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특허 상세정보

Track assembly with idler wheels and cart incorporating same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62D-055/00   
미국특허분류(USC) 305/124; 305/125; 305/143; 305/150; 180/009.46; 280/124.11; 280/124.111
출원번호 US-0776086 (2004-02-10)
등록번호 US-7380892 (2008-06-03)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Laurenzo,Brian J.
인용정보 피인용 횟수 : 13  인용 특허 : 25
초록

A tread assembly has front and rear main idler wheels supported by a frame. A continuous tread is provided around the idler wheels for supporting a cart on a bottom portion of the tread between the front and rear main idler wheels. An assembly is provided to permit the front idler wheels to pivot laterally as the cart encounters uneven ground, in order to improve weight distribution across the tread and the idler wheels. The rear idler wheel also has an assembly to permit the rear idler wheel to pivot laterally. An alignment feature is incorporated into ...

대표
청구항

I claim: 1. A track assembly comprising: a frame; a first pivot assembly operably connected to the frame; a second pivot assembly operably connected to the frame; a shaft linking the first and second pivot assemblies; a first elongated spindle connected to said second pivot assembly to pivot on a first roll axis; a third pivot assembly operably connected to the frame; a second elongated spindle connected to said third pivot assembly to pivot on a second roll axis independent of said first roll axis; a first idler wheel rotatably mounted to said first el...

이 특허에 인용된 특허 (25)

  1. Steven J. Brandenburger. Apparatus and method for measuring and realigning track misalignment. USP2002056386653.
  2. Pohjola Jorma (Oulu FIX). Apparatus in a turning-track track-laying vehicle. USP1990064936639.
  3. Becker Dan J. ; Keehner Daniel M.. Automatic belt alignment system for an endless track laying work machine. USP2001076267459.
  4. Rimlinger ; Jr. Charles H. (703 Vineland Ct. Brentwood TN 37027). Automotive wheel alignment method and apparatus. USP1992125168632.
  5. Satzler Ronald L. (Princeville IL). Belt alignment mechanism for a belt driven vehicle. USP1992075127714.
  6. Satzler Ronald L. (Princeville IL) Schmillen Edward E. (Metamora IL). Belted multi-purpose trailer. USP1994025286044.
  7. Crabb Elmer R.. Castering swing link for a track sub-assembly. USP1999075927412.
  8. Nakamura Takeshi (Samukawa JA). Conical roller bearing. USP1976043951483.
  9. Nagata Yoshihiro (Jyoyo JPX) Onohara Kazuyuki (Hirakata JPX) Ukibe Koji (Hirakata JPX) Kitani Toshio (Hirakata JPX). Crawler vehicle undercarriage. USP1986044583791.
  10. Roth, Thomas A.. Double-axis oscillating bogie wheels. USP2004036712549.
  11. Unruh ; Dale H.. Excavator idler-outrigger. USP1978054087135.
  12. Stedman Robert N. (Chillicothe IL). Four-track low ground pressure crawler vehicle. USP1979094166511.
  13. Zborowski David G. (Bettendorf IA). Method and apparatus for tensioning frictionally driven, ground engaging belts. USP1987074681177.
  14. Ingalls William E. (Longmont CO) O\Rourke Thomas W. (Boulder CO). Method and structure for bearing the eccentricity of a bushing bore. USP1983124420272.
  15. Shustack Leonard T. (Box 803 ; Rte. 52 Walden NY 12586). Mobile cooler. USP1990064932677.
  16. Boyum, Lee Stephen. Pivoting track tensioning system for a tracked vehicle. USP2003116641235.
  17. Bien Paul R. (Downers Grove IL). Railway traction motor with skewed support bearings. USP1990074940002.
  18. Nordberg Bjorn,SEX. Resilient track tensioning device for track-driven vehicles and track unit comprising such a track tensioning device. USP1999115988775.
  19. Renger Hermann,DEX. Self-propelled agricultural machine. USP2001066244613.
  20. Leyonhjelm, Jeffery Michael; Allen, Lyal Douglas; Nagorcka, James Arthur. Suspended axle with side and oscillation control linkage. USP2003016502840.
  21. Johnson Gary Dean ; White Robert James ; Cote Bradley Thomas. Toe-in/toe-out adjustment mechanism. USP2001086273530.
  22. Kelderman Gary L.. Track suspension apparatus for vehicles of various types. USP1998115829848.
  23. Nagorcka James A. (Vic AUX). Undercarriage for a track laying vehicle. USP1995045409305.
  24. Gignac Guy,CAXITX G0A 3Z0. Vehicle on tracks. USP2000106125956.
  25. Anderson, Clyde C.; Nelson, Roger C.. Vehicle suspension system. USP2005116959936.