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US 12,584,506 B2Granted
Securing element and cover for an interior mirror base of a motor vehicle
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsStefanus Stahl, Martin Friedrich
Life of this patent
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Abstract
A securing element for a motor vehicle has a hermetic body made of plastic which encloses a cavity. The cavity is filled with a filling medium. The thermal expansion coefficient of the filling medium is, up to a softening temperature of the plastic, greater than the thermal expansion coefficient of the plastic. A cover for an interior mirror base of a motor vehicle includes such a securing element.
Claims12
A securing element for a motor vehicle, comprising:
- a hermetic body made of plastic which encloses a cavity, the plastic having a defined coefficient of thermal expansion;
- a filling medium in the cavity, the filling medium having a defined coefficient of thermal expansion, wherein
- the coefficient of thermal expansion of the filling medium, at least up to a softening temperature of the plastic, is greater than the coefficient of thermal expansion of the plastic,
- wherein
- the hermetic body has a prestressed initial configuration comprising a reduced pressure in the cavity, and
- the hermetic body is configured to undergo elastic deformation at temperatures up to the softening temperature of the plastic, and to reset to the prestressed initial configuration upon cooling, assisted by the reduced pressure in the cavity.
3 more elements
An assembly, comprising:
- an interior mirror base of a motor vehicle;
- and
- a cover for the interior mirror base of the motor vehicle, wherein
- the cover includes a securing element comprising:
- a hermetic body made of plastic which encloses a cavity, the plastic having a defined coefficient of thermal expansion;
- a filling medium in the cavity, the filling medium having a defined coefficient of thermal expansion, wherein
- the coefficient of thermal expansion of the filling medium, at least up to a softening temperature of the plastic, is greater than the coefficient of thermal expansion of the plastic,
- wherein
- the hermetic body has a prestressed initial configuration comprising a reduced pressure in the cavity, and
- the hermetic body is configured to undergo elastic deformation at temperatures up to the softening temperature of the plastic, and to reset to the prestressed initial configuration upon cooling, assisted by the reduced pressure in the cavity.
7 more elements
Dependencies are inferred from the claim text.