| 摘要 |
The invention relates to a position signalling device used for motor actuator mechanisms the plug switches, the switches or mobile core coil are equipped with. Such position signalling devices determine the position a plug switch or a similar apparatus is in, and they transmit this information as an electric signal. According to the provisions of this invention, such a device mainly comprises a base plate (1) on which there are situated more fixed signalling contacts (11) and a rotating cam plate (2) which, on the one hand, provides the electric connection between the fixed contacts (11) through the fast spring switch (3), and, on the other hand, a derivation (12) which performs the fast spring switch actuation due to the cam outline (22) on its lateral surface.
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