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Telescoping jack for lifting large capacity trucks

  • US 10,513,423 B2
  • Filed: 05/08/2017
  • Issued: 12/24/2019
  • Est. Priority Date: 05/08/2017
  • Status: Active Grant
First Claim
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1. A jack, comprising:

  • a top plate adapted to contact a load;

    an intermediate plate positioned below the top plate, the intermediate plate having a channel formed therein;

    a base plate positioned below the intermediate plate;

    a first pair of actuators coupled perpendicularly between the base plate and the intermediate plate, one of the first pair of actuators positioned on either side of the channel; and

    ,a second pair of actuators coupled perpendicularly between the channel of the intermediate plate and the top plate;

    wherein the first and second pairs of actuators are operable to move the top plate and the intermediate plate between respective lowered positions and respective raised positions to thereby lower and raise the load.

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