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PIN PULLER FOR CRANE CONNECTIONS

  • US 20140231374A1
  • Filed: 03/15/2013
  • Published: 08/21/2014
  • Est. Priority Date: 02/21/2013
  • Status: Active Grant
First Claim
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1. A pin puller mounted between first and second connectors, each of the connectors having a hole there though, the pin puller comprising:

  • a) first and second support frame members;

    b) a first pin with a first end located in the hole of the first connector and a second end inside the first support frame member;

    c) a second pin with a first end located in the hole of the second connector and a second end inside the second support frame member;

    d) at least one linear actuator connected to the first and second pins, the at least one linear actuator moveable between i) an extended state wherein the pins are extended all of the way though the holes in the first and second connectors and ii) a retracted state wherein the first ends of each of the pills do not extend out of the holes of the connectors; and

    e) a length adjustment device between the first and second support frame members, with its length adjusted so as to force the first support frame member into contact with the first connector and the second support frame member into contact with the second connector.

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