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Gas spring with travel control

  • US 10,132,379 B2
  • Filed: 08/15/2016
  • Issued: 11/20/2018
  • Est. Priority Date: 06/25/2002
  • Status: Expired due to Term
First Claim
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1. A gas spring suspension comprising:

  • an internal gas chamber;

    a valve rod disposed within said internal gas chamber, said valve rod further comprising;

    an internal fluid path; and

    at least through hole formed in said valve rod, said through hole configured to enable fluid communication between said internal gas chamber and said internal fluid path of said valve rod;

    a moveable piston assembly disposed within said internal gas chamber, said moveable piston assembly dividing said internal gas chamber into a first variable volume gas chamber and a second variable volume gas chamber, said moveable piston assembly configured to move with respect to said valve rod; and

    an adjuster disposed external to said internal gas chamber, said adjuster coupled to said valve rod and configured to adjust a location of said through hole within said internal gas chamber, said location of said through hole within said internal gas chamber corresponding to a travel mode for said gas spring suspension such that differing positions of said through hole within said internal gas chamber correspond to different travel modes for said gas spring suspension.

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