Patent ID: 11953929
Assignee: ALPS ALPINE CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. An operation device comprising:
a support portion;
a stem configured to tilt;
a switch portion located below the stem and operated by a tilting operation of the stem; and
an operation knob formed of an elastic material,
wherein the operation knob includes an inner surface portion, located below an upper end portion of the stem, that forms a ceiling surface of an internal space, and a housing recess, formed by being recessed upwardly from the inner surface portion, that houses an upper portion including at least the upper end portion of the stem, and
wherein a reinforcing surface is exposed on the inner surface portion, and the reinforcing surface is disposed continuously or intermittently in a direction surrounding the stem.