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Load supporting linkage with gas spring

  • US 5,236,171 A
  • Filed: 09/23/1991
  • Issued: 08/17/1993
  • Est. Priority Date: 11/07/1990
  • Status: Expired due to Fees
First Claim
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1. Mechanism for movably supporting a load, comprising a fixed frame, a pendulum lever having two ends, the pendulum lever begin pivotally connected at one end to the frame, a link having two ends, the link being pivotally connected at one end tot he other end of the pendulum lever, the other end of the link being connected to a vertically movably load support, a gas spring pivotally interconnected between the frame and the link at points spaced from the points of articulation of the link and pendulum lever to the frame and each other, means for adjusting the position of the pivotal connection between the link and the gas spring lengthwise of the link, and means for adjusting the position of the pivotal connection of the gas spring to the frame in a direction toward or away from the point of articulation of the pendulum lever to the frame.

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