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특허 상세정보

Push-in fitting for electrical metallic tubing with enhanced sealing and continuity

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16L-011/118   
미국특허분류(USC) 285/154.1; 285/305
출원번호 US-0883345 (2010-09-16)
등록번호 US-8474877 (2013-07-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fattibene and Fattibene LLC
인용정보 피인용 횟수 : 12  인용 특허 : 22
초록

An electrical fitting in the form of a connector or coupler for connecting an electrical metallic tube or EMT to an electrical box or panel or to one another. A unidirectional locking device is disposed in an outermost chamber and an O-ring is disposed in an intermediate chamber. The unidirectional locking device has gripping tangs. The intermediate chamber and gripping tangs are sized so as to prevent the gripping tangs from contacting the O-ring. A contact shoulder is used on one end of the fitting to prevent excessive compression of a sealing washer. ...

대표
청구항

1. An electrical push-in fitting for holding an electrical metallic tube comprising: a fitting body having an inlet end portion, an outlet end portion, and a bore extending therethrough,an outer chamber adjacent the inlet end portion;an intermediate chamber having an intermediate chamber axial dimension adjacent said outer chamber;a tube chamber placed adjacent said intermediate chamber;a unidirectional locking device having a plurality of gripping tangs placed within said outer chamber, with the plurality of gripping tangs extending into the intermediat...

이 특허에 인용된 특허 (22)

  1. Pate ; Harold T.. Combination pipe fitting and retainer ring. USP1978024073514.
  2. Lyall, III, Lucian H.; Boros, Stephen J.; Inhofe, Jr., James A.. Conduit coupling with interior grip rings. USP2003126663145.
  3. Paskert Joseph H. (Lakewood OH). Coupling. USP1976123995897.
  4. Le Quere, Philippe. Device for connecting a pipe end to a member. USP2003026517124.
  5. Gretz, Thomas J.. Electrical fitting for easy snap engagement of cables. USP2004016682355.
  6. Yang Ming-Tung (No. 4-3 ; Lane 97 ; Lung Chuan St. Taipei Hsien TWX). Fast connection joint of fitting outlet. USP1994025284582.
  7. Snyder, Sr., Ronald R.; Wilk, Jr., Charles E.; Thau, Jr., Lawrence W.; Dole, Douglas R.; Carom, Terrance M.. Mechanical pipe coupling derived from a standard fitting. USP2005076913292.
  8. Schnittker William E. (St. Louis MO). Metal clad cable connector. USP1989124885429.
  9. Olson,Mark H.. Nut type raintight threadless couplings and connectors for electrical conduits. USP2006016988746.
  10. Zeidler Siegmund (Hanau DEX). Pipe coupling. USP1989044819974.
  11. Grenier Wilfred J. (Rutland MA). Pipe joint assembly. USP1997125695224.
  12. Kotsakis ; Mike D. ; Schwarz ; Albert J.. Push-pull fitting. USP1978104123090.
  13. Alan D. Osterkil. Push-to-connect tubing fitting. USP2002016334634.
  14. Saulnier Charly J. (Bonne FRX). Quick connector coupling for semi-rigid hose. USP1981094288113.
  15. Helm Homer E. (Troy MI). Releasable tube coupling. USP1980014181329.
  16. Gretz, Thomas J.. Snap engagement electrical fitting for EMT. USP2003126670553.
  17. Thomas J. Gretz. Snap in cable connector. USP2002016335488.
  18. Thomas S. Stark ; Thomas J. Gretz. Threaded snap in connector. USP2002036352439.
  19. Jerry E. O'Neill ; Charlie Whitney. Tube coupling. USP2002106464266.
  20. James P. Cornwell. Tube fitting. USP2002096450550.
  21. Kiely, Kenneth M.. Tubing and conduit coupling or connector assembly. USP2004076765143.
  22. Kiely,Kenneth M.. Weatherproof compression connecting assembly for securing electrical metal tubing. USP2008067390027.

이 특허를 인용한 특허 피인용횟수: 12

  1. DeCesare, Christopher W.; Smith, Lawrence J.. Co-molded sealing ring for use in an electrical fitting, and a raintight compression connector and raintight compression coupler incorporating a co-molded sealing ring. USP20190310240694.
  2. Morris, William Boykin; Nahrgang, Gregory Eugene; Miloser, Adam John; Simpkins, Haskell; States, III, Robert Gerald. Mechanical pipe coupling assembly without adhesive or bonding agent. USP2017029568127.
  3. Morris, William Boykin; Nahrgang, Gregory Eugene; Miloser, Adam John; Simpkins, Haskell; States, Robert Gerald. Mechanical pipe coupling assembly without adhesive or bonding agent. USP2014088801048.
  4. Thomas, Jason Peter; The, Agus Suryana; Hlade, Jeffrey Ryan. Push to connect weatherproof box. USP20180810044177.
  5. Smith, Lawrence J.. Push-on type grounding bushing. USP2016029257795.
  6. Smith, Lawrence J.. Push-on type grounding bushing. USP201506D733064.
  7. Smith, Lawrence J.. Push-on type grounding bushing. USP201602D749047.
  8. Gretz, Thomas J.. Rain tight fitting for electrical metal tubing. USP2017119831649.
  9. DeCesare, Christopher W.; Smith, Lawrence J.. Raintight compression connector and raintight compression coupler for securing electrical metallic tubing or rigid metallic conduit. USP2016059343883.
  10. DeCesare, Christopher W.; Smith, Lawrence J.. Raintight compression connector and raintight compression coupler for securing electrical metallic tubing or rigid metallic conduit. USP2017109787070.
  11. Smith, Lawrence J.. Raintight fitting connector body. USP201705D787648.
  12. Gretz, Thomas J.. Transition fitting for photovoltaic installations. USP20190410263361.