| 摘要 |
A utility knife system for cutting objects The utility knife system has an external handle, an internal housing assembly, and a retracting and latching assembly slidable within the internal housing assembly. The internal housing assembly has a base featuring support ridges to come in contact with the external housing when in a closed position, a sliding track adjacent the base, and at least one latching notch. A hinge is provided for pivotally connecting the external handle to the internal housing. The retracting and latching assembly is receivable within the sliding track of the internal housing and is removably engageable with the latching notch of the internal housing assembly. The retracting and latching assembly is adapted to removably retain a cutting blade and retract the cutting blade in and out from the internal housing assembly.
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