SAFETY SYSTEM Russian patent published in 2004 - IPC

FIELD: transport engineering. SUBSTANCE: proposed system includes belt with lock, support plate located under seat cushion surface and device mechanically coupling belt with support plate. Said device is placed inside and it contains shaft on which wheel and sprocket of chain drive are secured. Second sprocket serves to tension the chain. Support plate is connected by connecting rod with lever one end of which is hinge-coupled with seat frame and the other is secured on chain of chain drive. Belt is wound on wheel and fixed. EFFECT: no necessity of locking for and pulling of belt. 3 cl, 2 dwg