Paper cutter
OwnerTung-Lung Chianginventor
Life of this patent
Estimating the term…
Abstract
A paper cutter includes a base with a rail secured thereon, a slide unit, a cutter seat and at least two blades. The base is provided with the rail for the slide unit to slide thereon. The cutter seat is pivotally connected to the slide unit. The cutter seat is provided with the blades. The slide unit further comprises a one-way locking member therein. The cutter seat comprises locking edges corresponding to the locking member for one-way engagement of the locking member with one of the locking edges. The cutter seat is positioned with respect to the slide unit. By turning the cutter seat towards a reversed direction, the blades are exchangeable. The one-way locking member is a pawl. The pawl is urged by an elastic member towards one-way direction to engage with the locking edge.
Claims2
A paper cutter comprising a base, a rail, a slide unit, a cutter seat and at least two blades, said base being provided with said rail for said slide unit to slide thereon, said cutter seat being pivotally connected to said slide unit, said cutter seat being provided with said blades, and characterized by:
- said cutter seat rotating round said rail, said slide unit comprising a one-way locking member, said cutter seat comprising locking edges corresponding to said locking member for one-way engagement of said locking member with one of said locking edges, said cutter seat being positioned with respect to said slide unit, by turning said cutter seat towards a reversed direction, said blades being exchangeable.
Dependencies are inferred from the claim text.