Drive housing for a connecting rod fitting

In a drive housing (12) for an espagnolette fitting (3) threaded sleeves (23, 24) for screwing to a handle assembly (7) in guide grooves (28, 29) to a receptacle (21) for a drive pinion (13) held displaceably. The guide grooves (28, 29) on the receptacle (21) for the drive pinion (13) is arranged, having during the threaded sleeves (23, 24) into the receptacle (21) penetrating the guide webs (26, 27). A recording (21) for the drive pinion (13) with the threaded sleeves (23, 24) connecting web (25) is designed as a predetermined breaking point or elastically deformable design.