| 摘要 |
A flat elongated body member has indicia markings on its top surface and a slot is provided in such top surface in which a cutter member is slidably guided. The cutter member has a rearward portion biased to an upwardly angled position by a spring. Such rearward portion supports a cutter blade on one side of the cutter member so as to lie closely adjacent one side edge of the body member. In the upper angled position of the rearward portion of the cutter member the cutting edge of the blade is disposed above the bottom surface of the body member but projects below such bottom surface in a cutting position when the rearward portion of the cutter member is forced downwardly. The cutter member includes a compartment for the storage of store cutter blades. Also the body member has one or more lateral projections for alignment in cutting functions.
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