Safety lock, especially for vehicle fuel tanks
AssigneeWeh GmbH, Verbindung Technik
InventorsWolfgang Weh, Erwin Weh
Life of this patent
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Abstract
In order to improve the security and ease of operation of a safety lock, especially for vehicle fuel tanks, comprising a plug (3) with a sealing section (3a) which can be fitted on the aperture of a connector nipple (2), a locking device (5), especially in the form of clamping jaws by means of which the plug (3) fitted on the connector nipple (2) can be releasably secured thereto, an actuating device (7), especially in the form of a push-on sleeve, and a vent (10) to release pressure which is connected to the connector nipple (2) in the region of the sealing section (3a). It is proposed that inside the safety lock (1) be fitted an axially movable piston (8) coupled to a locking component (9), for the actuating device (7).
Claims11
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 that
- there 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).
Dependencies are inferred from the claim text.