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US 5,667,203 AGranted
Air-spring leg
AssigneeMercedes-Benz AG
InventorMatthias Romer
Life of this patent
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Abstract
An air-spring leg is disclosed having a telescopic element preferably in the form of a shock absorber and having an air chamber of variable volume which is combined with said telescopic element. A casing part is connected for wobbling movement to the cylinder of the telescopic element and also another casing part is provided capable of wobbling movement relative to the piston or piston rod of the telescopic element. A bellows is arranged between these casing parts.
Claims11
An air-spring leg comprising:
- a telescopic element in the form of a shock absorber and which comprises a cylinder, a piston retractable therein, and an air chamber of variable volume which is combined with the telescopic element,
- a first casing part connected to the piston and surrounding at least a portion of said piston,
- a second casing part fastened to the cylinder,
- a bellows arranged between the casing parts, and which substantially concentrically surrounds the telescopic element, at least over an axial portion,
- wherein one of said casing parts has a diameter smaller than that of the other casing part and is axially retractable into the other casing part during inward spring strokes, and
- wherein the second casing part is arranged by its end remote from the bellows for wobbling movement on the cylinder of the telescopic element.
3 more elements
Dependencies are inferred from the claim text.