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Shell structure for use with a chair having synchronously moving seat and seat back 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A47C-007/02
출원번호 US-0813788 (1991-12-27)
우선권정보 JP-0144074 (1991-05-21); JP-0290393 (1991-10-11)
발명자 / 주소
  • Ishi Yuji (Osaka JPX) Nagao Toru (Osaka JPX) Sato Harumatsu (Tokyo JPX)
출원인 / 주소
  • Itoki Co., Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 67  인용 특허 : 0

초록

A shell for a chair in which a bottom shell structure and a backrest shell structure are connected to supporting frame members such that when a light load is applied to the separate backrest shell the backrest shell will bend to accommodate the load, whereas when a heavy load is applied to the backr

대표청구항

A shell structure for use with a chair having a synchronously moving seat and seat back, the shell structure for the seat comprising: a bottom portion and a back portion of the same material, with a curved connecting portion therebetween; said curved connecting portion having at least two slots exte

이 특허를 인용한 특허 (67)

  1. Arnold B. Dammermann ; Kurt Heidmann ; Bruce M. Smith ; Michael W. Welsh, Adjustable lumbar support.
  2. Prince, Jonathan William; Wilkinson, Paul Michael, Arm assembly for a chair.
  3. Schmitz, Johann Burkhard; Plikat, Claudia; Neubert, Nicolai; Zwick, Carola E. M.; Zwick, Roland R. O., Back support structure.
  4. Brueske, Joachim, Backrest for an office chair.
  5. Footitt, Ian Colin; Wilkinson, Paul Michael, Castored base for an office chair.
  6. Behar, Yves; Recor, Bret; Li, Qin; Edahiro, Naoya; Murphy-Reinhertz, Noah, Chair.
  7. Behar, Yves; Recor, Bret; Li, Qin; Edahiro, Naoya; Murphy-Reinhertz, Noah; Swinton, Matthew, Chair.
  8. Behar, Yves; Recor, Bret; Li, Qin; Edahiro, Naoya; Murphy-Reinhertz, Noah; Swinton, Matthew, Chair.
  9. Behar, Yves; Recor, Bret; Li, Qin; Edahiro, Naoya; Murphy-Reinhertz, Noah; Swinton, Matthew, Chair.
  10. Lucci, Roberto; Orlandini, Paolo, Chair.
  11. Lucci, Roberto; Orlandini, Paolo, Chair.
  12. Lucci, Roberto; Orlandini, Paolo, Chair.
  13. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  14. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  15. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  16. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  17. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  18. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  19. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  20. Roberto Lucci IT; Paolo Orlandini IT, Chair.
  21. Schmitz, Johann Burkhard; Plikat, Claudia; Zwick, Carola E. M.; Zwick, Roland R. O., Chair.
  22. Krupiczewicz, Todd D.; Hall, Jeffrey A.; Peterson, Gordon J.; Groendal, Dale M., Chair assembly.
  23. Krupiczewicz, Todd D.; Hall, Jeffrey A.; Peterson, Gordon J.; Groendal, Dale M., Chair assembly.
  24. Krupiczewicz, Todd David; Hall, Jeffrey A.; Peterson, Gordon J.; Groendal, Dale M., Chair assembly.
  25. Smith, Bruce M.; Peterson, Gordon J.; Löw, Glen Oliver; Ludwig, James N.; Battey, Robert J., Chair assembly.
  26. Smith, Bruce M.; Peterson, Gordon J.; Löw, Glen Oliver; Ludwig, James N.; Battey, Robert J., Chair assembly.
  27. Krupiczewicz, Todd David; Hall, Jeffrey A.; Peterson, Gordon J.; Groendal, Dale M., Chair assembly method.
  28. Roudebush H. Richard, Chair back.
  29. Nagel Duane F. ; Beemer Daniel P. ; Groendal Dale M. ; Hall Jeffrey A. ; Tyler Edward L., Chair back construction.
  30. Nagel Duane F. ; Beemer Daniel P. ; Groendal Dale M. ; Hall Jeffrey A. ; Tyler Edward L., Chair back construction.
