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특허 상세정보

Ladder-based cart apparatus

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A01M-031/02   
미국특허분류(USC) 182/116 ; 182/20
출원번호 US-0443731 (1995-05-18)
발명자 / 주소
인용정보 피인용 횟수 : 20  인용 특허 : 10
초록

A ladder-based cart apparatus includes a first ladder assembly and a second ladder assembly. A pair of wheel assemblies are supported by first ladder assembly at preselected positions along the first ladder assembly. Adjustable connection assemblies connect the wheel assemblies to the preselected positions along the first ladder assembly. Each connection assembly has a height which is less than respective widths of first lateral support members of the first ladder assembly so that translation of the second ladder assembly with respect to the first ladder...

대표
청구항

A ladder-based cart apparatus, comprising: a first ladder assembly which includes a pair of first lateral support members and a plurality of first rungs connected between said first lateral support members, a second ladder assembly which includes a pair of second lateral support members and a plurality of second rungs connected between said second lateral support members, a pair of wheel assemblies supported by said first lateral support members at preselected positions along said first lateral support members, and connection assembly means for connectin...

이 특허를 인용한 특허 피인용횟수: 20

  1. Dickmann Christopher. Collapsible game hauling carrier. USP2001096283496.
  2. Berry, David Lee. Combination tree stand, blind and equipment carrier. USP2003016505707.
  3. Molliere, Daryl W.. Combination work and recreation cart. USP2004116811180.
  4. Burton, Roger A.; Hendrickson, John R.. Convertible deer cart. USP2011067967325.
  5. Liles, Dale L.. Device for transporting and erecting a hunting ladder stand. USP2012028122998.
  6. Ronald M. Shields. Folding hunter ladder stand. USP2002016334508.
  7. Gannon, Donald C.. Ladder assist wheel. USP2003076585084.
  8. Perelli,Thomas; Schulz,Carl R.; Tokash,Robert J.; Zambanini,Adam. Ladder cart. USP200707D547921.
  9. Feik, Frederick G.. Ladder dolly. USP2004036708993.
  10. Abraham, Richard J.. Ladder transport system. USP2003076592134.
  11. Abraham,Richard J.. Ladder transport system. USP2008047350621.
  12. Moss,N. Ryan; Bowers,Jack W.. Ladder wheel pair. USP200801D560001.
  13. Myers Timothy R.. Multiple use convertible elevated stand and cart. USP2000046053278.
  14. Owens, Robert T.. Portable hunting stand apparatus and methods. USP2013118579082.
  15. Andrey, Gerard. Portable lookout. USP2003026520291.
  16. McKay, Kelvin. Portable wildlife observation and hunting tower. USP2004026688429.
  17. Miller Carlos Wayne. Tree stand ladder adapter. USP1999126003632.
  18. Hess, Robert L.. Tree stand with cable support. USP2003026516918.
  19. Feik,Frederick G.; Clark,Bruce D.. Wheel attachment for ladder. USP2006057036631.
  20. Spruth, Michael Paul; Allen, Dan. Wheeled ladder caddy. USP2017099751546.