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특허 상세정보

Convertible low profile roller and support base

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60B-027/00    B60B-001/00    B60B-011/10    B60B-011/00    B60B-015/26    B60B-015/00    B60B-019/00    B60B-033/00   
미국특허분류(USC) 280/079.11; 301/005.23; 301/040.2; 301/005.1; 016/045; 016/046; 016/047
출원번호 US-0354801 (2006-02-15)
등록번호 US-7441786 (2008-10-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Van Dyke, Gardner, Linn & Burkhart, LLP
인용정보 피인용 횟수 : 13  인용 특허 : 14
초록

A low profile roller includes a wheel mounted on a hollow hub and having a roller ball mounted within the hollow hub. The roller is configured to function in a first, low profile operating mode when the roller ball is in contact with a support surface and in a second, high profile mode when the wheel is in contact with the support surface. A base for a movable support platform includes a base frame and a pivot sleeve rotatably mounted to the base frame and non-rotatably mounted to an arm connected to the hub. The pivot sleeve is configured to rotate the ...

대표
청구항

What is claimed is: 1. A convertible low profile roller comprising: a hub; a first roller rotatably mounted to the hub and having an axis of rotation; a second roller rotatably mounted to the hub and having an axis of rotation; wherein the axis of rotation of the first roller intersects the second roller and the axis of rotation of the second roller intersects the first roller, and wherein the first roller is configured to contact a floor surface with the hub in a first orientation and the second roller is configured to contact the floor surface with th...

이 특허에 인용된 특허 (14)

  1. Shorey Thomas H. (Mill Creek WA). Cargo caster bearing assembly. USP1992035097565.
  2. Yang I-Min (No. 358 ; Sec. 1 ; Chang Hsi Road Tainan TWX). Caster for baggage. USP1995055412838.
  3. Sey James Dey Andrew,GBX. Castor assembly. USP2001056223388.
  4. Falamak Reza (P.O. Box 770188 Houston TX 77215). Drivable steerable platform for industrial, domestic, entertainment and like uses. USP1988034733737.
  5. Bordeleau Pierre G. (19 Cartier Street Kapuskasing ; Ontario CAX P5N 2J7 ). Global force bearer wheel/sphere. USP1997125694662.
  6. Looker, Robert. Lightweight high capacity industrial caster. USP2003016502280.
  7. Harris, Donald Barnett. Method for designing low vibration omni-directional wheels. USP2004096796618.
  8. Pin Francois G. (Knoxville TN) Killough Stephen M. (Knoxville TN). Omni-directional and holonomic rolling platform with decoupled rotational and translational degrees of freedom. USP1994125374879.
  9. Smith Robert E. (Cupertino CA). Omnidirectional vehicle base. USP1987124715460.
  10. Peters Calvin R. (351 N. Hardwick ; SW. Grand Rapids MI 49548). Portable cooler chest with pivoting wheels having expanded circumferential rolling surfaces. USP1995065423195.
  11. Mains David R. ; James ; Jr. Everett B.. Roller assembly with spring biased axial caster member. USP2001036195838.
  12. Guile Henry B. O. (Botany AUX). Roller wheel. USP199107D318219.
  13. Lidov Arthur (Poughquag NY). Spokeless wheel and shroud therefor. USP1977084045096.
  14. Buiskool Curtis A. ; Gardiner Donald W.. Unitary pedal control for height of a patient support. USP2001056230343.