VEHICLE ROLL-OVER PROTECTION DEVICE Russian patent published in 1998 - IPC

FIELD: transport engineering; tractors. SUBSTANCE: pendulum is installed on vehicle by means of spherical hinge joint. With vehicle tilting, pendulum displaces in corresponding plane and comes in contact with one of members which breaks normally closed contacts and closes normally open contacts. Contacts are parallel connected to each other and series connected with supply source and are also connected with light and sound signalling devices installed on vehicle. Device warns the driver of tilting through angle exceeding preset tolerable angle before its value reaches critical point. EFFECT: prevention of rolling over of tractor by automatically switching off power supply to ignition system. 2 dwg