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특허 상세정보

Track belt tension system and method

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62D-055/30   
미국특허분류(USC) 305/145; 305/149
출원번호 UP-0851785 (2007-09-07)
등록번호 US-7770984 (2010-08-30)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Hovey Williams LLP
인용정보 피인용 횟수 : 11  인용 특허 : 11
초록

A machine including: a frame assembly including one or more drive wheels and one or more idler wheels affixed to the frame assembly; a track belt disposed about the drive and the idler wheel; a hydraulic actuator arrangement including a hydraulic cylinder and accumulator affixed to the idler wheel that provides a force to tension the track belt; and a tension management system in operable communication with the hydraulic cylinder that maintains a pressure inside the hydraulic cylinder within a specified range.

대표
청구항

What is claimed is: 1. A tracked vehicle comprising: a frame; a pair of friction drive track assemblies that each include a drive wheel and an idler wheel, with the idler wheels shiftably mounted to the frame, said pair of track assemblies each including a track belt entrained about a respective drive wheel and a respective idler wheel; a pair of hydraulic actuator assemblies that each include a hydraulic cylinder, said hydraulic cylinders each operably attached to the respective idler wheel to tension the corresponding track belt in response to a hydra...

이 특허에 인용된 특허 (11)

  1. Thomas E. Oertley. Apparatus and method for adjusting tension of a drive track chain of a work machine which utilizes a sensor for sensing position of an undercarriage component. USP2002036354678.
  2. Oertley Thomas E.. Apparatus and method for operating a hydraulic excavator which has a position sensor for sensing position of an idler wheel. USP2001106305763.
  3. Verheye, Carlos J. A.; Devriese, Thierry E. G.; De Lathauwer, Tom A.; Vandendriessche, Jean-Pierre. Caterpillar track tension management. USP2005086929334.
  4. Albright,Larry E.; Frederick,Dan; Koch,Rodney; Wehseler,Andrew A.. Collapsible track undercarriage for installation and tensioning. USP2007117296862.
  5. Tamaru,Masatake; Yamamoto,Teiji; Yamamoto,Shigeru. Crawler track tension adjusting device. USP2007027172257.
  6. Hoff, Brian D.. Tension adjustment mechanism for a work machine. USP2005096948783.
  7. Dietz Hans P. ; Evans William C. ; Holsapple Brad L. ; Knussman Michael L. ; Meinhold David R. ; Tady Stephen T.. Track belt tension management system. USP2000026024183.
  8. Hoff, Brian D.; Oertley, Thomas E.. Track tension adjustment management actuator. USP2004016682155.
  9. Robert D. Toms ; Sean C. McGinnis. Track tensioning apparatus. USP2002016336690.
  10. Oertley Thomas E.. Track tensioning assembly for adjusting tension on a drive track chain of a work machine having an actuator which includes a pair of concentrically arranged pistons. USP2001086280010.
  11. Haas Karl (Oberelchingen DEX). Track tensioning assembly for tracked vehicles. USP1984074458954.