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특허 상세정보

Collapsible, transportable cart for building materials

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00   
미국특허분류(USC) 280/079.7; 280/651; 280/079.11
출원번호 US-0115182 (2011-05-25)
등록번호 US-8641061 (2014-02-04)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Montgomery Patent & Design
인용정보 피인용 횟수 : 4  인용 특허 : 26

A portable collapsible cart for building materials comprises a wheeled platform with selectable hinged upright supports that are collapsible, thereby forming a compact unit for storage of the device. The cart will support and transport various bulky building materials. The cart is easily maneuverable by a single person due to swivel casters and a narrow upright design. The cart collapses to a low profile for storage and also provides removably attachable racks for transportation of long linear objects.


1. A portable and collapsible cart for transporting materials comprising: a substantially rigid and planar lower frame having a rectangular configuration comprising an internal cavity in which a depth is defined by an upper horizontal surface and a lower horizontal surface;at least one wheel assembly attached to each corner of said lower frame;a left side supporting arm pivotably connected to an interior vertical surface of said lower frame via a left side hinge mechanism;a right side supporting arm pivotably connected to an interior vertical surface of ...

이 특허에 인용된 특허 (26)

  1. Hatfull,Mark. Board carrier. USP2006037017940.
  2. Young Roland O.. Bulk dry wall rolling support device. USP2000036032966.
  3. Echternacht, James E.. Carriage for a construction panel. USP2003066579051.
  4. Stapelmann Frank (5062 University Dr. Santa Barbara CA 93111). Carriage for a construction panel. USP1996125584635.
  5. Kleinschmidt John Frank. Cart. USP200103D439719.
  6. Kenny A. Sexton ; Harry D. Leeds ; Donald R. Elmore. Cart for folding tables. USP2002096454282.
  7. Osowski Paul. Cart for transporting tables, sheet material and the like of various sizes. USP1998105820145.
  8. Myers June L. (P.O. Box 22086 Los Angeles CA 90022). Collapsible and carryable cart. USP1981054266791.
  9. Bolden Ronald J. (Katy TX). Collapsible cart. USP1989044824137.
  10. McCarthy Phillip R.. Collapsible cart. USP1998045738365.
  11. Sbragia Frank J. (Rt. 1 ; Box 2377 Checker Rd. Long Grove IL 60047). Collapsible cart. USP1990094953878.
  12. Ferrigan, Paul J.. Collapsible rack for an automotive body panel. USP2004056729632.
  13. Nelson Dale W. (375 N. 400 East Orem UT 84057). Combination cart. USP1979084165088.
  14. Dahl Gary-Michael (8300 Sands Point Dr. #903 Houston TX 77036). Convertible transport cart. USP1995125476282.
  15. Dahl Gary-Michael (8300 Sands Pointe Dr. #903 Houston TX 77036). Convertible transport cart. USP1993075228716.
  16. Young,Roland O.. Door attaching apparatus. USP2006037014413.
  17. Young, Roland O.. Door installation system. USP2010087780389.
  18. Cunningham John. Foldable utility cart. USP1999075927745.
  19. Hershberger, Richard C.. Folding table caddie. USP1991085037117.
  20. Dahl, Gary-Michael. Multi-functional convertible transport cart. USP2005116966574.
  21. Orozco Miguel J. ; Ondrasik V. John. Nestable lumber cart. USP2001076260863.
  22. Smith Gordon N. (821 W. Clarion Dr. Torrance CA 90502). Self-actuating collapsible transport cart. USP1989084856810.
  23. Tierney,Norman L.. Storage caddy for an automobile hardtop and miscellaneous objects. USP2007027172204.
  24. Skinner Maxwell R.. Table cart. USP2001106296262.
  25. Elliott Kenneth Marvin. Table dolly. USP1999025871219.
  26. Keller, William A.. Wheeled transports. USP2005026857836.