WHEEL ALIGNMENT ADJUSTING METHOD FOR VEHICLE

Japanese Patent JP3699155

B2

PURPOSE: To provide running stability of a vehicle and reduce partial abrasion of tires by adjusting attitude angles of wheels by the sums of camber thrusts and conicities determined by the forces and the directions acting on the drive faces of respective tires in the circulating shaft direction.
CONSTITUTION: When respective wheels are mounted on respective tire drive faces 60 of a vehicle alignment measuring device and turned normally/reversely, a force (a lateral force) is acted in the direction of a circulating shaft (a rotary shaft) by the rotating tires so that board pieces 60A move to the left/right direction, namely, the circulating shaft direction. Then, forces F1, F2 of the whole four wheels in the circulating shaft direction are detected by a sensor 56, the sums Fc of chamber thrusts and cinicities of respective wheels are calculated by an equation (F1+F2)/2 Fc, and the sizes and the directions of the adjustment target values (a force to be left) F of the respective wheels are found by an equation F=2A.Fc (A is a constant determined by a friction coefficient of a road surface). In adjusting the wheel alignment, the toe angles or the cambers of the wheels are adjusted one by one in a tolerance range of a design value.

Naruse Yutaka
Kenjiro Yamashita

JP13950695A

September 28, 2005

June 06, 1995

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Bridgestone Corporation

G01M17/007; B62D17/00; (IPC1-7): G01M17/007; B62D17/00

JP7005076A
JP56115901A
JP62137805U
JP4143103A
JP63182543A
JP51016501A
JP3167444A
JP5001977A

Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda

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