Patent ID: 7900753

Claim:
A braking ratio device for a remote control model car, said braking ratio device comprising: a servo motor provided with a shaft extended upwards from top of the servo motor; a suspending arm provided with a controlled member formed at one end portion; a connecting member formed at one end of said controlled member for being fixed with said shaft of said servo motor; a driving member extended out from said connecting member to form a preset angle with said controlled member; said controlled member fixed with said shaft of said servo motor to enable said suspending arm to be whirled with a preset angle by said shaft; a ratio device provided with a pivotal base pivotally fixed on said controlled member of said suspending arm; a ratio base connected with said pivotal base to move axially; a front brake connecting rod and a rear brake connecting rod having one end respectively connected pivotally with two sides of said ratio base; a front braking set and a rear braking set respectively connected with another end of said front brake connecting rod and said rear brake connecting rod respectively; said ratio base being moved axially to alter a distance between said front brake connecting rod and said front braking set, and a distance between said rear brake connecting rod and said rear braking set also altered to create a time difference of braking between said front braking set and said rear braking set; and a carburetor connecting rod fixed under and activated by said driving member of said suspending arm.