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Illuminable control knob, has handle bearing translucent indicating dial on front side and designed as back open part, and torque-proof drum formed with light chambers in interior of open part, where drum axis coincides with rotation axis
Illuminable control knob, has handle bearing translucent indicating dial on front side and designed as back open part, and torque-proof drum formed with light chambers in interior of open part, where drum axis coincides with rotation axis
The knob (1) has a central retainer i.e. connector socket, attaching a handle (2) on a shaft (6) of a control part (8), where the shaft is movable around a rotation axis (D). The handle bears a translucent indicating dial (9) on front side. The dial is illuminated from inner side by a light source (11) i.e. LED, arranged at a circuit board. Light from the source is irradiated into interior at rear side of the handle that is designed as a back open part. A torque-proof drum (4) is formed with light chambers (5) in interior (3) of the open part. A drum axis coincides with the rotation axis.
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