LOCKING AND SEALING DEVICE Russian patent published in 2008 - IPC G09F3/03 B65D55/02 

FIELD: ironmongery goods, in particular, locking and sealing devices which use a rigid element as locking element, for example, cylindrical rod.

SUBSTANCE: in accordance to the invention, device contains hollow body with internal surface closed off at rear end by a lid, which body includes a conic surface, a spring, back end of which is supported by lid, fixing element with external surface, which corresponds to conic surface of body hollow, made at least in form of two wedge-shaped segmented cams with internal surface which includes cylindrical surface, locking element in form of cylindrical rod with cylindrical recess and head on one end and other end in form of a cone, engaged with cylindrical section, stabilizer of holding element with axial aperture, spring-loaded with aforementioned spring. In closed state the holding element is positioned within the cylindrical recess of the rod. Holding element stabilizer is made in form of a bushing which has cylindrical external surface for pinning the front end of the spring and conical external surface which matches the internal conical surface of body hollow, where length of bushing is selected to prevent turning-over of segmented cams during locking, if the cams are on internal surface on both sides across whole lengths are provided with obliquities which are positioned symmetrically relatively to the device axis, which obliquities are engaged with cylindrical surface, where surfaces of obliquities form a right angle between each other.

EFFECT: increased efficiency.

3 cl, 4 dwg