Lock with spring bolt has head forming independent element attached to axis of spring bolt using screw

摘要

Head (4) is an independent element attached to axis (8) of spring bolt using screw (9). Screw goes through bore (10) of head that ends in hole (11) of beveled front side (5) receiving head (9') of screw. Screw works together with axial screwing (12) of axis of spring bolt. Length of screw is such that one or more struts (13) with central bore (14) can be inserted between head and axis.