| 摘要 |
A cutter knife having a blade connected to a slider is slidably held in an elongated sleeve member. The slider is provided with first and second engagement protrusions, the protrusions respectively located on a forward end and a backward end of the slider with respect to a sliding direction. Either one of the engagement protrusions is for inserting into a connection hole of the blade for connecting the slider and the blade. A distance separating the first and the second engagement protrusions from an inner surface of the sleeve member, when the slider is inserted into the sleeve member, is set smaller than a distance between the connection hole and a back of the blade, and thereby the back of the blade is biased against the inner surface of the sleeve member and the blade edge is protected. When the inserting direction of the slider is reversed, the bias direction of the blade is also reversed.
|
