LEAF SPRING DEVICE FOR A VEHICLE, CHASSIS WITH SUCH A LEAF SPRING DEVICE AND A METHOD FOR PRODUCING SUCH A LEAF SPRING DEVICE AND/OR SUCH A CHASSIS

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United States of America Patent

APP PUB NO 20190309815A1
SERIAL NO

16374971

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A leaf spring device (1, 101) for a vehicle with a spring leaf (2, 102) made from a fiber-enforced plastic. In order to realize the stiffness and/or a progressive suspension of the leaf spring device (1, 101) during increasing spring stress, the spring leaf is has an inner space (5, 6, 105, 106), which is at least partially or completely filled with an elastic material.

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Patent Owner(s)

Patent OwnerAddress
ZF FRIEDRICHSHAFEN AG88046 FRIEDRICHSHAFEN

International Classification(s)

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  • 2019 Application Filing Year
  • B60G Class
  • 647 Applications Filed
  • 499 Patents Issued To-Date
  • 77.13 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HACKER, Clemens Osnabrueck, DE 4 10
PLEYER, Marcel Melle, DE 3 6
RUPFLIN, Thomas Stetten, DE 6 33
SIDDIQUI, Sami Uddin Lemfoerde, DE 3 8

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Patent Citation Ranking

  • 1 Citation Count
  • B60G Class
  • 33.01 % this patent is cited more than
  • 6 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges103204501 - 1011 - 200102030405060708090100110120130140150160170180190200210220

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