Invention Grant
US07656109B2 Trash can with power operated lid 失效
垃圾桶可以用动力操作的盖子

Trash can with power operated lid
Abstract:
A trash can can include a sensor for detecting the presence of an object near a lower portion of the trash can. The detection of the object can be used to signal the trash can to open its lid. The trash can can include an electric drive unit for opening and closing the lid.
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