US Patent 11260911 Personal electric vehicle

A frame for a personal electric vehicle includes (a) a chassis floorpan extending axially between a front and a rear and laterally between opposite sides, the floorpan having a floor and a sidewall extending upwardly from a periphery of the floor to a raised peripheral edge of the floorpan; and (b) a safety cage mounted to the chassis floorpan and comprising a plurality of interconnected tubular members defining an occupant interior. The tubular members include a plurality of pillars spaced apart from each other along the peripheral edge and fixed against the sidewall for securing the safety cage to the chassis floorpan.