Invention Grant
US07971812B2 Power saving shredder 有权
省电粉碎机

Power saving shredder
Abstract:
The present invention discloses a shredder which does not waste energy in standby mode. Power is applied to the components of the shredder only when material to be shredded is inserted into the shredder throat or when the unit is switched into reverse to clear a jam in the shredder.
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