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US 4,643,406 AGranted
Fastening of a leaf spring of composite material
AssigneeRenault Vehicules Industriels
InventorsFrancois Mounier-Poulat, Jean Beaupellet, Patrick Gardier
Life of this patent
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Abstract
Fastening of a leaf spring of composite material to a heavy vehicle is accomplished by the clamping of clamps acting on metal shoes located on both sides of the leaf spring, on the surface of which are inserted two U-shaped rubber pieces. On the inner face of said rubber pieces steel sheets are adhered, whose free face is glued to the leaf of the spring.
Claims6
In an assembly of a fiber reinforced plastic composite leaf spring and a suspension element of a vehicle, means for fastening said leaf spring to said suspension element, comprising:
- metal shoes located on two sides of said leaf spring, at least one of said shoes being fixed to said suspension element;
- U-shaped rubber pieces positioned between each of said shoes and said leaf spring, each of said rubber pieces having a face corresponding in shape to said leaf spring;
- a steel sheet positioned between each said rubber piece and said leaf spring, each said sheet being bonded to said rubber piece and to said leaf spring and having curved ends;
- and
- means for clamping said metal shoes to said leaf spring with said rubber pieces and steel sheets therebetween, whereby said leaf spring is not damaged by a clamping force of said metal shoes.
2 more elements
Dependencies are inferred from the claim text.