Lever connecting mechanism for hydraulic jacks

  • US 4,850,568 A
  • Filed: 11/14/1988
  • Issued: 07/25/1989
  • Est. Priority Date: 11/14/1988
  • Status: Expired due to Term
First Claim
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1. A lever connecting mechanism for a horizontal hydraulic jack with tension rod, comprising,a vertical pumping rod having a traversed U-shape connecting member fixed on top of said vertical pumping rod, whereby the reciprocating movement of said vertical pumping rod will pressurize a hydraulic cylinder of said hydraulic jack,a foot pedal pivotally connected to the frame structure of said hydraulic jack and providing a bar which can fit into the opening between the two legs of said traversed U-shape connecting member for controlling and driving the movement of said connecting member together with said vertical pumping rod,a lever member pivotally connected to the frame structure of said hydraulic jack having the same axis of rotation as said foot pedal, and said lever member having a handle and means for driving said foot pedal toward a downward direction so that said foot pedal can be depressed independently without affecting said lever member or depressed by the downward movement of said lever member andtwo spring means individually installed on said frame structure for supporting said foot pedal and said lever member at their upmost position.

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