$\require{mediawiki-texvc}$
  • 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

Push cart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/20   
미국특허분류(USC) 280/040 ; 280/047.315
출원번호 US-0141413 (1998-08-27)
발명자 / 주소
대리인 / 주소
    Rosenberg, Klein & Lee
인용정보 피인용 횟수 : 30  인용 특허 : 6
초록

A push cart comprises a main frame, a handle, a front support, two wheel frames, two wheels, a retractable rod and a rear support, wherein the main frame has a pair of side rods connected with a pair of rods of the handle in a slidable manner, the center portion of the main frame is connected to each other, and the lower portion of the main frame has connected with a wheel frame and a wheel respectively. The lower respective ends of the main frame are connected with respective ends of the front support which then meshes with the wheel frame. The respecti...

대표
청구항

[ I claim:] [1.] A push cart comprising a main frame, a handle, a front support, two wheel frames, two wheels, a retractable rod and a rear support, wherein said main frame having the respective sides connected to respective sides of said handle in a slidable manner, the center portion of said main frame being connected to respective sides of said rear support, the lower portions of said main frame being connected to said wheel frames which then connected to said wheels, respectively, the lower ends of said main frame being connected to respective sides ...

이 특허를 인용한 특허 피인용횟수: 30

  1. Thomas A. Garland. Collapsible stroller. USP2002066402186.
  2. James Tsai TW. Collapsible trolley. USP2002076425599.
  3. Powwarynn, Thomas. Combination motorized wheeled vehicle and portable hand truck. USP2017059663130.
  4. O'Connor, Charles S.. Convertible carrying case systems and collapsible wheeled carts for carrying cases. USP2009117614628.
  5. Leung, Anthony Kit Lun. Convertible transport apparatus. USP2014018622415.
  6. Herbault, Patrick; Marques, Frédéric; Saulnier, Fabien. Convertible transport trolley having a pair of fold-away legs and simultaneously fold-away wheels. USP2017059643628.
  7. Zimmer,J��rgen. Dolly. USP2008067387306.
  8. Jian, Shikun. Flat platform cart with collapsible casters. USP2010087784816.
  9. Su, Chung-Hsiu. Foldable cart. USP2015129199655.
  10. Chang, Wen-Tung; Ho, Edwin. Foldable hand cart. USP2013128602444.
  11. Tsai,Chun Sheng. Foldable handcraft capable of being carried about on its wheels after being folded. USP2008107441785.
  12. Su, Chung-Shiu. Hand trolley. USP20180810040466.
  13. Tsai, Hai-Ming. Hand trolley with a load tray co-working with wheel sets. USP2015018936259.
  14. Tsai,Haiming. Hand truck. USP2008077398990.
  15. Zimmer, Jurgen. Handcart. USP200401D485038.
  16. Chin-Lin Chang TW. Handcart with foldable wheels. USP2002056386558.
  17. Tsai,Haiming. Handle positioning device for a hand truck. USP2007037195255.
  18. Chung, Chen-Yu; Wen, Zi-Cong. Ladder assembly having the function of a carrier. USP2013048408361.
  19. Gibson, William R. Load carrier with mode changer. USP2015089096249.
  20. Gibson, William R. Load carrier with mode changer. USP2015129211894.
  21. Gibson, William R. Load carrier with mode changer. USP20181110118633.
  22. Deane, Geoffrey Frank; Taylor, Brenton Alan; Bare, Rex O.. Mobility cart for transporting oxygen concentrators and related accessories. USP200509D510169.
  23. Wang, Wen-Fa. Multi-function cart. USP2017059637149.
  24. Gibson, William R. Multi-mode hand truck. USP2017049616907.
  25. Charles M. Weldon. Portable cooler caddy and cup holder. USP2002056386557.
  26. Johnson,Chris; McMillan,A. C.. Portable luggage carts/carriers. USP2006117140635.
  27. Hsieh, Hung-Ching; Hsieh, Hung-Hsin. Trolley recessed fixed frame. USP201409D713113.
  28. Su,Chung Shiu. Trolley structure. USP2006087097183.
  29. Larson, Donald O.; Larson, Kasey P.. Wheeled attachment for a litter. USP2013048424899.
  30. Moskowitz, Max; Katz, Dov; Katz, Bezalel. Wheeled suitcase with auxiliary wheels on legs and undercarriage therefor. USP2017049615638.