| 摘要 |
An automatic paper shredder is capable of sequentially cutting up to 20 sheets of 20-lb bond paper, up to 9 inches wide. The device has adjustable holders for attachment to conventional wastebaskets of varying shapes. A feed tray holds the stack of paper. Upon selection of either manual (ON) or automatic (AUTO) operation of the machine, a single sheet of paper is fed into the machine by a roller as are subsequent sheets, if any. With the three-way switch set to AUTO, any sheets on the tray are detected by a sensor and are automatically fed into the machine for shredding. A plug-in motor contained in the housing of the machine drives a plurality of shafts for the feed roller and knife rollers. The knife rollers are configured to either shred the paper into about ⅜-inch wide strips or to cross-cut the paper into a plurality of smaller pieces.
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