Patent attributes
A buckling device for safety belts includes a buckle made of metal material and bent to form a projected holder. A wider segment of the holder is used to insert a side of the safety belt to the buckle. On each of two sides of a narrower segment of the holder is mounted a second side plate. Between two second side plates is defined a locking unit by using a shank. On an upper rim of the second side plate is a recess. The locking unit includes an engagement member in which a rotary member, a fixing piece, a compression spring, a mounting member, and a torsion spring are received. A fastening member includes a bottom sheet, with a wider segment thereof being used to insert another side of the safety belt. The fastening member further includes a retaining pore secured on a narrower segment thereof.