Excavator track tensioning

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United States of America Patent

PATENT NO 10814924
APP PUB NO 20170274947A1
SERIAL NO

15471639

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Power machines, power sources for power machines, and methods which provide a hydraulic signal from a hydraulic system, through the swivel joint or swivel, to control a tensioning cylinder coupled to the undercarriage without requiring a modification to the swivel. In exemplary embodiments, the same hydraulic signal provided to at least one other hydraulic component on the undercarriage to control another machine function is also provided to control one or more tensioning cylinders. For example, exemplary disclosed embodiments provide the same hydraulic signal to tension a tensioning cylinder as is provided to shift one or more two-speed drive motors. This prevents or reduces the likelihood of de-tracking without requiring a change or redesign of the swivel.

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Patent Owner(s)

Patent OwnerAddress
DOOSAN BOBCAT NORTH AMERICA INC250 EAST BEATON DRIVE WEST FARGO ND 58078-6000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haugen, Jacob Mandan, US 1 6

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  • 2 Citation Count
  • B62D Class
  • 40.51 % this patent is cited more than
  • 5 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges59385119101 - 1011 - 2021 - 30050100150200250300350400450500550600650700750800850900

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