Patent ID: 7254918

Claim:
An emergency unlocking device for locking and unlocking systems for swinging sliding doors, the emergency unlocking device comprising: a spring-loaded rotary magnet having an axial shaft; a bolt; a lever system having a first spring-loaded pivoted lever, a second lever connected to said first spring-loaded pivoted lever, a third lever connected to said second lever, and a fourth lever, said third lever attached to said axial shaft of said spring-loaded rotary magnet and having elongate holes formed therein for displaceably mounting said bolt; a traction device for engaging on said lever system, said traction device connected to said first spring-loaded pivoted lever which is connected through said second lever to said third lever, said bolt moving into an engagement position when said traction device is subjected to tensile stress; a further shaft, said fourth lever pivotably mounted on said further shaft, said further shaft moving said fourth lever; horizontally disposed coupling rods; locking rods which can be moved in a vertical direction; deflection units, said fourth lever operatively connected through said horizontally disposed coupling rods and said deflection units to said locking rods; and a rod through which a force component which brings about a locking and an unlocking of the swinging sliding doors can be temporarily applied connected to said fourth lever.