Title:
CUTTER KNIFE
Document Type and Number:
Japanese Patent JP2022173172
Kind Code:
A
Abstract:
To provide a safe replaceable blade cutter knife which enables a blade to be replaced from the tip side and prevents the blade from being removed from a slide unit against user's will.SOLUTION: A cutter knife 1 includes: a holder 10 having a rail 12 in which a longitudinal opening is formed in a longitudinal direction; and a slide unit 20 which is connected to the blade 5 and slidably held by the rail 12. The rail 12 has: step parts 15 each of which is formed at the tip side, defines the tip side of a normal slide range of the slide unit 20, and narrows a lateral width of the longitudinal opening; and a blade replaceable recessed part 16 installed on a bottom surface located at the tip side relative to the step parts 15. The slide unit 20 has: a hook 35 having a long plate part 36 in which a blade connection protruding part 37 is installed at a tip; and a step collision part 43 which may move between a step collision position and a collision avoidance position when the slide unit 20 is in a normal slide forefront end.SELECTED DRAWING: Figure 6
Inventors:
TSUYUKUCHI NORIYUKI
Application Number:
JP2021079391A
Publication Date:
November 18, 2022
Filing Date:
May 08, 2021
Export Citation:
Assignee:
SHIKOKU DOKI KK
International Classes:
B26B1/08
Attorney, Agent or Firm:
Aihara Tadashi