Kabushiki Kaisha Toyota Chuo Kenkyusho

Aichi Steel Works, Ltd.

Chuo Hatsujo Kabushiki Kaisha

Horikiri Spring Mfg., Co., Ltd.

Kazuo Yoshikawa

Yoshimichi Hasegawa

Shigetsune Aoyama

Tsutomu Saito

Junichi Higuchi

A leaf spring construction employs tapered leaf elements made from a steel sheet, where at least the tapered portion of the leaf elements have an arcuate shape in transverse cross-section with a convex surface on the tension side and a concave surface on the compression side thereof.

Leaf spring construction

A leaf spring construction including at least one leaf element made from a flat sheet of uniform width and thickness, the leaf element having an arcuate shape in the transverse cross-section with a convex surface on tension stress side and a concave surface on compression stress side thereof, the leaf element having in cross-section a width b and a transverse center line forming an arc of a radius r.sub.c with the relation of

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Aichi, Japan

Kazuo Yoshikawa