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Adjustable lumbar support mechanism for a vehicular seat 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A47C-003/00
  • A47C-025/00
출원번호 US-0526454 (1990-05-21)
발명자 / 주소
  • Wainwright John C. (Riverview MI) Colasanti Arduino (East Detroit MI)
출원인 / 주소
  • Lear Seating Corporation (Southfield MI 02)
인용정보 피인용 횟수 : 70  인용 특허 : 0

초록

An adjustable lumbar support mechanism (20) includes a screw shaft (36) having spaced apart right hand (38) and left hand (40) thread convolutions. A traveling nut (42, 44) is disposed in coacting engagement with each of the right hand (38) and left hand (40) threads for linear movement in opposite

대표청구항

An adjustable lumbar support assembly (20) of the type disposed within a seat backrest (24) for altering the contour of the backrest (24) to provide lumbar support, said assembly (20) comprising: lumbar adjustor means (20) adapted for inclusion within a seat backrest (24) for incrementally adjusting

이 특허를 인용한 특허 (70)

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  29. Lofy, John; Walsh, Ryan, Low-profile blowers and methods.
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  40. McMillen,Robert, Method and apparatus for a scissors ergonomic support.
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  46. Hsiao, Hsueh-Sheng, Pad structure for a chair back.
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