JP4171682B2

JP4171682B2 - cutter knife

Info

Publication number: JP4171682B2
Application number: JP2003303504A
Authority: JP
Inventors: 丹杉山; 克己長谷川; 憲一伊藤
Original assignee: Kaijirushi Hamono Center KK
Current assignee: Kaijirushi Hamono Center KK
Priority date: 2003-08-27
Filing date: 2003-08-27
Publication date: 2008-10-22
Anticipated expiration: 2023-08-27
Also published as: JP2005066207A

Description

本発明はカッターナイフに関するものである。 The present invention relates to a cutter knife .

下記特許文献１及び特許文献２では、刃体を取り付けたホルダに替刃ケースを設けたカッターナイフが開示されている。
下記特許文献３及び特許文献４では、挿脱口部から替刃を挿脱して替刃を収容し得る収容室を設けたケース本体を備えたカッターナイフ用替刃ケースが開示されている。 In the following Patent Document 1 and Patent Document 2, a cutter knife having a replaceable blade case provided on a holder to which a blade body is attached is disclosed.
The following Patent Document 3 and Patent Document 4 disclose a cutter blade replacement blade case provided with a case main body provided with a storage chamber in which a replacement blade can be stored by inserting and removing the replacement blade from the insertion / removal port.

下記特許文献５及び特許文献６では、ホルダに対するスライダの移動操作に伴いホルダの刃体出没口部に対する刃体の位置を変更し得るカッターナイフが開示されている。
実公昭５６−２１１８３号公報実公平３−３９１７９号公報実登２５１９１３５号公報実登２５３１８６９号公報特公昭５７−４０７９６号公報特開２００１−２７６４４５号公報 Patent Document 5 and Patent Document 6 below disclose a cutter knife that can change the position of the blade body with respect to the blade protrusion / disengagement portion of the holder in accordance with the movement operation of the slider with respect to the holder.
Japanese Utility Model Publication No. 56-21183 Japanese Utility Model Publication 3-39179 Noto 2519135 gazette Noto 2531869 publication Japanese Patent Publication No.57-40796 JP 2001-276445 A

しかし、上記特許文献１及び特許文献２にかかるカッターナイフでは、替刃ケース内の替刃の有無を替刃ケースの外側から確認することができない。従って、替刃ケースをわざわざ開いて替刃の有無を確認する必要があり、カッターナイフの使い勝手が悪くなっていた。 However, with the cutter knives according to Patent Document 1 and Patent Document 2, the presence or absence of a replaceable blade in the replaceable blade case cannot be confirmed from the outside of the replaceable blade case. Therefore, it is necessary to open the replaceable blade case to check the presence or absence of the replaceable blade, and the usability of the cutter knife has deteriorated.

また、上記特許文献３及び特許文献４にかかるカッターナイフ用替刃ケースでは、替刃を挿脱口部を通して収容室内に収容した際に替刃の先端縁が当接して収容室の内面から刃先縁の尖端部を離間させるストッパ部を設けてはいるが、替刃を収容室内に収容した際に替刃の先端縁がストッパ部に当接し得る替刃の刃先縁の向きは、一つに制限されている。従って、替刃を収容室内に収容する際に替刃の刃先縁の向きに注意する必要があり、替刃ケースの使い勝手が悪くなっていた。 Further, in the replaceable blade case for a cutter knife according to Patent Document 3 and Patent Document 4, when the replaceable blade is accommodated in the accommodating chamber through the insertion / removal port, the tip edge of the replaceable blade comes into contact with the blade edge from the inner surface of the accommodating chamber. Although the stopper part that separates the tip of the blade is provided, when the replacement blade is accommodated in the storage chamber, the tip edge of the replacement blade that can come into contact with the stopper portion is limited to one. Has been. Therefore, it is necessary to pay attention to the direction of the edge of the replaceable blade when accommodating the replaceable blade in the accommodating chamber, and the usability of the replaceable blade case has deteriorated.

