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Synchronous adjusting device for office chairs or the like 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A47C-001/02
출원번호 US-0752503 (1991-08-29)
우선권정보 DE-3943282 (1989-12-29)
국제출원번호 PCT/DE90/00994 (1990-12-21)
§371/§102 date 19910829 (19910829)
국제공개번호 WO-9109554 (1991-07-11)
발명자 / 주소
  • Roericht Hans (Ulm DEX) Fleischmann Horst (Mnchen DEX) Biggel Franz (Wangen DEX) Schmitz Burkhard (Ulm DEX)
출원인 / 주소
  • Wilkhahn Wilkening & Hahne GmbH & Co. (Bad Mnder DEX 03)
인용정보 피인용 횟수 : 71  인용 특허 : 0

초록

A synchronous adjusting device is proposed as a chair mechanism for office chairs, seat furniture or the like, which is constructed extremely simply and with few mechanical components and which, if appropriate, can do without additional force accumulators. At the same time, the restoring movement of

대표청구항

A chair comprising (a) a carrier structure of fixed location; said carrier structure having front and rear regions; (b) a back part having first and second locations of articulation; said first location of articulation being at a height level above said second location of articulation; said first an

이 특허를 인용한 특허 (71)

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