| 摘要 |
<p>Foot-operated switch (1) for operating at least two different functional elements of a dental apparatus has an arrangement with at least two electrical push button switches in a hollow chamber between a base plate (2) and a covering plate (3). The push button switches are connected via an electrical connection (18) to an electrical or electronic switching system for power supply to the two or more functional elements. The switches are configured as diaphragm switches with pressurized conductor paths between two sealed support layers (11, 12).</p> |
