Dual-stage tapered leaf spring for a trailer

Details Dual-stage tapered leaf spring for a trailer Dual-stage tapered leaf spring for a trailer

B - Operations, Transporting

60

G

B60G 5/04 (2006.01) B60G 5/047 (2006.01) B60G 11/04 (2006.01) B60G 11/107 (2006.01)

Patent

CA 2059252

The present invention discloses a lightweight dual-stage tapered leaf spring assembly for use in heavy-duty trailer suspension applications. The dual-leaf tapered leaf spring assembly has a main or first tapered leaf defining a first stage rate and a second tapered leaf operable to define a second stage rate. The first and second leafs are formed to include a tapered thickness profile which closely approximates a true modified parabolic taper, The "approximated" modified parabolic profiles for each of the main and second leafs are adapted to provide a smooth non-linear transition between the first and second stage rates,

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