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US 12,508,905 B2Granted
Light guide for rotary knob operation device
AssigneeVolkswagen Aktiengesellschaft
InventorsWojciech Huwer, Henning Thiele
Life of this patent
Estimating the term…
Abstract
A light guide includes a viewing side, a rear side opposite the viewing side, a plurality of rib elements formed on the rear side and configured to define a light scatter output from the light guide. The light guide is configured to be coupled to a rotary knob operating device, with the rib elements providing a compression fit with the rotary knob operating device.
Claims8
A light guide comprising:
- a rear side configured to receive light from a light source;
- a viewing side opposite the rear side and configured to output light received by the rear side;
- and
- at least one fastening element disposed on the rear side, the fastening element having a structure configured to produce a predefined light pattern coupled out of the viewing side;
- wherein, the light guide is configured such that, when coupled to a rotating interior device for a passenger vehicle, the at least one fastening element holds the light guide to the interior device, with the viewing side of the light guide arranged perpendicular to an axis of rotation of the interior device, and the viewing side is visible in the passenger compartment,
- wherein the at least one fastening element is a semicircular compression rib which forms a frictional engagement with a rolling bearing when a rotary element is fitted onto the rolling bearing such that the rotation of the rotary element causes corresponding rotation of an interior device for a passenger compartment of a transportation vehicle.
3 more elements
Dependencies are inferred from the claim text.