US 12,240,558 B2
Front structure of handlebar vehicle
Tomohiro Doi, Hitachinaka (JP); and Hiroaki Watanabe, Hitachinaka (JP)
Assigned to HITACHI ASTEMO, LTD., Hitachinaka (JP)
Appl. No. 18/267,812
Filed by Hitachi Astemo, Ltd., Hitachinaka (JP)
PCT Filed Dec. 13, 2021, PCT No. PCT/JP2021/045814
§ 371(c)(1), (2) Date Jun. 16, 2023,
PCT Pub. No. WO2022/138283, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 2020-212729 (JP), filed on Dec. 22, 2020.
Prior Publication US 2024/0043089 A1, Feb. 8, 2024
Int. Cl. B62K 23/06 (2006.01); B62L 3/02 (2006.01)
CPC B62K 23/06 (2013.01) [B62L 3/023 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A front structure of a handlebar vehicle in which a clutch lever configured to activate a clutch device configured to connect and disconnect a driving force transmission path to and from a wheel, and a brake lever of a brake device configured to activate a rear-wheel brake are disposed around a grip provided at a side-end part of a steering handlebar, wherein
the brake device includes a hydraulic master cylinder having a cylinder hole for accommodating a piston, and the brake lever configured to activate the piston,
the clutch lever and the brake lever extend along the grip in front of the grip in a body of the vehicle, and are pivotable in the same rotation direction, and
the clutch lever is disposed higher in the body of the vehicle than the brake lever, wherein the brake device is attached to the handlebar via a master cylinder attachment bracket, the master cylinder attachment bracket includes a handlebar attachment portion attached to the handlebar and a master cylinder attachment portion extending downwardly of the body of the vehicle from the handlebar attachment portion, and the hydraulic master cylinder is attached to the master cylinder attachment portion.