US 12,233,983 B2
Ratchet-driven self-propelled scooter
Chen Zhang, Anhui (CN); and Jimin Zhang, Anhui (CN)
Filed by Chen Zhang, Anhui (CN); and Jimin Zhang, Anhui (CN)
Filed on Jan. 28, 2022, as Appl. No. 17/586,788.
Prior Publication US 2023/0174187 A1, Jun. 8, 2023
Int. Cl. B62K 17/00 (2006.01); A63C 17/12 (2006.01); B62M 1/24 (2013.01)
CPC B62K 17/00 (2013.01) [B62M 1/24 (2013.01); A63C 17/12 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A ratchet-driven self-propelled scooter, comprising a scooter body and a transmission mechanism set on the scooter body;
the scooter body comprises a scooter main body, traveling wheels respectively provided at front and rear ends of the a lower side of the scooter main body and axles matched with the traveling wheels, and a ratchet pawl disc is provided on the axles;
the transmission mechanism comprises a driving pedal, a driving clamp and a ratchets; the driving pedal is arranged on the scooter main body, front end of the driving pedal is installed on the scooter main body through a supporting shaft, and rear end of the driving pedal is tilted; a torsion spring is arranged between the driving pedal and the supporting shaft; the driving clamp is arranged at a lower rear end of the driving pedal, a lower part of the driving clamp is provided with a pressing arm wheel, and a bottom end of the driving clamp is provided with a lifting arm wheel; the ratchet and the ratchet pawl disc are installed on the axle of the rear traveling wheel in cooperation, and the ratchet pawl disc rotates synchronously with the axle and the rear wheel, and an outer side wall of the ratchet is provided with a ratchet arm; one end of the ratchet arm extends between the pressing arm wheel and the lifting arm wheel.