Blade-switchable utility knife
The present invention relates to an improved blade-switchable utility knife. The utility knife comprises a housing, a blade slider, a slide actuator, a switch actuator, and a pair of blades. By switching the switch actuator, a corresponding blade is pushed and pressed by either a first auxiliary reacting portion or a second auxiliary reacting portion to remain in an operative position thereof, and is moved together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of blades for use and convenient carrying, etc.
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Chun-Feng
Ho