| 摘要 |
A rechargeable electric herb grinder according to one embodiment comprises a grinder housing having one or more of housing compartments attachable to each other along a separating joint, a grinding chamber for receiving an herb, the grinding chamber being formed inside the grinder housing by the housing compartments and a spacer, an electric motor separated from the grinding chamber by the spacer, the spacer being rigidly coupled to the electric motor, a driven shaft mounted and received in the grinder chamber through an aperture in the spacer for rotation of a grinding means mounted on the driven shaft by the power provided by the electric motor, the grinding means being utilized to grind the herb, an internal rechargeable battery located outside of the grinding chamber, the internal rechargeable battery having first conductors to provide electric current to the electric motor, a recharging plug coupled to the grinding housing to recharge the internal rechargeable battery and having second conductors for connecting to an external power supply, thereby enabling recharging of the internal rechargeable battery, and a two-condition control switch, a relay having at least one pair of openable and closable contacts, and third conductors electrically interconnecting the electric motor, the two-condition control switch and the relay with the internal rechargeable battery.
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