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US 2012/0067672 A1Published application
Car lift for motor vehicles
AssigneeOtto Nussbaum GmbH & Co. KG
InventorHans Nussbaum
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AssigneeOtto Nussbaum GmbH & Co. KG
InventorHans Nussbaum
Estimating the term…
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).
A car lift (1) for motor vehicles, comprising at least one first and one second lift element, each having at least one hydraulic cylinder/piston assembly (9, 9′, 10) for lifting a motor vehicle, with each of the cylinder/piston assemblies comprising an inlet (9a, 9a′, 10a) for feeding and an overflow for draining hydraulic fluid when lifting the motor vehicle, and the first cylinder/piston assembly (9, 9′) being a master assembly, with its overflow being connected in a fluid-conducting fashion to the inlet (10a) of the second cylinder/piston assembly (10) which acts as a slave assembly, at least one of the cylinder/piston assemblies (9, 9′, 10) comprises an overflow channel (9c, 10c), which is arranged such that only in an area of an end position at a maximally raised or maximally lowered vehicle, the inlet (9a, 9a′, 10a) of said cylinder/piston assembly is connected to the overflow channel (9c, 10c) in a fluid-guiding fashion.
Dependencies are inferred from the claim text.