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특허 상세정보

Retractable caster

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60B-033/06   
미국특허분류(USC) 016/034; 016/019
출원번호 US-0852932 (2001-05-10)
발명자 / 주소
대리인 / 주소
    Manning, Guy V.
인용정보 피인용 횟수 : 13  인용 특허 : 14
초록

A retractable caster system comprises a rectangular, steel box defining a chamber, a plurality of which may be attached to the bottom of a storage container to elevate the container above a surface upon which it rests. Inside the chamber, a caster is mounted to a hinged plate which pivots near the bottom of one sidewall of the chamber. The plate articulates between a substantially vertical position, with the caster fully retracted into the chamber, and a horizontal position with the caster wheel protruding beneath the chamber. A coiled spring biases the ...

대표
청구항

A retractable caster system comprises a rectangular, steel box defining a chamber, a plurality of which may be attached to the bottom of a storage container to elevate the container above a surface upon which it rests. Inside the chamber, a caster is mounted to a hinged plate which pivots near the bottom of one sidewall of the chamber. The plate articulates between a substantially vertical position, with the caster fully retracted into the chamber, and a horizontal position with the caster wheel protruding beneath the chamber. A coiled spring biases the ...

이 특허에 인용된 특허 (14)

  1. Scott Donald C. (114 Baker Creek Rd. McMinnville OR 97128). Combined drum-set carrier and performance platform. USP1980124240646.
  2. Heger Siegfried,DEX ; Korbmacher Thomas,DEX. Large-capacity transport container. USP1998095806863.
  3. Kaley George (736 Oak Ave. River Edge NJ 07661) Kaley Bernadette (736 Oak Ave. River Edge NJ 07661). Multipurpose light cart. USP1979024139208.
  4. Garrett Alan (Calgary CAX). Retractable caster. USP1989074845804.
  5. Little Carl H. (Chautauqua NY). Retractable caster. USP1981024249282.
  6. Garrett E. Alan (Calgary CAX). Retractable caster assembly. USP1994125375294.
  7. Jang Shis-Wen (No.7 ; Alley 73 ; Lane 81 ; Tung-Lai Rd. Ho-Mei Chen ; Chang-Hua Hsien TWX). Retractable caster assembly. USP1994115365635.
  8. Kendall Ray (Fort Worth TX). Retractable caster assembly having a lever in rolling engagement with a pressure plate. USP1983114417738.
  9. Huang Jinn T. (P.O. No. 360 Changhua TWX). Retractable roller assembly. USP1983084397062.
  10. Anderson Milan B. (1225 Frontage Rd. - Space 7 Chula Vista CA 92011). Retractable wheel strut assembly. USP1986054588203.
  11. Weaver Douglas E. (Greenville MI). Roller assembly for supporting household appliances. USP1988114783879.
  12. Rippe Jeffrey A. (Cypress CA). Spring retracting caster. USP1994095347680.
  13. May Gregory D. (1020 Ross Street S.E. Medicine Hat ; Alberta CAX T1A 0Y3 ). Table wheel. USP1996115575036.
  14. Staal Anne-Kathrine (Kollemosevej 29 B DK-2840 Holte DK). Wheel assembly for a container or suitcase. USP1977054026569.