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특허 상세정보

Pneumatic cylinder

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F15B-015/22    F15B-015/00    F01B-003/00   
미국특허분류(USC) 092/085.B; 092/113; 091/395
출원번호 US-0382913 (2006-05-11)
등록번호 US-7395749 (2008-07-08)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Nexus Law Group LLP
인용정보 피인용 횟수 : 6  인용 특허 : 15
초록

A pneumatic cylinder having a cushioning valve assembly. A tubular body is capped by a pair of cylinder heads. A hollow cylinder rod having a piston assembly and cushioning valve assembly is seated within the tubular body for reciprocating action therein. The piston assembly is formed of a piston having a bore passing longitudinally therethrough and a cylindrical collar. The collar is mounted about the outside of one end of the hollow cylinder rod and the piston caps the end. The cushioning valve assembly comprises an elongated rod having a cushion pisto...

대표
청구항

What is claimed is: 1. A pneumatic cylinder comprising: a tubular body having first and second ends and defining an interior chamber; a cylinder rod having a piston end and an actuation end, said cylinder rod being hollow and passing through an opening located in said first end of said tubular body such that said piston end is located within said interior chamber and said actuation end is located outside of said tubular body, said piston end of said cylinder rod having an external threaded surface and an internal threaded surface; a piston assembly, sai...

이 특허에 인용된 특허 (15)

  1. Hirano Akihiro,JPX ; Nishimata Kenichi,JPX. Air cylinder with cushion mechanism. USP2001086279451.
  2. Tagge, James E.; Howansky, Andrew P.; Koneazny, James G.. Bi-fluid actuator. USP2004036711984.
  3. Murray Kenneth R. (Mentor OH). Cushioning device for a hydraulic jack. USP1977024006666.
  4. Sonntag Udo (Kamp-Lintfort DEX). Fluid-powered cylinder. USP1997125692429.
  5. Wang John (No. 129 ; Tuan-Chu Lane Tuan-Chu Li ; Chiayi City TWX). Height adjusting device. USP1992055115723.
  6. Sead Veletovac CH. Hydrostatic displacement drive for lifting and lowering and holding loads, in particular for lifts. USP2002076422349.
  7. Bonenberger Hartmut (Puchheim-Nord DEX) Kirchner Holger (Ruppichteroth DEX) Wagner Kurt (Grbenzell DEX). Impact damper. USP1994025285877.
  8. Rene Fransen NL. Operating cylinder. USP2002056386147.
  9. Kaspers Rudiger (Tonisvorst DEX). Pneumatic control drive. USP1994015279325.
  10. Ward Allan (Wimborne GB2) Trimmer David J. (Poole GB2). Pneumatic cylinder and control valve therefor. USP1997045623861.
  11. Kim Hyoung-Eui (Kyungnam KRX) Kim Dong-Soo (Kyungnam KRX). Pneumatic cylinder utilizing cushioning sleeves, quick exhaust valves and quick supply valves. USP1996055517898.
  12. Yamashita Yoshisuke (Yawara JPX) Kaneko Kunihisa (Yawara JPX) Fujiwara Nobuhiro (Yawara JPX). Pneumatic cylinder with cushion mechanism. USP1995065423243.
  13. Harju Bert,SEX. Pneumatic reciprocatory actuator and method of operating it. USP2001036202536.
  14. Gottlieb Nathan (Southfield MI). Self-contained activated slide apparatus and methods of constructing and utilizing same. USP1976113994539.
  15. Kaji Shoichi (Yamanashi JPX). Valve driving apparatus. USP1982104355566.