Fiber reinforced resin leaf spring

Details Fiber reinforced resin leaf spring Fiber reinforced resin leaf spring

1984-08-24

1985-12-03

Reger, Duane A.

Spring devices

Fibrous

267 47, F16F 118

Patent

active

045562040

ABSTRACT:
A fiber reinforced resin leaf spring including a curved central section and a pair of generally circular end sections connected to the respective ends of the central section. Each end section defines an opening to receive a connecting member. The spring is wound from an endless strand of substantially continuous fibers impregnated with a cured thermosetting resin. A plurality of longitudinally extending ribs are formed in the neck region of the spring, which joins the curved central section to the respective end sections. The ribs, which extend alternately upwardly and downwardly from a plane extending through the neutral axis of the spring, increase the stiffness of the spring in the neck region and prevent delamination of the fibrous windings during service.

REFERENCES:
patent: 1546584 (1925-07-01), Hutt
patent: 3056706 (1962-10-01), Knoppel
patent: 3142598 (1964-07-01), Rosen
patent: 3367033 (1968-04-01), Sherwood
patent: 3968958 (1976-07-01), Huchette et al.
patent: 4114962 (1978-09-01), Konig et al.
patent: 4414049 (1983-11-01), Jones

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