Land vehicles – Wheeled – Running gear
Patent
1997-03-03
1998-12-08
Rice, Kenneth R.
Land vehicles
Wheeled
Running gear
280123124, B62D 2100
Patent
active
058459383
ABSTRACT:
A suspension arm adapted for use in a suspension system of an automotive vehicle, the suspension arm being in the form of a single structure made of sheet metal pressed in an approximately L-shape and having a rear arm portion formed at one end thereof with a rear mounting portion mounted on a vehicle body structure and at the other end thereof with a support portion supporting a road wheel mounted thereon and a front arm portion bifurcated from an intermediate portion of the rear arm portion and formed at a distal end thereof with a front mounting portion mounted on the vehicle body structure at a position spaced from the rear mounting portion in a fore-and-aft direction of the vehicle, wherein a crotched portion between the front and rear arm portions is in the form of a lower stiffness portion to be buckled or deformed when applied with an impact force in the fore-and-aft direction of the vehicle, and wherein the front and rear arm portions are reinforced at their outer peripheries except for a region of the low stiffness portion to provide enhanced transverse stiffness of the suspension arm in a lateral direction of the vehicle.
REFERENCES:
patent: 4157840 (1979-06-01), Kroniger et al.
patent: 4334693 (1982-06-01), Huber
patent: 4702515 (1987-10-01), Kato et al.
patent: 4720120 (1988-01-01), Shimatani et al.
patent: 4772043 (1988-09-01), Muramatsu
patent: 5098118 (1992-03-01), Hayashi et al.
patent: 5322317 (1994-06-01), Kusaka et al.
patent: 5362090 (1994-11-01), Takeuchi
patent: 5607177 (1997-03-01), Kato
Rice Kenneth R.
Toyota Jidosha & Kabushiki Kaisha
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