Metal working – Method of mechanical manufacture – Repairing
Patent
1985-02-22
1986-04-15
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Repairing
72704, 72458, 81488, B21C 100, B21J 1308
Patent
active
045818029
ABSTRACT:
A caster adjustment tool is used to adjust the caster angle on a McPherson front end suspension system having a strut arm connected to an upper bearing assembly which, in turn, is adjustably connected to a strut mounting plate affixed to the frame of a vehicle. The upper end of the strut arm is connected to the bearing assembly by a strut fastener exposed in an opening in the strut mounting plate. The caster adjustment tool includes a ring for fitting around the upper strut fastener, a lever arm, and a force arm of adjustable length extending between the ring and a lower portion of the lever arm. The force arm pivots on the lower portion of the lever arm. A connector on the lever arm below the pivot engages an edge of the strut mounting plate as the ring fits around the strut fastener. Fasteners connecting the strut bearing assembly to the strut mounting plate are loosened prior to the caster angle adjustment, and the lever arm is then forced to pivot its lower end against the rigid mounting plate which causes the force arm and the ring to move progressively toward the strut fastener to apply a sideways adjustment force to the upper strut bearing assembly to move the strut through an angle to adjust the caster setting. The caster adjustment tool can be used in the same way from either side of the strut bearing assembly to adjust either positive or negative caster angle.
REFERENCES:
patent: 3807693 (1974-04-01), Castoe
patent: 4424697 (1984-01-01), Carver
patent: 4490897 (1985-01-01), Forre
Goldberg Howard N.
Rising Vernon K.
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