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Method and apparatus for selectively activated powered actuation of a hydraulic drive system

DC
  • US 8,706,361 B2
  • Filed: 07/31/2013
  • Issued: 04/22/2014
  • Est. Priority Date: 02/25/2009
  • Status: Expired due to Fees
First Claim
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1. A hydraulic lift gate system for a hydraulic lift gate attached to a vehicle, the system comprising:

  • an electronic control circuit integrated into the system and being configured to enable activation of a gravity down mode of operation of the hydraulic lift gate attached to the vehicle at any time during a power down mode of operation, said activation of gravity down mode of operation is performed in response to a sensed condition that occurs during the power down mode of operation.

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