| 摘要 |
A torque limiting driver with a belt driven use indicator, having a body with a shaft and tool at one end and a counter or indicator at the other end, is disclosed. The indicator is driven by a drive shaft and belt corresponding to movement of the tool. The indicator provides at least one visual cue which corresponds to a predetermined amount of use, or end of life. Alignment of the at least one visual cue with a sight or mark may be used to estimate or determine usage.
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