Patent ID: 8081067

Claim:
A retainer arrangement for a school bus having a hinged arm that is hinged on an actuator assembly mounted to the school bus, has a hinged end and an oppositely disposed free end, and pivots between a stored position adjacent the school bus to a deployed position extending outwardly of the school bus, the retainer arrangement being attachable to the school bus for retaining the hinged arm in the stored position positively, and comprising a retainer housing being attachable to the school bus in a location adjacent an outer edge of the hinged arm at the free end thereof diametrically opposite of the hinged arm actuator assembly and carrying an electric servo motor, and a lock member that is coupled to the servo motor, and that moves between a lock position overlying the outer edge of the hinged arm and retaining the hinged arm in the stored position and a release position that frees the outer edge of the hinged arm, allowing the hinged arm to pivot outwardly.