Patent ID: 8640566

Claim:
A throttle device for a vehicle, comprising: a throttle grip rotatably, turnably supported on a handle bar; and a housing for containing and holding an extension part of said throttle grip, said extension part extending toward a handle bar base end side, the rotational turning amount of said throttle grip being detected by use of a magnetic sensor arranged in said housing, said throttle grip and said housing being axially arranged relative to said handle bar; wherein said extension part of said throttle grip is provided at the outer periphery thereof with an enlarged diameter part for holding a magnet of said magnetic sensor, said housing is equipped with a first sensor body positioned on the handle bar base end side of said magnetic sensor and a second sensor body positioned on a handle bar tip end side of said magnetic, said first sensor body and said second sensor body being disposed one on each side of said magnet in an axial direction of said handle bar, wherein said enlarged diameter part and said first and second sensor bodies are opposed to each other in the axial direction of said handle bar; said first and second sensor bodies detecting the turning amount of the throttle grip according to a magnetic force that varies depending on the turning position of the magnet.