Leaf spring and method of manufacture thereof having sections with different levels of through hardness

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United States of America Patent

PATENT NO 9890440
SERIAL NO

15431480

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Abstract

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Leaf springs, and methods of manufacturing thereof, having first and second sections, spaced apart along the length of said leaf spring, said sections are through hardened and tempered to achieve, respectively different levels of finished through hardness, are disclosed.

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Patent Owner(s)

Patent OwnerAddress
HENDRICKSON USA LLC500 PARK BOULEVARD SUITE 1010 ITASCA IL 60143

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farrell, Brian Stratford, CA 71 2088
Wilson, William Sonoma, US 45 482

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