Patent Number: 8,876,310

Title: Operation device

Abstract: An operation device is capable of illuminating a peripheral wall of an operation knob in a circumferential direction. The operation device includes an operation knob having a substantially cylindrical peripheral wall centering on an axis and rotating around the axis, the peripheral wall being provided with an illuminated portion in a circumferential direction; an illumination light source provided on the axis of the operation knob and emitting light frontward; and a reflector. A reflection surface is configured with a portion of a surface of the reflector provided inside the operation knob. The reflection surface has a shape extending in the circumferential direction centering on the axis of the operation knob and having a diameter increasing toward a front side such that the light emitted frontward from the illumination light source is reflected by the reflection surface toward the illuminated portion.

Inventors: Nozaki; Makoto (Yokkaichi, JP), Nakajima; Hirokatsu (Yokkaichi, JP)

Assignee: Sumitomo Wiring Systems, Ltd.

International Classification: G01D 11/28 (20060101)

Expiration Date: 2019-11-04 0:00:00