FIELD: building, particularly locks for windows and doors in living and public buildings.
SUBSTANCE: lock includes components made of cold-rolled steel sections. U-shaped casing of drive member is detachably connected to body strip by means of rivets or by resistance welding. Lock has link comprising three parts, namely bar of rectangular cross-section and members having U-shaped cross-sections connected to bar ends. Star member is made as flat disc and arranged in orifice of separator. Separator width exceeds that of star member. Side surfaces of separator contact with covering plates. Pack including covering plates and separator with star member arranged in-between is installed in casing of drive member and fixed to casing by tightening rivets. Separator has threaded orifices for covering plate of driving arm securing. Casing side walls also have orifices for driving arm connection, wherein diameters of these orifices are equal to length of square star member orifice diagonal.
EFFECT: increased strength, prevention of entering foreign particles into rack gearing, improved manufacturability, reduced cost.
2 cl, 9 dwg
Authors
Dates
2004-09-20—Published
2003-01-04—Filed