Suspension strut for a motor vehicle with a height-adjustment device
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United States of America Patent
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Dec 5, 2017
Issued Date -
N/A
app pub date -
Sep 17, 2014
filing date -
Sep 17, 2013
priority date (Note) -
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Abstract
The damper and spring unit comprises a damper, a spring member extending coaxially to the damper, a bottom spring plate and a vehicle height adjustment device for adjusting the height of the vehicle from the ground. A first damper element is connected to a wheel carrier of the suspension and a second damper element is slidable relative to the first damper element along the longitudinal axis (z). The adjustment device is interposed between the first damper element and the spring member to change the linear position of the bottom spring plate, and a bottom end of the spring member, relative to the first damper element. A hydraulic linear actuator comprising a cylinder is secured to the first damper element and a piston drivingly connected for translation with the bottom spring plate along the longitudinal axis (z) of the damper between a bottom end-of-travel position and a top end-of-travel position.
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