| 摘要 |
An improved pipe or core trimmer device which is adapted for a variety of electro-motor driven mechanisms for removing extraneous work material from annular rolls of prefabricated materials. The core trimmer uses an internal sliding shaft having a long taper portion that advances a cutter block containing a single blade portion. The blade portion delivers a clean cut to an extraneous core of material which is subsequently discarded by an ejector mechanism integrally mounted within a wall portion of the core trimmer. The extraneous material is ejected in a direction parallel a central axis coincident with a drive shaft without the need for intermittent translation or back and forth motion as required by similar conventional cutters. The core trimmer includes a cutter block and two cam followers which hold even pressure on two sides of the shaft, opposite the cutting blade.
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