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

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A47C-007/02
출원번호 US-0103382 (1993-08-09)
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 : 62  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. The bottom shell structure has a bottom portion and a partial backrest portion that are connected by a curved portion with plural slots. Sideways notches are connected to t

대표청구항

A shell structure for a backrest of a chair comprising: a main structure having a jagged horizontal cross-sectional shape with a plurality of projections and grooves therebetween that extend parallel to a longitudinal direction of said main structure said grooves being shallower in a lower portion o

이 특허를 인용한 특허 (62)

  1. Arnold B. Dammermann ; Kurt Heidmann ; Bruce M. Smith ; Michael W. Welsh, Adjustable lumbar support.
  2. Walker, Brock; Groelsma, John C.; Aldrich, John F., Backrest.
  3. Su, Tung Hua, Backrest assembly.
  4. Lucci, Roberto; Orlandini, Paolo, Chair.
  5. Lucci, Roberto; Orlandini, Paolo, Chair.
  6. Lucci, Roberto; Orlandini, Paolo, Chair.
  7. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  8. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  9. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  10. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  11. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  12. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  13. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Chair.
  14. Roberto Lucci IT; Paolo Orlandini IT, Chair.
  15. Smith, Bruce M.; Löw, Glen Oliver; Ludwig, James N.; Battey, Robert J.; Peterson, Gordon J.; Holdredge, Russell T.; Krupiczewicz, Todd D.; Brock, Nathan R., Chair.
  16. Smith, Bruce M.; Löw, Glen Oliver; Ludwig, James N.; Battey, Robert J.; Peterson, Gordon J.; Roslund, Jr., Richard N.; Holdredge, Russell T.; Krupiczewicz, Todd D.; Brock, Nathan R., Chair.
  17. Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
  18. Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
  19. Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; McCaughan, Nathan; Mydur, Pradeep; Holdredge, Russell T.; Vander Veen, Mark; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
  20. Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; McCaughan, Nathan; Mydur, Pradeep; Holdredge, Russell T.; Vander Veen, Mark; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
  21. Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; McCaughan, Nathan; Mydur, Pradeep; Holdredge, Russell T.; Vander Veen, Mark; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
  22. Peterson, Gordon J.; Vander Veen, Mark, Chair assembly with upholstery covering.
  23. Smith, Bruce M.; Peterson, Gordon J., Chair assembly with upholstery covering.
  24. Smith, Bruce M.; Peterson, Gordon J., Chair assembly with upholstery covering.
  25. Vander Veen, Mark; Peterson, Gordon J., Chair assembly with upholstery covering.
  26. Vander Veen, Mark; Peterson, Gordon J.; Smith, Bruce M., Chair assembly with upholstery covering.
  27. Nagel Duane F. ; Beemer Daniel P. ; Groendal Dale M. ; Hall Jeffrey A. ; Tyler Edward L., Chair back construction.
  28. Nagel Duane F. ; Beemer Daniel P. ; Groendal Dale M. ; Hall Jeffrey A. ; Tyler Edward L., Chair back construction.
  29. Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Andres, Todd T., Chair back mechanism and control assembly.
  30. Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Andres, Todd T., Chair back mechanism and control assembly.
  31. Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Holdredge, Russell T.; Andres, Todd T., Chair back mechanism and control assembly.
  32. Lucci, Roberto; Orlandini, Paolo, Chair seat.
  33. Rinne Tommi,SEX ITX 136 67 ; Rinne Yrjo,SEX ITX 136 61, Chair seat cushion and chair seat with such a cushion.
  34. Lucci, Roberto; Orlandini, Paolo, Chair seat with arms.
  35. Lucci, Roberto; Orlandini, Paolo, Chair shell.
  36. Lucci, Roberto; Orlandini, Paolo, Chair with synchronously moving seat and seat back.
  37. Lucci, Roberto; Orlandini, Paolo, Chair with synchronously moving seat and seat back.
  38. Conner John P. ; Finney Steven E. ; Thalen Richard A. ; Russell Robert L. ; Coffield Tim, Contoured plastic seat back.
  39. Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
  40. Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
  41. Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
  42. Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
  43. Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R.; Peterson, Gordon Jay; Krupiczewicz, Todd David, Control assembly for chair.
  44. Battey, Robert J.; Karsten, Gary L.; Heidmann, Kurt R.; Andres, Todd T., Control assembly for chair.
  45. Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Andres, Todd T., Control assembly for chair.
  46. Bellingar, Teresa A.; Wilkerson, Larry A.; Beyer, Peter J., Flexible seating surface.
  47. Bellingar, Teresa A.; Wilkerson, Larry A.; Beyer, Peter J., Flexible seating surface.
  48. Vander Veen, Mark; Peterson, Gordon J.; Smith, Bruce M., Method of assembling a chair component.
  49. Sawhney, Ravi K., Portable table and seating combination.
  50. Sawhney, Ravi K., Portable table and seating combination.
  51. Sawhney, Ravi K., Portable table and seating combination.
  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. Ludwig, James N.; Deevers, Nickolaus William Charles; Heidmann, Kurt R.; Johnson, William Thomas; Smith, Bruce M.; Spoelhof, Mark William, Seating arrangement.
  58. Ludwig, James Nolan; Deevers, Nickolaus William Charles; Heidmann, Kurt; Smith, Bruce Michael; Spoelhof, Mark William, Seating arrangement.
  59. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Seating shell.
  60. Ludwig, James Nolan; Smith, Bruce Michael; Spoelhof, Mark William; Heidmann, Kurt; Deevers, Nickolaus William Charles, Seating shell.
  61. Gupta,Vikas; Palmieri,Jane M.; Heckert,Mick F.; Korchnak,Gregory J.; Kurtycz,Eric R.; Reny,Gregory P., Seating system and method for making same.
  62. Bedford, Adam C.; Peterson, Gordon J.; Karsten, Gary Lee; Battey, Robert J.; Hall, Jeffrey A., Seating unit with adjustable lumbar device.
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