また、上記特許文献５及び特許文献６にかかるカッターナイフのスライダでは、刃体を取り付けた状態でホルダに対し移動可能に支持したスライダ本体と、このスライダ本体に取り付けた係止体と、この係止体をスライダ本体との間で支持するようにスライダ本体に支持した操作体とを設けている。この係止体はホルダに対するスライダの移動操作に伴いホルダに対し係脱可能になっている。前記スライダ本体に対し操作体を支持する支持手段においては複数の係止脚よりスライダ本体に対し同一方向で係脱される係止部を備えているが、その係止部では各係止脚を同一方向へほぼ同時に挿入して組み付ける必要があり、操作体をスライダ本体に対し組み付けにくい。従って、使用時等に不用意に分解されたスライダを組み付ける際にスライダの組付けが行いにくくなり、カッターナイフの使い勝手が悪くなっていた。 Further, in the slider of the cutter knife according to Patent Document 5 and Patent Document 6, the slider body supported so as to be movable with respect to the holder with the blade body attached, the locking body attached to the slider body, and the engagement An operating body supported by the slider body is provided so as to support the stationary body with the slider body. This locking body can be engaged and disengaged with respect to the holder in accordance with the movement operation of the slider with respect to the holder. The support means for supporting the operating body with respect to the slider body includes a locking portion that is engaged and disengaged with respect to the slider body from a plurality of locking legs in the same direction. It is necessary to insert and assemble almost simultaneously in the same direction, and it is difficult to assemble the operating body to the slider body. Therefore, when assembling a slider that has been inadvertently disassembled during use or the like, it becomes difficult to assemble the slider, and the usability of the cutter knife has deteriorated.

この発明は、カッターナイフの使い勝手を良くすることを目的としている。 An object of the present invention is to improve the usability of a cutter knife .

後記実施形態（図１〜６に示す第１実施形態、図７に示す第１実施形態の別例、図８〜９に示す第２実施形態）のうち第１実施形態及びその別例の図面の符号を援用して本発明を説明する。
請求項１の発明（第１実施形態に対応）にかかるカッターナイフ（１）は下記のように構成されている。 Drawing of 1st Embodiment and its example among postscript embodiments (1st Embodiment shown in FIGS. 1-6, another example of 1st Embodiment shown in FIG. 7, 2nd Embodiment shown in FIGS. 8-9) The present invention will be described with reference to the following symbols.
The cutter knife (1) according to the invention of claim 1 (corresponding to the first embodiment ) is configured as follows.

刃体（４）を取り付けたホルダ（２）に替刃ケース（１３）を設けている。このホルダ（２）の替刃ケース（１３）内には替刃（１７）を収容し得る収容室（１６）を設けている。この替刃ケース（１３）の収容室（１６）は替刃（１７）を挿脱し得る挿脱口部（１８）を有している。この替刃（１７）は摘み（２１）に対し着脱可能に取り付けられた状態でこの挿脱口部（１８）を通して収容室（１６）内に収容される。この収容室（１６）内と替刃ケース（１３）の外側とを連通する貫通孔（２０）であって収容室（１６）内の替刃（１７）をこの貫通孔（２０）を通して視認可能である視認窓をホルダ（２）に対し前記挿脱口部（１８）以外に設けてこの収容室（１６）内の替刃（１７）の有無を替刃ケース（１３）の外側からこの視認窓（２０）により判別することができる。 A replaceable blade case (13) is provided on the holder (2) to which the blade body (4) is attached. In the replaceable blade case (13) of the holder (2), a storage chamber (16) capable of storing the replaceable blade (17) is provided . The storage chamber (16) of the replaceable blade case (13) has an insertion / removal port portion (18) through which the replaceable blade (17) can be inserted and removed. The replaceable blade (17) is housed in the housing chamber (16) through the insertion / removal port (18) in a state of being detachably attached to the knob (21). It is a through-hole (20) which connects the inside of this storage chamber (16) and the outer side of a replaceable blade case (13), Comprising: The replaceable blade (17) in a storage chamber (16) can be visually recognized through this through-hole (20). the viewing window is provided in addition to the holder the insertion slot portion to (2) (18) the viewing window from the outside of whether a blade case blade (17) in the receiving chamber (16) (13) it can be determined by (20).

