; Robert, Mael; Roncin, Jean-Michel. Wheelchair frame. USP201502D722286.
  58. Dahlin, Edward; Feldt, Mats; Ek, Susanne; Johansson, Ulf; Flink, Henrik; Holmqvist, Christopher. Wheelchair frame. USP201611D770334.
  59. Dahlin, Edward; Feldt, Mats; Ek, Susanne; Johansson, Ulf; Flink, Henrik; Holqmvist, Christopher. Wheelchair frame. USP201611D770946.
  60. Spalding, Joseph; Jurkiewicz, Damon; Yee, Daniel James; Mohan, Traian. Wheelchair frame. USP201202D654408.
  61. Spalding, Joseph; Jurkiewicz, Damon; Yee, Daniel James; Mohan, Traian. Wheelchair frame. USP201501D721017.
  62. Spalding, Joseph; Yee, Daniel James; Jurkiewicz, Damon; Loewenthal, Howard. Wheelchair seat. USP201308D687744.
  63. Loewenthal, Howard; Mohan, Traian; Bekoscke, Robert; Jurkiewicz, Damon; Yee, Daniel James. Wheelchair seat assembly. USP2017019532912.
  64. Spalding, Joseph; Yee, Daniel James; Jurkiewicz, Damon; Mohan, Traian. Wheelchair shroud. USP201203D656070.
  65. Bekoscke, Robert; Burns, Kevin. Wheelchair suspension. USP2017079700470.
  66. Bekoscke, Robert; Burns, Kevin. Wheelchair suspension. USP2016049308143.
  67. Bekoscke, Robert; Jurkiewicz, Damon. Wheelchair suspension. USP2017039603762.
  68. Bekoscke, Robert; Jurkiewicz, Damon. Wheelchair suspension. USP2012098272461.
  69. Bekoscke, Robert; Jurkiewicz, Damon. Wheelchair suspension. USP2014088794359.
  70. Cuson, Robert L.; Bekoscke, Robert A.; Stothard, Daniel J.. Wheelchair suspension. USP2018039913768.
  71. Cuson, Robert L.; Bekoscke, Robert A.; Strothard, Daniel J.. Wheelchair suspension. USP2015049010470.
  72. Fought, Gerald E.. Wheelchair suspension. USP2013118573341.
  73. Molnar, James H.. Wheelchair suspension. USP2016069370455.
  74. Molnar, James H.. Wheelchair suspension. USP2015018925943.
  75. Molnar, James H.. Wheelchair suspension. USP2012058172015.
  76. Molnar,James H.. Wheelchair suspension. USP2009017472767.
  77. Ek, Susanne; Johansson, Ulf; Flink, Henrik. Wheelchair table. USP201609D765839.
  78. Bekoscke, Robert; Jurkiewicz, Damon; Fought, Gerald. Wheelchair with suspension. USP2014128910975.
  79. Lindenkamp, Horst; Farwer, Jens. Wheelchair with suspension arms. USP2012108297388.