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Cutting knife

A technology of cutting knife and knife shell, applied in metal processing and other directions, can solve the problem of small thickness of knife shell, etc., and achieve the effect of simple structure and convenient maintenance.

Active Publication Date: 2008-09-24
KOKUYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, it is necessary to ensure a certain area for forming grooves or protrusions in the thickness direction of the knife case. Therefore, there is a disadvantage that the thickness of the knife case cannot be set smaller.

Method used

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Examples

Experimental program
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Embodiment Construction

[0051] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, in this specification, so-called 'front' means the side where the tip of the blade is located, and 'rear' means the opposite side.

[0052] FIG. 1 is a schematic perspective view of a cutting blade according to this embodiment, and FIG. 2 is an exploded perspective view thereof. In these figures, the cutting knife 10 is configured to include: a knife case 12 having an inner space S extending in the front-rear direction; a guide member 13 housed in the knife case 12; 13 moves in the front-rear direction so as to be able to come in and out of the blade 14 from the front end of the knife housing 12; hold the blade 14 and be set to a slider 15 that can move along the guide member 13 together with the blade 14; Between the device 15 and the knife housing 12, the locking mechanism 17 that simultaneously restricts the forward and backward movement of the ...

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PUM

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Abstract

The invention provides a universal cutting-off knife capable of not maximizing size of thickness direction of a knife shell to structure a locking mechanism. The cutting-off knife (10) includes: the knife shell (12) with a slot (27) is provided on top wall (22) forming an upper end part; a knife blade (14) which is configured to emerge at front end of the knife shell (12); a sliding device (15) which is configured to hold the knife blade (14) and be able to move back and forth along a guide component (13) within the knife shell (12); and the locking mechanism (17) provided between the slidingdevice (15) and the knife shell (12). The locking mechanism (17) comprises: a notch part (37) formed on a sidewall surface (21) of the guide component (13), and a plate spring (83) which is installedon the sliding device (15) and meshed or disengaged opposite to the notch part (37). Face of the plate spring (83) is located in vertical plane, and free end side thereof can change position oppositeto departing or adjacent direction of the sidewall surface.

Description

technical field [0001] The present invention relates to a cutting blade. More specifically, the present invention relates to a cutting blade capable of suppressing a dimension in the thickness direction even if it is configured to move a blade back and forth along an upper end portion of a blade housing. Background technique [0002] A well-known cutting knife is composed of: a substantially C-shaped knife case extending in the front-rear direction; a slider provided to be movable in the front-back direction in the knife case; blade. A locking mechanism is installed between the slider and the blade, by means of the locking mechanism, the blade can protrude from the top of the knife case in stages, and on the other hand, the blade can also be kept in a certain position. [0003] With this type of cutting knife, the above-mentioned slider is located on the side of the knife case, and when used by a right-handed person, it can be easily operated with the right thumb, but it is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26B1/08B26B1/10
Inventor 篠原胜
Owner KOKUYO CO LTD