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특허 상세정보

Collapsible cross-arm dolly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00   
미국특허분류(USC) 280/079.11; 280/079.2; 280/079.5; 248/129
출원번호 US-0421022 (2003-04-24)
발명자 / 주소
인용정보 피인용 횟수 : 21  인용 특허 : 4
초록

A collapsible cross-arm dolly for conveyance of weighted articles. The dolly consists of an upper arm (20) and a lower arm (24) of square metallic tubing, with each formed with a horizontal offset center portion (22) and (26) and with a pair of casters (30) that are attached at each end of both arm's lower surface. The horizontal offset center portion (22) is formed in opposite hand or mirror image of each other, thus permitting them to nest together and are both oppositely flattened to allow nesting on the same horizontal plane. A pivot junction (32) is...

대표
청구항

1. A collapsible cross-arm dolly for conveyance of weighted articles comprising,a) an upper arm having an upper arm horizontal offset center portion, wherein said upper arm further having a pair of casters disposed on a lower surface thereof,b) a lower arm having a lower arm horizontal offset center portion opposite said upper arm horizontal offset, wherein said upper arm further having a pair of casters disposed on a lower surface thereof,c) a pivot junction mutually disposed within the upper arm horizontal offset center portion, and the lower arm horiz...

이 특허를 인용한 특허 피인용횟수: 21

  1. Roman, Josephine E.. All-in-one stackable bulletin board caddy. USP2016129522763.
  2. Wood, Dennis. Camera dolly. USP2012068205841.
  3. Bernal, Andres; Buttazzoni, Luca. Castor assembly for a modular dolly. USP2014108850656.
  4. Bernal, Andres; Buttazzoni, Luca. Castor assembly for modular dolly and kit. USP2016059340222.
  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. Kahle,Jens; Weinand,Robert. Cruciform spring element. USP2007117296481.
  9. Barnes, Nicholas L.; Alderfer, Ryan M.; Marley, Timothy J.; Schober, Stephen J.. Deployment mechanism. USP20181010112698.
  10. Flippin, James Alford. Expandable car jack. USP2018019868620.
  11. Hall, Michael W.. High hat camera dolly. USP201504D726986.
  12. Hall, John Ernest. Leveling device for portable stove. USP2017109784453.
  13. Hall, John Ernest. Leveling device for portable stove. USP2014048695931.
  14. Buttazzoni, Luca. Lightweight dolly assembly. USP2014128910955.
  15. Buttazzoni, Luca; Bernal, Andres. Modular dolly kit. USP2014048684372.
  16. Tarrant, Patrick M.. Scaffold storage and transportation dolly set. USP2018059969416.
  17. Buttazzoni, Luca; Bernal, Andres. Self-contained dolly assembly. USP2017029566993.
  18. Buttazzoni, Luca; Bernal, Andres. Self-contained dolly assembly. USP2015049010798.
  19. Vaverek, Milton. Three wheel cargo cart with lifting drawbar. USP2017099758184.
  20. Genovese,Donald. Three wheeled dolly. USP200609D528730.
  21. Thibault, Richard R.. Wheeled container platform for a single bucket. USP2013028376376.