| 摘要 |
<p>PURPOSE:To simplify an internal structure of a knob and securely operate an operating equipment by constituting the knob of a stationary ring and a casing provided with a push switch, which covers the stationary ring and is abutted against a slip ring under pressure so as to be conducted, and turnably held by the stationary shaft. CONSTITUTION:Inside a casing 7 provided with a push switch 6, a stationary ring 5 having a slip ring 4 disposed coaxially with a stationary shaft 3 is fixed in the stationary shaft 3. Consequently, even through the push switch 6 is moved together with rotation of the casing 7, the push switch 6 is pushed so as to be abutted against the slip ring 4 in face of an abutting portion 61 since the slip ring 4 faces to the push switch 6. The abutted slip ring 4 is conducted through the abutting portion 61, thus operating an operating equipment. Therefore, the operating equipment can be securely operated with a simple and cheap internal structure of a knob.</p> |