  31. Roossien Charles P. (Wyoming MI) Pugh David C. (Howard City MI) Groendal Dale M. (Jenison MI) Massey James E. (Wayland MI) Scheper Robert M. (Grand Rapids MI) Nagel Duane F. (Grand Rapids MI) Smith B, Chair construction and method of assembly.
  32. Knoblock Glenn A. (Kentwood MI), Chair control.
  33. Lucci, Roberto; Orlandini, Paolo, Chair seat.
  34. Lucci, Roberto; Orlandini, Paolo, Chair seat with arms.
  35. Lucci, Roberto; Orlandini, Paolo, Chair shell.
  36. Peterson, Gordon Jay, Chair upholstery attachment arrangement and method.
  37. Lucci, Roberto; Orlandini, Paolo, Chair with synchronously moving seat and seat back.
  38. Lucci, Roberto; Orlandini, Paolo, Chair with synchronously moving seat and seat back.
  39. Conner John P. ; Finney Steven E. ; Thalen Richard A. ; Russell Robert L. ; Coffield Tim, Contoured plastic seat back.
  40. Bellingar, Teresa A.; Wilkerson, Larry A.; Beyer, Peter J., Flexible seating surface.
  41. Bellingar, Teresa A.; Wilkerson, Larry A.; Beyer, Peter J., Flexible seating surface.
  42. Bellingar, Teresa A.; Wilkerson, Larry A.; Beyer, Peter J., Flexible seating surface.
  43. Burwell, Damon Gregory; Wilkinson, Paul Michael, Height adjustable arm assembly.
  44. Footitt, Ian Colin, Lumbar support.
  45. Footitt, Ian Colin, Lumbar support.
  46. Dettmann,Thomas; James,Paul; Ratnam,Diwa; Tuthill,Jodi; Reeves,Mark; Strand,Terry; Weber,Patrick, Music posture chairs.
  47. Grove, James E., No-tools seat plate assembly with seat lift gas cylinder receiver.
  48. Line, Johnathan Andrew; Hosbach, Christian J.; Casey, Carol; Kondrad, Marcos Silva, Power head restraint flexible closeout cover.
  49. Pennington, Mark Rundle; Fifield, Jon Leonard; Stewart, Robert Bruce, Reclinable chair.
  50. Pennington, Mark Rundle; Fifield, Jon Leonard; Stewart, Robert Bruce, Reclinable chair.
  51. Pennington,Mark Rundle; Fifield,Jon Leonard; Stewart,Robert Bruce, Reclinable chair.
  52. Roslund, Jr., Richard N., Recline adjustment system for chair.
  53. Cartis, Emilian; McKenna, Mark, Reclining chair.
  54. Conner John P. ; Finney Steven E. ; Thalen Richard A. ; Russell Robert L. ; Coffield Tim, Seat back with aperture identifiers.
  55. Conner John P. ; Finney Steven E. ; Thalen Richard A. ; Russell Robert L. ; Coffield Tim, Seat back with corner indentations.
  56. Conner John P. ; Finney Steven E. ; Thalen Richard A. ; Russell Robert L. ; Coffield Tim, Seat back with shaped internal ribs.
  57. Prince, Jonathan William; Pennington, Mark Rundle, Seat for a reclining office chair.
  58. Ludwig, James N.; Deevers, Nickolaus William Charles; Heidmann, Kurt R.; Johnson, William Thomas; Smith, Bruce M.; Spoelhof, Mark William, Seating arrangement.
  59. Ludwig, James Nolan; Deevers, Nickolaus William Charles; Heidmann, Kurt; Smith, Bruce Michael; Spoelhof, Mark William, Seating arrangement.
  60. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Seating shell.
  61. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Seating shell.
  62. Behar, Yves; Recor, Bret; Edahiro, Naoya; Li, Qin; Kurrasch, Andrew J.; Hill, Christopher C.; Matthai, John; Walker, Brock, Seating structure with a contoured flexible backrest.
  63. Behar, Yves; Recor, Bret; Edahiro, Naoya; Li, Qin; Kurrasch, Andrew J.; Hill, Christopher C.; Matthai, John; Walker, Brock, Seating structure with a contoured flexible backrest.
  64. Gupta,Vikas; Palmieri,Jane M.; Heckert,Mick F.; Korchnak,Gregory J.; Kurtycz,Eric R.; Reny,Gregory P., Seating system and method for making same.
  65. Fortin, Jacques, Self-reclining chair.
  66. Knoblock Glenn A., Synchrotilt chair.
  67. Michael Markwald DE, Traveling seat.
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