Vehicle wheel suspension with quadrilateral link strut

Details Vehicle wheel suspension with quadrilateral link strut Vehicle wheel suspension with quadrilateral link strut

1991-05-31

1992-05-19

Marmor, Charles A.

Land vehicles

Wheeled

Running gear

280690, 280691, B60G 320

Patent

active

051141752

ABSTRACT:
In a suspension device for a vehicle wheel in a vehicle having a carrier for supporting the vehicle wheel, an upper arm pivotably connected with an upper portion of the carrier at an outboard end thereof and connected with a body of the vehicle at an inboard end thereof to be pivotable about a substantially horizontal and longitudinal first axis of revolution, and a lower arm pivotably connected with a lower portion of the carrier at an outboard end thereof and with the body of the vehicle at an inboard end thereof, the forward and rearward movement of the outboard end of the lower arm is restricted by a quadrilateral link mechanism formed of the lower arm, a first strut member pivotably connected with an outboard portion of the lower arm at a rear end thereof and with the body of the vehicle at a front end thereof, a second strut member pivotably connected with an outboard portion of the lower arm at a rear end thereof and with the body of the vehicle at a front end thereof, and the vehicle body, wherein a first phantom straight line which passes the rear and front pivot points of the first strut member and a second phantom straight line which passes the rear and front pivot points of the second strut member substantially traverse a third phantom straight line passing a center of the pivotable connection of the inboard end of the lower arm with the vehicle body on a front side of the lower arm, the third phantom straight line substantially traversing the first axis of revolution on a rear side of the lower arm.

REFERENCES:
patent: 3759542 (1973-09-01), Loffler
patent: 3831970 (1974-08-01), Muller
patent: 3881741 (1975-05-01), Muller
patent: 4033605 (1977-07-01), Smith et al.
patent: 4614359 (1986-09-01), Lundin et al.
patent: 4715614 (1987-12-01), Kijima et al.
patent: 4955635 (1990-09-01), Haraguchi
patent: 4968056 (1990-11-01), Haraguchi
Toyota Catalog, 2 pages.

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