| 摘要 |
A photoelectric garbage bin, which includes a rectangular housing having an opening on its beveling upper portion covered by a pivotal cover board and defining therein a space for the setting therein of a dustbin. Through the detection of an electric eye on the housing, a motor is driven to carry a rope pulley to take up or let off a rope, which extends from the rope pulley through an idle wheel to secured to the back side of the cover board, so as to drive the cover board to open the opening of the housing or permit two torsion springs to automatically turn the cover board back to original position to completely close up the opening of the housing.
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