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특허 상세정보

Stepladder dolly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/12   
미국특허분류(USC) 280/30 ; 280/652 ; 280/47131 ; 280/4727
출원번호 US-0074474 (1993-06-11)
발명자 / 주소
인용정보 피인용 횟수 : 22  인용 특허 : 0
초록

A wheeled stepladder dolly is disclosed wherein the dolly is engageable with both a step of the ladder and the existing cross braces on the support portion of a conventional stepladder to temporarily hold the stepladder in a fixed relationship with the dolly, thus providing a stepladder dolly assembly to be used for transporting heavy boxes of tools or the like. The engagement means are adjustable and configured to be adaptable for a number of brands and varieties of commercially available stepladders.

대표
청구항

A dolly for use with a conventional stepladder having a step portion including a pair of legs and a plurality of steps and a support portion including a pair of legs and a plurality of crossbraces, and with both stepladder portions being respectively pivotable in relation to one another to allow for an open and closed configuration, said dolly comprising: a support frame, said support frame including a leg engaging means arranged and configured to receive the legs of a stepladder, and a crossbrace engagement support means that further includes a step eng...

이 특허를 인용한 특허 피인용횟수: 22

  1. Katz, Amir. Collapsible clamping work table. USP2009097588255.
  2. Tornabene, Dean; Babkes, Mitchell H.; Howell, Henry J.. Combination hand truck, step ladder and dolly. USP2005046880835.
  3. Babkes,Mitchell H.. Combination step ladder, hand truck and dolly device. USP200607D524505.
  4. Jimmy J. Becker. Combined pair of ladders and transportation dolly device. USP2002116474663.
  5. Lawrence, Mark; Sirois, Michael G.; Watters, Robert D.; Busschaert, Jason F.; Yanbin, Tong; Tao, Han; Robson, Mark E.. Folding bench. USP2014068740207.
  6. Lawrence,Mark; Sirois,Michael G.; Watters,Robert D.; Busschaert,Jason F.; Yanbin,Tong; Tao,Han; Robson,Mark E.. Folding bench with hand truck capabilities. USP2006087090210.
  7. Lawrence, Mark; Sirois, Michael G.; Watters, Robert D.; Busschaert, Jason F.; Yanbin, Tong; Tao, Han; Robson, Mark E.. Folding bench with three member top. USP2012048152149.
  8. Haaser Gregory John. Hand truck attachment for a ladder. USP2001126328330.
  9. Babkes, Mitchell H.; Fitzburgh, Brian; Ellis, Mark. Hinge system for combination hand truck, step ladder and dolly device. USP2005046877586.
  10. Forsberg, Kevin; White, Isaac D. M.. Ladder dolly. USP2005056896273.
  11. Abraham, Richard J.. Ladder transport system. USP2003076592134.
  12. Abraham,Richard J.. Ladder transport system. USP2008047350621.
  13. Moss,N. Ryan; Bowers,Jack W.. Ladder wheel pair. USP200801D560001.
  14. Gross,Gary R.. Portable ladder base workstation. USP2007017156204.
  15. Babkes,Mitchell H.; Tornabene,Dean. Step for a multi-use move, lift and support device. USP200606D524008.
  16. Roudebush H. Richard. Step stool and dolly apparatus. USP2000126158749.
  17. Babkes, Mitchell H.; Tornabene, Dean. Support plate. USP200407D492829.
  18. Babkes, Mitchell H.; Tornabene, Dean. Tray for a dolly. USP200506D506588.
  19. Lawrence,Mark; Sirois,Michael G.; Watters,Robert D.; Busschaert,Jason F.; Yanbin,Tong; Tao,Han; Robson,Mark E.. Wheeled folding bench with hand truck capabilities. USP2008067380778.
  20. Spruth, Michael Paul; Allen, Dan. Wheeled ladder caddy. USP2017099751546.
  21. Mark J. Mueller. Work tool transporting and support apparatus. USP2002026345829.
  22. Mueller, Mark J.. Work tool transporting and support apparatus. USP2003036530583.