| 摘要 |
<p>The present invention is related to a retractable rotary control knob used in all kinds of electrical household appliances, which protrudes from the control surface when pushed and which may be used for the operation of the components that are commanded by a turning or push-pull rod. The fact that the cylindrical pin (16) operating inside the mechanism movement space (2b) is produced as its integral part and the thin rib (1a) providing the connection of said pin (1b) with the cap (1) are integral parts of the plastic structure used for the cap to form a monobloc component has enabled the realization of the control knob by using less parts as compared with similar systems.</p> |
