A push-bar lock for passive door leafs with anti-manipulation protection that prevents forcing the bolt inward through contact-based locking mechanism.

Patentradars sammanfattning

This invention relates to a push-bar lock (Treibriegelschloss) for the passive leaf of a double-leaf door, comprising a lock housing with a push-bar rod and a sliding element, each movable between locked and unlocked positions. The core innovation addresses manipulation resistance by allowing the push-bar rod to contact the sliding element in the locked position, whereby the sliding element mechanically blocks any inward movement of the push-bar rod into the housing, thereby preventing forced entry attempts.

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