| 摘要 |
This invention relates to a resettable mechanical counter. It is an object of the invention to provide such a counter in which the means required to reset the counter constitute a key which can be removed from the counter and can be used to reset a plurality of counters so that the counters are simplified and can be manufactured at lower cost. This object is accomplished by the provision of a resetting slider, which is provided with disengaging cams and adapted to be inserted into tracks provided on the frame of the counter and to be removed from said frame.
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