Abstract: Operator restraint systems of the type having a lap belt restrain the operator at all times including side tipovers. An operator restraint system has an apparatus for connecting a lap belt first end portion to an operator's station at a location adjacent a seat first side and an apparatus for connecting a lap belt second end portion to the operator's station at a location adjacent a seat second side and an apparatus for releasing one of the first and second lap belt end portions from connection with the operator's station in response to an impact being applied in a direction transverse to one of the first and second seat side portions. Therefore, the lap belt is released during side tipover impacts and the problems associated therewith are overcome. The operator restraint system is particularly suited for use on a material handling vehicle.