| 摘要 |
A tube cutter having a relative movement generating portion including a relative movement generating portion, a tube cutting base and a tube cutting slider. A manual input portion of the relative movement generating portion is to be held by a user's hand. A cutting blade, two auxiliary rollers and a feeding spring are disposed between the tube cutting base and the tube cutting slider. After the user applying a holding force, the pushing plate will compress the spring in the tube cutting slider so that the cutting blade feeds in. In case the applying force is too large, the entire tube cutting base and the cutting slider will be locked via the stopping plate. Thereby avoiding an over-applying force destroying the pipe to be cut. The tube can be automatically feed in or feed in by a holding force of a hand.
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