Patent ID: 8717126
Filing Date: 2014-05-06
Classification: H01H

Abstract:
1. A stopper structure comprising: a wall defining an opening; a rotary electronic component having a rotational shaft extending through the opening; a channel stopper having a tubular body and an engagement member, the tubular body being detachably mounted on the rotational shaft and being inhibited from rotating relative to the rotational shaft, the engagement member projecting from an end of the tubular body in an axial direction and a radial direction with respect to the rotational shaft; a rotary operation member detachably mounted on the rotational shaft and the tubular body and being inhibited from rotating relative to the rotational shaft and the tubular body, the rotary operation member having an axial hole whereinto at least respective portions of the rotational shaft and the tubular body fit; and a limiting portion provided on the wall engageable with the engagement member for limiting a range of rotation of the rotational shaft; wherein the engagement member projects from the end of the tubular body in an axial direction away from the tubular body.