| 摘要 |
<p>A lock for a door (P) having big handles (M), formed of an outer unit (E) and an inner unit (I), the outer lock unit including a key cylinder (17) with web (18) and the inner lock unit including a key cylinder with web or a knob; wherein each inner and outer lock unit (I1E) comprises an intermediate member (3) housed in the cavity of the corresponding big handle (M) and suitable for sliding along the longitudinal direction of this big handle; the intermediate member (3) of the outer lock unit (E) comprises component parts (4) suitable for cooperating with the web (18) of the corresponding maneuver member; the intermediate member (3) of the inner lock unit (I) comprises two first toothings (5) located at the end portions of the intermediate member; the intermediate members (3) of both the lock units comprise a second toothing (6) located in the central portion of the intermediate member; the inner lock unit (I) comprises two bolt operating members (12) and two first toothed wheels (9); each first toothed wheel (9) meshes with one of the first toothings (5) of the corresponding intermediate member (3) and with one of the bolt operating members (12); each unit comprises a second toothed wheel (21 ) which meshes with the second toothing (6) of the corresponding intermediate member (3); and the lock comprises a rotary shaft (25) that mutually connects for the rotation the second toothed wheels (21 ) of the two lock units.</p> |
