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Joint fitting

  • US 6,447,028 B1
  • Filed: 08/18/2000
  • Issued: 09/10/2002
  • Est. Priority Date: 08/18/2000
  • Status: Expired due to Fees
First Claim
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1. A fitting for connecting a first component to a second component, the fitting comprising:

  • a bushing having a threaded end for threadedly engaging the first component, and a smooth male end having an outer diameter;

    an adapter having a threaded end for threadedly engaging the second component, and a female collar end having a collar, the adapter having an inside diameter, the adapter receiving the smooth male end of the bushing;

    a locking mechanism to connect the adapter to the bushing when the smooth male end of the bushing is inserted into the adapter, the locking mechanism having a groove being formed along an outer perimeter of the bushing and a screw having a tip, the screw being radially inserted through the collar of the adapter, the tip of the screw mating with the groove of the bushing to allow the adapter to rotate about the bushing; and

    a pin dowel, the pin dowel being inserted into the collar perpendicular to an axis of the screw, the pin dowel preventing the tip of the screw from becoming unmated with the groove, the outer diameter of the bushing being in close communication with the inner diameter of the adapter to define a flame path to produce an explosion proof fitting.

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