| 摘要 |
An adjustable safety utility knife includes an elongated ergonomically shape d handle defining a front and back end, an intermediate portion, and top and bottom surfaces, defining an elongated cavity, the handle having a slot-like aperture at the front end and dimensioned for passage of a flat cutting blade therethrough. A guide element within the elongated cavity guides the cutting blade between a first storage position and a second extended working position. The handle has a rear opening for accessing the elongated internal cavity. The knife includes a carrier frame removably receivable within the internal cavity through the rear opening, the carrier frame having a blade cartridge receiving compartment fo r holding a blade cartridge for storing cutting blades. The carrier frame may include a rear wall that generally conforms with the outer surface of the handle and may be totally removable from the handle.
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