US Patent 9422023 Bicycle for riding and walking

The present bicycle enables a user to selectively ride or walk the bicycle by providing a clearance or enclosure between the front portion of the bicycle and the rear portion of the bicycle. The enclosure is created by bending two top tubes laterally outward and away from each other, and bending two down tubes laterally outward and away from each other, so that the user can stand or walk within the enclosure, with his body between the two top tubes and between the two down tubes. The space provided by the enclosure is sufficient to permit pedaling while seated and permit walking while standing, without excessive bumping into the bicycle frame.