Patent ID: 8201542

Claim:
A safety device for the throttle operation comprising: A shaft supported by a bearing at two ends respectively; A throttle lever combined with a torque spring at one end to be hung upward, said throttle lever having another end combined with said shaft and moving together with said shaft diametrically and synchronously, said throttle lever rotating for an angle when stepped down; A linking plate having one end combined with said shaft and moving together with said shaft diametrically and synchronously, said linking plate having another end formed with a bent wing extending to one side; A pulling plate located beside said bent wing of said linking plate and having one end movably connected to said shaft, said pulling plate having another end resting on a side surface of said bent wing of said linking plate; and A contact switch fixed at one side of said linking plate and having a contact point to contact with a surface of said linking plate during said throttle lever not stepped down, said linking plate contacting said contact point of said contact switch when the linking plate returns to its original position so that said contact switch may electrify an engine control system to function to force said engine to reduce its speed to a slow condition, protecting safely a vehicle from causing danger in driving.