Back to results
US 11,993,136 B2Granted
Roller blind device for a vehicle interior, and roller blind shaft for same
AssigneeBOS GmbH & Co. KG
InventorStanislav Larin
Life of this patent
Estimating the term…
Abstract
A roller blind device for a vehicle interior including a roller blind shaft and a flexible textile sheet material, an end region of which is secured to the roller blind shaft in order to be wound and unwound relative to the roller blind shaft. The end region of the textile sheet material surrounds an outer casing of the roller blind shaft in the form of a loop which is annularly closed.
Claims24
A roller blind device for a vehicle interior, said roller blind device comprising:
- a roller blind shaft defining a rotational axis and having an outer casing, said outer casing including:
- an outer surface section extending partially about the rotational axis and having a cylindrical outer contour lying along part of an imaginary circle coaxial with the rotational axis;
- and
- a stepped outer surface section, said stepped outer surface section being radially inwardly offset relative to said cylindrical outer contour of said outer surface section;
- said roller blind device further comprising a flexible sheet having a longitudinal dimension and a pair of end regions spaced longitudinally from one another, one of said end regions comprising an annularly closed loop circumferentially enclosing said outer casing of said roller blind shaft, said loop being non-rotatably fixed to said roller blind shaft, said flexible sheet being windable around said roller blind shaft into a wound configuration, said wound configuration comprising a plurality of winding portions of said flexible sheet disposed in superimposed relation with one another, one of said winding portions having first and second areas disposed circumferentially adjacent one another along said one winding portion, said first and second areas each having a radial thickness, said radial thickness of said first area being greater than said radial thickness of said second area, said first area being disposed in said stepped outer surface section of said roller blind shaft to provide said flexible sheet, in said wound configuration, with a uniform cylindrical outer contour when viewed along the rotational axis of said roller blind shaft.
2 more elements
A roller blind device for a vehicle interior, said roller blind device comprising:
- a roller blind shaft defining a rotational axis and having an outer casing, said outer casing comprising:
- an outer surface section extending partially about the rotational axis and having a cylindrical outer contour lying along part of an imaginary circle coaxial with the rotational axis;
- and
- a stepped outer surface section, said stepped outer surface section being radially inwardly offset relative to said cylindrical outer contour of said outer surface section;
- said roller blind device further comprising a flexible sheet having a longitudinal dimension and a pair of end regions spaced longitudinally from one another, one of said end regions comprising an annularly closed loop circumferentially enclosing said outer casing of said roller blind shaft, said loop being non-rotatably fixed to said roller blind shaft, said flexible sheet being unwindable from said roller blind shaft in an extension direction into an extended position and windable onto said roller blind shaft into a retracted position, said flexible sheet in the retracted position comprising a wound configuration, said loop in said wound configuration of said flexible sheet comprising a folded portion accommodated in said stepped outer surface section of said roller blind shaft.
2 more elements
A roller blind device for a vehicle interior, said roller blind device comprising:
- a roller blind shaft defining a rotational axis and having an outer casing comprising:
- at least one recess;
- a circumferentially extending outer surface portion, said outer surface portion including:
- an outer surface section having a cylindrical outermost contour lying along part of an imaginary circle coaxial with the roller blind shaft;
- and
- a stepped outer surface section, said stepped outer surface section being radially inwardly offset relative to said cylindrical outermost contour of said outer surface section, said at least one recess being circumferentially offset from said stepped outer surface section to provide said roller blind shaft with a uniform mass distribution;
- said roller blind device further comprising a flexible sheet having a longitudinal dimension and a pair of end regions spaced longitudinally from one another, one of said end regions comprising an annularly closed loop circumferentially enclosing said outer casing of said roller blind shaft, said loop being non-rotatably fixed to said outer casing and retaining said flexible sheet on said roller blind shaft such that said flexible sheet is windable around said roller blind shaft into a wound configuration, said wound configuration of said flexible sheet comprising a plurality of winding portions of said flexible sheet disposed in superimposed relation with one another, one of said winding portions having first and second areas disposed circumferentially adjacent one another along said one winding portion, said first and second areas each having a radial thickness, said radial thickness of said first area being greater than said radial thickness of said second area, and said stepped outer surface section accommodating therein said first area of said one winding portion to provide said flexible sheet, in said wound configuration, with a uniform cylindrical outer contour when viewed along the rotational axis of said roller blind shaft.
4 more elements
Dependencies are inferred from the claim text.