Modular lock for elevator doors

A modular lock (10) for elevator doors, in particular for locking and unlocking the floor doors of elevators and hoists, comprising:

• a first plate (12) fixed to a first floor door and having a pin (30) extending from an upper part thereof;
• a lock bolt (14′) having an integral extension (28) in an upper part thereof provided with a through hole for articulation on said pin (30), said pin (30) having a widening for housing an elastic ring (32) so as to maintain said lock bolt (14′) on said pin (30), said lock bolt (14′) having a shaped extension (44) in the form of a hook provided in an upper part thereof;
• a second plate (14) cooperating with the blades of a car activator is fixed to said lock bolt (14′) by means of screws (34) passing through slots (36) in said second plate (14), said second plate (14) including a shaped plate (52) fixed thereto and extending beyond the shaped extension (44) of lock bolt (14′) with a rectilinear branch (52′);
• a lock key-way (46) fixed to a second floor door and having a slit therein for engagement by shaped extension (44) and supporting a contact (48) the electric terminations (48′) of which being supported on rectilinear branch (52′) of shaped plate (52);
• and
• a spring (20) is disposed between second plate (14) and first plate (12) for opposing the tilting of said second plate (14) with respect to said first plate (12) about pin (30).