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특허 상세정보

Folding cart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00   
미국특허분류(USC) 280/651; 280/042
출원번호 US-0753541 (2001-01-02)
발명자 / 주소
대리인 / 주소
    Rosenberg, Klein & Lee
인용정보 피인용 횟수 : 53  인용 특허 : 13
초록

The present folding cart is comprised of a rectangular bag and flexible support panel positioned within a rectangular frame, and wheels connected to the frame by legs. The frame is comprised of pairs of scissoring members on the ends and sides for being quickly collapsible in two dimensions. The ends of the scissoring members in each pair are offset toward each other at the corners of the frame to avoid binding during folding. An arched section is provided in each leg at one end of the frame that curve around the wheel at the other end of the frame when ...

대표
청구항

1. A folding cart, comprising:a collapsible frame which is extended in a vertical direction and compacted in two horizontal directions when collapsed, said frame being defined by front and rear scissoring assemblies, and at least a pair of side scissoring assemblies extending transversely between said front and rear scissoring assemblies, each said front, rear, and side scissoring assembly including at least one pair of crossed scissoring members pivotally joined at an intermediate point, at least one scissoring member of each said front and rear scissor...

이 특허를 인용한 특허 피인용횟수: 53

  1. McNeave, Jessica. Amphibious utility wagon. USP2018059969227.
  2. Liu, Julian. Brake assembly for a height-adjustable walker apparatus. USP20180810053062.
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  5. Buttazzoni, Luca; Bernal, Andres. Castor supported dolly assembly capable of being made from lightweight materials and of being used as a pallet assembly. USP2016089409585.
  6. Bernal, Andres; Buttazoni, Luca. Castor supported dolly assembly capable of being made from lightweight materials and so as to be disposable or severable. USP2014118876145.
  7. Buttazzoni, Luca; Bernal, Andres. Castor supported dolly assembly capable of being made from lightweight materials and so as to be disposable or severable. USP2014118876127.
  8. Bess, Suzan L.. Collapsible and portable wheeled dolly particularly suitable for use by students or others in the transport of items. USP2010067731221.
  9. Roselle, Michael J.. Collapsible carrier. USP2012048162349.
  10. Cannon, John. Collapsible trailer and method for use of same. USP2010087770913.
  11. Yang, Baoqing; Abernathy, Matthew. Collapsible wagon and method of collapsing a wagon. USP2015079073564.
  12. Yang, Baoqing; Abernathy, Matthew. Collapsible wagon and method of collapsing a wagon. USP2015129211897.
  13. Yang, Baoqing; Markle, Ron. Collapsible wagon comprising a tailgate. USP2017089738298.
  14. Fitzwater, Jason; Eckert, Cameron; Boyle, Michael S.. Foldable wagon. USP20180910081380.
  15. Young, Matthew E.; Sandlin, Randall A.; Schlegel, Thomas K.; Eckert, Cameron. Foldable wagon. USP2016059327749.
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  17. Liu, Julian. Foldable walker apparatus. USP2015119192541.
  18. Liu, Julian. Foldable walker apparatus. USP2015059022413.
  19. Liu, Julian. Foldable walker apparatus. USP2013088517399.
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  22. Liu, Julian. Foldable walker apparatus. USP2013088505936.
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  29. Liu, Julian. Foldable walker apparatus. USP2013058448960.
  30. Chen, Zhaosheng; Chen, Yishun. Folding table umbrella wagon. USP2015089101206.
  31. Treadwell, Simon. Folding travel wagon. USP2015119187109.
  32. Treadwell, Simon. Folding travel wagon. USP201503D723762.
  33. Jin, Xugang; Xu, Xuping. Folding trolley. USP2015069056621.
  34. Chen, Zhaosheng; Chen, Yishun. Folding wagon. USP2012078220824.
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  36. Horowitz, Brian. Folding wagon. USP2015099145154.
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  39. Ostergaard, Collin; Goodman, Anne. Folding wagon. USP201708D794133.
  40. Horowitz, Brian. Folding wagon having a cooler and a removable table connected thereto. USP2017049623890.
  41. Choi, Yejin. Infant wagon having improved convenience of use. USP2018049950729.
  42. Buttazzoni, Luca. Lightweight dolly assembly. USP2014128910955.
  43. Vargas, II, Henry; DuPriest, II, Robert Stewart. Mobile cart. USP2017029580095.
  44. Purdy, Chrissie. Mobile, collapsible table and storage assembly. USP2013078480117.
  45. Buttazzoni, Luca; Bernal, Andres. Modular dolly kit. USP2014048684372.
  46. Pang, Wei. Multi-functional folding cart. USP2018049950727.
  47. Herlitz, Todd; Byrne, Emily. Multipurpose wagon. USP2016059333977.
  48. Poppinga, Lucas; Maijers, Cornelis Albert. Pull cart. USP2009067547037.
  49. Buttazzoni, Luca; Bernal, Andres. Self-contained dolly assembly. USP2017029566993.
  50. Buttazzoni, Luca; Bernal, Andres. Self-contained dolly assembly. USP2015049010798.
  51. Liu, Julian. Set of seat cushions. USP201809D828701.
  52. Liu, Julian; Cinguino, Nicolas. Walker apparatus and backrest therefor. USP2017089744094.
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