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    • 19. 发明专利
    • PORTABLE ROLLED WRITING INSTRUMENT AND METHOD FOR USING ROLLED WRITING INSTRUMENT
    • JP2000062380A
    • 2000-02-29
    • JP27244998
    • 1998-08-20
    • KOBAYASHI KOJI
    • KOBAYASHI KOJI
    • B43K19/02B43K3/00
    • PROBLEM TO BE SOLVED: To realize handling operability equivalent to that of a conventional writing instrument at the time of using by constituting of a plate-like part or component having flexibility of the degree for at least winding and a part or component for writing, thereby eliminating a disturbance at the time of carrying a portable rolled writing instrument. SOLUTION: One writing unit 3 and one sheet 2 are attached to a lead 1. The sheet 2 is not particularly limited in a material, size, number and shape except a flexible property in the degree of rolling on the lead 1. At the time of using, the sheet 2 is rolled on the lead 1. As a result, the writing instrument is changed from a plate-like shape to a rod-like shape to be easily handled. At the time of carrying, the sheet 2 is unrolled from the lead 1, and hence changed from the rod-like shape to the plate-like shape. Since the lead 1 is more slender than the sheet 2, even if the lead 1 is inserted into a notebook, the notebook is not partly thickened like that a rolled pen is inserted, but can be easily carried, and a breakage of the notebook is reduced.
    • 20. 发明专利
    • REPLACEABLE BLADE TYPE CUTTER KNIFE WITH COVER GUIDE
    • JP2000014938A
    • 2000-01-18
    • JP22737698
    • 1998-07-06
    • KOBAYASHI KOJI
    • KOBAYASHI KOJI
    • B26B1/08
    • PROBLEM TO BE SOLVED: To prevent the blade of a cutter from being unpreparedly broken, make easy to add a force, and improve the workability by fitting a cover guide to the part of the exposed blade of a cutter knife so as to cover the back side of the blade of the cutter knife. SOLUTION: This replaceable blade type cutter knife 1 has a cover guide 10 about on the straight line passing the working point of the cutter. In use, a cutter blade 2 is set so as not to protrude from the cover guide 10. By forming the cover guide 10 in this way, the cutter blade 2 can be held and stabilized. Accordingly, the cutter blade 2 is strong to a horizontal force and hardly broken. Even if a force is added from above the straight line passing the working point of the cutter, the back part of the exposed replaceable blade is never directly pressed, and the damage of a finger can be thus prevented. The material of the cover guide 10 is not particularly limited, and the form or size thereof can be also optionally selected. The fixing method is not particularly limited except its fixing to the horizontal direction of the cutter blade 2.