Car lift for motor vehicles
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United States of America Patent
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May 2, 2017
Issued Date -
N/A
app pub date -
Sep 14, 2011
filing date -
Sep 14, 2010
priority date (Note) -
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Abstract
A car lift for motor vehicles, having at least a first and a second lift element, each having at least one hydraulic cylinder/piston assembly (9, 9′, 10) for lifting motor vehicles, with each cylinder/piston assembly including an inlet (9a, 9a′, 10a) for feeding and an overflow for draining hydraulic fluid when the motor vehicle is raised. The first cylinder/piston assembly (9, 9′) is embodied as the master assembly, by its overflow being connected in a fluid-guiding fashion to the inlet (10a) of the second cylinder/piston assembly (10) embodied as a slave assembly. At least one of the cylinder/piston assemblies (9, 9′, 10) has an overflow channel (9c, 10c) arranged and embodied such that only in an area of the end position at maximally raised or maximally lowered vehicles the inlet (9a, 9a′, 10a) of the cylinder/piston assembly is connected in a fluid-conducting fashion to the overflow channel (9c, 10c).
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