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특허 상세정보

Collapsible trailers

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-011/00   
미국특허분류(USC) 280/652 ; 280/656 ; 280/491A
출원번호 US-0879603 (1978-02-21)
우선권정보 GB-0007655 (1977-02-23)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 19  인용 특허 : 0

A collapsible road trailer comprising a central beam to which side members of the base are hinged has a tow bar which forms a sliding fit within the central beam and is locked in position by members operated by the folding down of the sides of the base. The locking members are preferably in the form of lugs engaging openings in opposite sides of the tow bar and may be fixed rigidly to the sides of the base, passing through openings in the sides of the central beam and into the openings in the tow bar when in the engaged position. Detachable wheel assembl...


In a collapsible road trailer comprising a central main beam, a base comprising separate side members and means hingeing said side members to said main beam, a collapsible wall structure, means for removably securing said wall structure to said base, two wheel assemblies and means for removalby securing said wheel assemblies to said base, the improvement comprising said main beam being hollow, a tow bar telescoped within said main beam and means locking said tow bar at a predetermined position within said main beam, said locking means being operated by t...

이 특허를 인용한 특허 피인용횟수: 19

  1. Leverett,Joel. Cart having a retractable tongue coupling system. USP2008057374197.
  2. Leverett,Joel. Cart having a retractable tongue coupling system. USP2007037185911.
  3. Liu Ching Rong,TWX. Collapsible trailer. USP2000016010145.
  4. Zelm, Jamie B.. Collapsible trailer. USP2004086773025.
  5. Cannon, John. Collapsible trailer and method for use of same. USP2010087770913.
  6. Sawyer,William Crayton. Collapsible utility trailer. USP2006087083184.
  7. Burns Richard H. (662 Clarendon Rd. Troy OH 45373). Foldable utility cart. USP1986114624467.
  8. James,Paul A.. Folding trailer. USP2006067055848.
  9. Norton, Michael. Folding trailer. USP2012088235412.
  10. Bank, Roger C.. Folding vehicular utility trailer. USP2015069056639.
  11. Lindsey,Alan L.; Lindsey,David E.. Multiple use convertible vehicle. USP2006016991250.
  12. St-Pierre Luc (1391 Langevin St. St. Hubert CAX J4T 1X5). Stowable trailer. USP1984114480851.
  13. McDonell,Lindsay. Trailer assembly. USP2006057052033.
  14. Benesch, Scott. Trailer for conveniently loading and transporting a four-wheel vehicle. USP2012108292558.
  15. Fahrbach, John G.. Trailer having a folding and load bearing platform. USP2011027891697.
  16. Birkenbaugh, Jason. Trailer pulling apparatus. USP2005056889994.
  17. Walker Douglas W. (2513 Borrego Dr. Durango CO 81301). Trailerable structure and components for use therewith. USP1989024807894.
  18. Dunn,Larry W.. Transporting apparatus and trailer conversion kit and method. USP2008057374193.
  19. Cornwall Harry J. (6275 E. Sixth St. Long Beach CA 90803) Hanebrink Daniel E. (304 Riverside Ave. Sugarloaf CA 92386). Two wheel trailer. USP1985064522425.