A mini standing hand powered tricycle for sidewalks, indoor large surfaces, etc. conceived for users, with weak legs and strong arms that get tired walking. The tricycle is propulse by a conventional bicycle hand pedal sprocket wheel and chain to allow driving, steering, and braking by the user in a standing position.
MINI STANDING HAND POWERED TRICYCLE.
MINI TRICYCLE A ENTRAINEMENT MANUEL A POSITION VERTICALE.
2017-05-09
Patent
Elektronische Ressource
Englisch