Title:
TORSION BEAM TYPE SUSPENSION
Document Type and Number:
Japanese Patent JP3551039
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve the strength of the part adjacent to both ends of a torsion beam by constituting the vehicle longitudinal width of a lower flat part so as to be maximum in the center and gradually reduced toward both ends of the area.
SOLUTION: The U-shaped section of a torsion beam 12 is set to a form opened to the rear end of a trailing arm from the front end thereof, or backward. The depth of the U-shaped section is constant in the center of the torsion beam 12, and gradually increased toward both ends of the torsion beam 12. Since a hole 40 and an elliptic hole 42 are provided on a front edge 12A situated adjacently to a position 12H, this part is most easily deformed when a lateral force acts on a wheel. An area 12E in which the vehicle longitudinal width W1 of the lower flat part is larger than the vehicle longitudinal width Wu of the upper flat part includes the position 12H, which is the part most easily deformed when the lateral force acts thereon, and the vicinity thereof.
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Inventors:
Tetsushi Sano
Application Number:
JP27230698A
Publication Date:
August 04, 2004
Filing Date:
September 25, 1998
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B60G9/04; B60G99/00; (IPC1-7): B60G9/04
Domestic Patent References:
| JP58090814U | ||||
| JP10230723A | ||||
| JP8324218A | ||||
| JP7186654A | ||||
| JP63070411U | ||||
| JP10230723A |
Attorney, Agent or Firm:
Akashi Masatake
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