| 摘要 |
In a slitter, the combination comprises a blade having a cutting edge; a holder for the blade, including a handle, and a terminal on the handle retaining the blade with the blade edge protruding; a shield carried by the holder proximate the terminal, for movement between extended position in which the blade is protected, and retracted position in which the blade edge is exposed for cutting, there being a torsion spring carried by the holder and having an arm biasing the shield toward extended position, the spring arm projecting in a hollow defined by the shield; and the shield extending parallel to the blade, at opposite sides thereof.
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