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특허 상세정보

Foldable hand truck

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-003/02   
미국특허분류(USC) 280/651 ; 280/47371 ; 280/655
출원번호 US-0461696 (1990-01-08)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 29  인용 특허 : 2
초록

A foldable hand truck comprises a retractible and extendable push handle set having a first set of round holes and a second set of round holes separately formed at a lower and a higher positions; a platform movably provided below the push handle set; a wheel set being mounted on the lower end of the push handle set and beneath the platform; and a platform retraction mechanism including a housing with its top end movably associated with the push handle set and with its lower end removably fixed to the underside of the platform; a push button for controlli...

대표
청구항

A foldable hand truck, comprising a retractible and extendable push handle set having a first set of round holes and a second set of round holes separately formed at a lower and a higher positions; a platform movably provided below said push handle set; a wheel set being mounted on the lower end of said push handle set and beneath said platform; and a platform retraction mechanism including a housing with its top end movably associated with said push handle set and with its lower end removably engaged with the underside of said platform; a push button fo...

이 특허를 인용한 특허 피인용횟수: 29

  1. Dethier,Livin Fernand Georges. Cart. USP200803D564724.
  2. Kazmark ; Jr. Eugene A. (Joliet IL). Cart and luggage handle assembly with rotatable release member. USP1997015590891.
  3. Nguyen, Trong. Chair carrier convertible cart. USP2005066910710.
  4. Kazmark ; Jr. Eugene A.. Collapsible cart. USP1999085941543.
  5. Katz, Amir. Collapsible clamping work table. USP2009097588255.
  6. Lee, Maximilian B.. Collapsible dolly. USP2005016837502.
  7. Wolters, Richard H.; Burt, Thomas R.. Convertible travel case. USP2004126832670.
  8. Juchniewicz Gregory J ; Juchniewicz Joanne S. Device for extending the handle of a wheeled cart. USP2000086098492.
  9. Nordstrom,Mark. Equipment carrier with a rotatable handle. USP2008097419037.
  10. Carter,Anna M.. Foldable carrying cart. USP2007067229093.
  11. Lawrence, Mark; Sirois, Michael G.; Watters, Robert D.; Busschaert, Jason F.; Yanbin, Tong; Tao, Han; Robson, Mark E.. Folding bench. USP2014068740207.
  12. 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.
  13. 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.
  14. Lin Yung-Hsing,TWX. Folding collapsible fishing cart. USP2000076082757.
  15. Bolden, Juel. Hand truck assembly. USP20181110137920.
  16. Hsieh Hung-Ching,TWX ; Hsieh Yung-Shun,TWX. Handcart. USP1999115984327.
  17. Vellrath,Andrew. Handle for physical assistance devices. USP200707D547542.
  18. Tsai,Haiming. Handle positioning device for a hand truck. USP2007037195255.
  19. Fenton Timm (Wooster OH) Hurtienne Dan (Arkansas City KS). Insulated container. USP1997115683097.
  20. Lu Lien-Ching,TWX. Locating structure for luggage pull rod. USP1998035727898.
  21. Workman David E.. Releasable lock mechanism for luggage towing handle. USP2000046047442.
  22. Tartaglia,John. Rolling cane. USP2008027334592.
  23. Karasin, Craig; Popek, Robert; Reed, David; Vallrath, Andrew; Powers, Thomas J.; Freund, Danny A.. Rolling/braking cane. USP2010037673641.
  24. Karasin,Craig; Popek,Robert; Reed,David; Vellrath,Andrew; Powers,Thomas J.; Freund,Danny A.. Rolling/braking cane. USP2007087261114.
  25. Karasin,Craig; Popek,Robert; Reed,David; Vellrath,Andrew; Powers,Thomas J.. Step-up cane. USP200609D528780.
  26. Tartaglia,John. Step-up cane. USP2007087261113.
  27. Karasin,Craig; Popek,Robert; Reed,David; Vellrath,Andrew; Powers,Thomas J.. Step-up device. USP2009037509966.
  28. Myers Jay Evan ; Dudley Francis ; Stocks David Laurence. Telescoping handle assembly for luggage and other luggable items. USP2001106301746.
  29. 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.