| 摘要 |
An electric switch cooperating with a steering wheel shaft provided with a control cam for controlling change of direction indicators of a motor vehicle includes a support casing and a control lever pivotally mounted on the support casing about a first pivot axis and a reversing plate pivotally mounted on the support about a second axis parallel to the first pivot axis. The lever includes an indexing stud which cooperates with a notched surface on the support casing. The reversing plate is resiliently urged toward the steering wheel shaft and faces the control cam to move relative to the second axis away from the control cam. Drive structures are provided on the reversing plate for cooperation with the lever so that the reversing plate is pivoted about the second axis into a working position when the control lever is itself pivoted about the first axis into a working position. Slopes provided on the reversing plate interfere with the rotary path of the control cam when the reversing plate is in the working position.
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