Invention Grant
US3973443A Timing relay having an electric motor device 失效
具有电动机装置的定时继电器

Timing relay having an electric motor device
Abstract:
In a timing relay including an indexing gear wheel driven by a clutched gear wheel which is driven by an electric motor and in which an actuating element is controlled by means of a cam coupled to the indexing gear wheel with the actuating element being used to operate contact elements on displacement thereof, the actuating element is disposed parallel to the indexing gear wheel and is also arranged to control engagement and disengagement of the clutched gear wheel with the indexing gear wheel.
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