前記摘み（２１）は替刃（１７）の収容時に収容室（１６）の挿脱口部（１８）に嵌め込まれた状態で前記視認窓（２０）を遮蔽するシャッター（２８）を有している。請求項２の発明のようにこのシャッター（２８）を透明または半透明にしてシャッター（２８）を閉めても収容室（１６）内の替刃（１７）を視認窓（２０）及びシャッター（２８）を通して視認可能にしたり、このシャッター（２８）を不透明にしてシャッター（２８）の閉状態で収容室（１６）内の替刃（１７）を視認不能にしたりしてもよい。
請求項１の発明では、視認窓（２０）により、収容室（１６）内の替刃（１７）の有無を確認し易くなる。また、このシャッター（２８）を閉じると、視認窓（２０）で収容室（１６）が替刃ケース（１７）の外側に対し遮蔽されるため、収容室（１６）に塵や水分などが入りにくくなる。また、この摘み（２１）により、収容室（１６）に対し替刃（１７）を挿脱し易くなるばかりではなく、摘み（２１）をシャッター（２８）としても兼用するため、摘み（２１）とは別部品のシャッターを採用する場合と比較して部品点数が減り、構造を簡単にすることができる。 The knob (21) has a shutter (28) that shields the viewing window (20) in a state of being fitted into the insertion / removal port (18) of the storage chamber (16) when the replaceable blade (17) is stored. . Claim the shutter (28) a transparent or semi-transparent to the shutter (28) or closing the receiving chamber (16) viewing the blade (17) within the window (20) as in the invention of 2 and the shutter (28 or viewable through) may be or the invisible this shutter (28) opaque to the accommodation chamber in the closed state of the shutter (28) (16) blade in the (17).
In invention of Claim 1, it becomes easy to confirm the presence or absence of the replacement blade (17) in a storage chamber (16) by a visual recognition window (20). Further, when the shutter (28) is closed, the storage chamber (16) is shielded from the outside of the replaceable blade case (17) by the viewing window (20), so that dust, moisture, etc. enter the storage chamber (16). It becomes difficult. The knob (21) not only facilitates insertion / removal of the replacement blade (17) with respect to the storage chamber (16), but also the knob (21) also serves as the shutter (28). Compared to the case where a separate shutter is used, the number of parts is reduced and the structure can be simplified.

請求項１の発明を前提とする請求項２の発明（第１実施形態に対応）において、前記シャッター（２８）は透明または半透明であって、前記収容室（１６）内の替刃（１７）は、このシャッター（２８）により視認窓（２０）を遮蔽した状態で、この視認窓（２０）及びシャッター（２８）を通して視認可能である。請求項２の発明では、シャッター（２８）を閉じても収容室（１６）内の替刃（１７）の有無を替刃ケース（１３）の外側から判別することができる。 In the invention of claim 2 (corresponding to the first embodiment ) premised on the invention of claim 1, the shutter (28) is transparent or translucent, and the replacement blade (17 in the storage chamber (16)). ) is in a state of shielding the viewing window (20) by the shutter (28) is visible through the viewing window (20) and the shutter (28). In the invention of claim 2, even if the shutter (28) is closed, the presence / absence of the replaceable blade (17) in the storage chamber (16) can be determined from the outside of the replaceable blade case (13).

請求項３の発明（第１実施形態に対応）にかかるカッターナイフ（１）は下記のように構成されている。 The cutter knife (1) according to the invention of claim 3 (corresponding to the first embodiment ) is configured as follows.

