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Safety lock, especially for vehicle fuel tanks

  • US 5,706,967 A
  • Filed: 12/20/1996
  • Issued: 01/13/1998
  • Est. Priority Date: 06/20/1994
  • Status: Expired due to Term
First Claim
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1. Safety closure, particularly for vehicle gas tanks, comprising:

  • a plug (3) with a sealing portion (3a) mountable on the opening of a connector fitting (2);

    a locking device (5), particularly in the form of a collet, by means of which the plug (3) mounted on the connector fitting (2) is releasably connectable to the connector fitting (2);

    an actuating device (7), particularly in the form of a sliding sleeve; and

    an evacuation device (10) for pressure release, which communicates with the connector fitting (2) in the region of the sealing portion (3a);

    characterized in thatthere is provided in the interior of the safety closure (1) an axially displaceable piston (8) which is coupled to a locking member (9) for the actuating device (7).

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