| 摘要 |
<p>A description is given of a closure system for an entrance door formed in a sectional door (S), the entrance door being constituted by a plurality of superimposed panels (P) reciprocally articulated like the corresponding sections of the sectional door (S), wherein a lock (L) is suitable for being assembled on a first panel (PI) of the entrance door in order to block the entrance door with respect to the sectional door, said lock (L) acting on vertical shaft segments (6) of a composite shaft in order to actuate a plurality of spring bolts (50) suitable for blocking respective panels (P) of the entrance door to the corresponding sections of the sectional door (S).</p> |
