$\require{mediawiki-texvc}$
  • 검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
  • 검색연산자
검색연산자 기능 검색시 예
() 우선순위가 가장 높은 연산자 예1) (나노 (기계 | machine))
공백 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 예1) (나노 기계)
예2) 나노 장영실
| 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 예1) (줄기세포 | 면역)
예2) 줄기세포 | 장영실
! NOT 이후에 있는 검색어가 포함된 문서는 제외 예1) (황금 !백금)
예2) !image
* 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 예) semi*
"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

Manhole head assembly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E02D-029/14   
미국특허분류(USC) 404/26 ; 52/20
출원번호 US-0411323 (1995-03-27)
발명자 / 주소
인용정보 피인용 횟수 : 25  인용 특허 : 0
초록

The manhole head assembly is for mounting a cover onto a manhole frame. This assembly has a lower annular rim member and an upper annular rim member. The lower member has a bottom side sized and shaped to rest on the manhole frame. It also has an opposite top side which has an inner surface portion sized and shaped to receive and support the peripheral bottom portion of the cover, and an outer surface portion. The upper annular rim member has a bottom side sized and shaped to rest onto the outer surface portion of the top side of the lower rim member in ...

대표
청구항

A manhole head assembly for mounting a cover onto a manhole frame, said cover having a peripheral sidewall of a given thickness and a peripheral bottom portion, said manhole head assembly comprising: (a) a lower annular rim member having: a bottom side sized and shaped to rest on the manhole frame; and an opposite top side having: an inner surface portion sized and shaped to receive and support the peripheral bottom portion of the cover; and an outer surface portion; (b) an upper annular rim member having: a bottom side sized and shaped to rest onto the ...

이 특허를 인용한 특허 피인용횟수: 25

  1. Meyers, Theodore W.. Adapter ring for on-site waste treatment or drainage systems. USP2010087770333.
  2. Sondrup, Chris. Adjustable height utility access device. USP2003026524026.
  3. Chris Sondrup. Adjustable manhole apparatus. USP2002106457901.
  4. Gaspar, Chris. Adjustable support apparatus for a utility access cover. USP2014108858114.
  5. Gumbley, Neil Watson. Adjustable supports for access hatch frames. USP2014108870490.
  6. Sondrup, Chris. Adjustable utility access. USP2005106955499.
  7. Sinclair David Brent,CAX. Adjustment riser. USP2001036196760.
  8. Kochling, Edmund T.. Adjustment riser for a manhole frame. USP2005106953302.
  9. Sondrup, Chris. Angle adjustable utility access and method. USP2004106799920.
  10. Sondrup, Chris. Height and angle adjustable utility access device and method. USP2003026520713.
  11. Godfrey, Steven A.. Hydraulically adjustable manhole ring. USP2004026692183.
  12. Kuan, Huan-Chang. Jump-proof manhole-handhole. USP2004026688806.
  13. Wiedrich Dwight G.. Manhole adjusting extension member. USP1999095956905.
  14. Sinclair, David Brent. Manhole cover assembly with cams. USP2016049322144.
  15. Fukuhara Masaru,JPX. Manhole cover receiving frame. USP1999115974741.
  16. Roush Warren H. ; Roush Anne F.. Manhole extender ring system and method of use. USP1999085944442.
  17. Sinclair David Brent,CAXITX H9X 3A4. Manhole or catch basin assembly. USP2000126161984.
  18. Meyers,Theodore W.. Multi-use adapter ring for stackable riser components for on-site waste systems. USP2008037347644.
  19. P. Dennis McNeely. Nondestructive system for adjusting manhole and catch-basin elevations. USP2002086435764.
  20. Brady,Robert C.; Brady,Aidan R.. Reinforced composite manhole cover assembly. USP2009027484909.
  21. Meyers, Theodore W.. Riser pan component for on-site waste systems. USP2009087574831.
  22. Meyers, Theodore W.. Riser pan component for on-site waste systems. USP2011087997031.
  23. Gavin, Norman W.. Riser section and cover therefor. USP2003126655093.
  24. Seymour, II,Kenneth R.; Estacio,Edgardo Y.; Serio,John A.. Sealing system for multiple fluids. USP2007067234706.
  25. Norman Gavin. Stackable riser resistant to soil movement. USP2002116484451.