Protection device for housing serving to house a control mechanism of a locking fitting with a key element

摘要

The invention relates to a protection device for housing (2) serving to house a control mechanism of a locking mechanism (4) engaged in an opening (6) and comprising a key element (5), of the cylinder, extending through the plates of cleanings (9, 10) arranged on the inner side (8) and external (7) of the leaf, this device (1) comprising at least one plate anti - bore (11) arranged on the external side (12) of the housing (2) and made integral with the opening (6) with the aid of fastening members (14) are accessible from the inner side (8) of the latter, this plate anti - bore (11) comprising, in addition, an opening (13) is adjusted to the passage of the key element (5). br / this protection device is characterized in that said plate anti - bore (11) is made integral with the inner face (17) of a protective body (18) is inserted in a housing (19), which is machined in the opening (6) so as to be retracted at the rear of the outer cover plate (9).