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특허 상세정보

Retractable caster

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60B-033/00   
미국특허분류(USC) 16/19 ; 16/33 ; 16/34 ; 280/37
출원번호 US-0058166 (1987-06-04)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 20  인용 특허 : 4
초록

A retractable caster to facilitate moving an object. The caster comprises a frame having a planar base and sides circumscribing the base to form a cavity having an opening. The frame is secured to the bottom of the object. A first rigid flap is provided secured to the frame by a hinge to swing about an axis between open position perpendicular to the base and closed position parallel to but spaced from the base to close at least a portion of the cavity opening. A wheel is rotatably supported by a wheel support assembly secured to the flap. A portion of th...

대표
청구항

A retractable caster comprising: (a) a frame having a planar base and sides circumscribing the base to form a cavity having an opening, the frame to be secured to the bottom of an object; (b) a first rigid flap secured to the frame by a hinge to swing about an axis between an open position perpendicular to the base and a closed position parallel to but spaced from the base to close at least a portion of the opening to the cavity; (c) a wheel rotatably supported by a wheel support assembly secured to the flap, a portion of the wheel extending beyond the l...

이 특허를 인용한 특허 피인용횟수: 20

  1. Chow, Leung Choi; Rondeau, David Leonard; Wood, Christopher Neil. Aircraft landing gear and door assembly. USP2011108028956.
  2. Turner, Michael Hughesdon; Murphy, Ryan Patrick. Combination scooter and messenger bag. USP2014098833777.
  3. Turner, Michael Hughesdon; Murphy, Ryan Patrick; Stutzman, Duston E A; Goo, Kah-Thart. Combination scooter/backpack. USP2013068454031.
  4. Turner, Michael Hughesdon; Murphy, Ryan Patrick; Stutzman, Duston E A; Goo, Kah-Thart. Combination scooter/backpack. USP2010067731204.
  5. Brewington, Mark Everett; Brewington, Kim L. M.. Convertible tandem stroller. USP2003036527294.
  6. Shahroodi, Hossein. Gravitationally aligning wheels. USP2016059333823.
  7. Briancourt,Stephen P. Landing gear door assembly. USP2007107287726.
  8. Chow,Leung Choi; Rondeau,David Leonard; Wood,Christopher Neil. Landing gear door assembly. USP2008127458542.
  9. White,Nicholas John; Briancourt,Stephen Paul. Landing gear door assembly. USP2007077243880.
  10. Seiya Sakurai. Linked multi-segment landing gear door for aircraft. USP2002026345786.
  11. Gleyze, Gilbert. Method for adjusting the doors of a landing gear bay, and associated door. USP2015089096311.
  12. Lindahl, Gary M.; Trotter, Steven J.. Methods and systems for operating aircraft landing gears. USP2005026854689.
  13. Lindahl,Gary M.; Trotter,Steven J.. Methods and systems for operating aircraft landing gears. USP2006087093795.
  14. Lindahl,Gary M.; Trotter,Steven J.. Methods and systems for operating aircraft landing gears. USP2009017475849.
  15. Maupin, Michael Harrison; Maupin, Michael Shawn; Hill, Kenneth Roy. Retractable caster. USP2003016507975.
  16. Frank, Roy W.. Retractable golf bag wheel assembly. USP2017059636557.
  17. Wu, Yi-Ming. Roller device of luggage case. USP2003086604615.
  18. Coote, Kathy; Coote, Omar. Rolling car seat. USP2013108544941.
  19. Lu, Chien-Cheng; Chang, Chia-Hao. Side stand. USP2017039598127.
  20. Gurin Robert N. (P.O. Box 912 Summerland Key FL 33042) Gurin Cynthia S. (P.O. Box 912 Summerland Key FL 33042). Transportable office work station. USP1996125584546.