刃体（４）を取り付けたホルダ（２）に替刃ケース（１３）を設けている。このホルダ（２）の替刃ケース（１３）内には替刃（１７）を収容し得る収容室（１６）を設けている。この替刃ケース（１３）の収容室（１６）は替刃（１７）を挿脱し得る挿脱口部（１８）を有している。この替刃（１７）はこの挿脱口部（１８）を通して収容室（１６）内に収容される。この収容室（１６）内と替刃ケース（１３）の外側とを連通する貫通孔（２０）であって収容室（１６）内の替刃（１７）をこの貫通孔（２０）を通して視認可能である視認窓をホルダ（２）に対し前記挿脱口部（１８）以外に設けてこの収容室（１６）内の替刃（１７）の有無を替刃ケース（１３）の外側から判別することができる。この挿脱口部（１８）を閉塞し得るキャップ（１２）をホルダ（２）に設けている。この挿脱口部（１８）を閉塞するキャップ（１２）の閉塞状態で替刃ケース（１３）の外側から前記視認窓（２０）に面して視認窓（２０）の一部を隠す隠蔽部（３０）をこのキャップ（１２）に設けている。この挿脱口部（１８）を開放するキャップ（１２）の開放状態でこの視認窓（２０）からキャップ（１２）の隠蔽部（３０）を離して視認窓（２０）の全体で収容室（１６）内の替刃（１７）を視認可能にしている。
請求項３の発明では、視認窓（２０）により、収容室（１６）内の替刃（１７）の有無を確認し易くなる。また、キャップ（１２）を閉塞した際には視認可能な範囲で視認窓（２０）を隠蔽部（３０）により隠すが、キャップ（１２）を開放した際には視認窓（２０）の全体で収容室（１６）内の替刃（１７）を視認可能にして収容室（１６）内の替刃（１７）の有無を確認し易くなる。なお、キャップ（１２）の閉塞状態で視認窓（２０）の全部を隠す隠蔽部（３０）をキャップ（１２）に設けてもよいが、その場合にはキャップ（１２）の開放状態または開放途中状態でのみ替刃（１７）が視認可能になる。 A replaceable blade case (13) is provided on the holder (2) to which the blade body (4) is attached. In the replaceable blade case (13) of the holder (2), a storage chamber (16) capable of storing the replaceable blade (17) is provided . The storage chamber (16) of the replaceable blade case (13) has an insertion / removal port portion (18) through which the replaceable blade (17) can be inserted and removed. The replaceable blade (17) is accommodated in the accommodating chamber (16) through the insertion / removal port (18). It is a through-hole (20) which connects the inside of this storage chamber (16) and the outer side of a replaceable blade case (13), Comprising: The replaceable blade (17) in a storage chamber (16) can be visually recognized through this through-hole (20). A visual recognition window is provided on the holder (2) other than the insertion / removal port (18), and the presence / absence of the replacement blade (17) in the storage chamber (16) is determined from the outside of the replacement blade case (13). Can do . Cap may plug insertion slot portion of this (18) and (12) are provided on the holder (2). A concealing part that conceals a part of the viewing window (20) facing the viewing window (20) from the outside of the replaceable blade case (13) in a closed state of the cap (12) that closes the insertion / removal opening (18). 30) is provided on the cap (12). In the open state of the cap (12) that opens the insertion / removal port (18), the concealing part (30) of the cap (12) is separated from the viewing window (20), and the entire accommodation window (16) of the viewing window (20) is removed. The replaceable blade (17) in the parenthesis is visible.
In invention of Claim 3 , it becomes easy to confirm the presence or absence of the replaceable blade (17) in a storage chamber (16) by a visual recognition window (20). Further, when the cap (12) is closed, the viewing window (20) is hidden by the concealing portion (30) within a visible range, but when the cap (12) is opened, the entire viewing window (20) is hidden. The replacement blade (17) in the storage chamber (16) is made visible so that the presence or absence of the replacement blade (17) in the storage chamber (16) can be easily confirmed. The cap (12) may be provided with a concealing portion (30) that hides the entire viewing window (20) in the closed state of the cap (12). In this case, the cap (12) is opened or in the middle of opening. The replaceable blade (17) becomes visible only in the state.

請求項３の発明を前提とする請求項４の発明（第１実施形態に対応）において、前記キャップ（１２）の隠蔽部は替刃ケース（１３）の外面に沿って延設されたクリップアーム（３０）である。請求項４の発明では、既存のクリップアーム（３０）を隠蔽部に兼用して構造を簡単にすることができる。この場合、クリップアーム（３０）の先端部（突起３１）を視認窓（貫通孔２０）に接触させたり視認窓（２０）の内側に入り込ませたりして視認窓（２０）に面して配設すると、替刃ケース（１３）の外面とクリップアーム（３０）との間で挟持された被挟持体がクリップアーム（３０）の先端部（３１）により押されて視認窓（２０）の内側に入り込んで屈曲するので、被挟持体をクリップアーム（３０）により確実に保持することができる。 In the invention of claim 4 (corresponding to the first embodiment ) based on the invention of claim 3 , the concealing portion of the cap (12) extends along the outer surface of the replaceable blade case (13). (30). In the invention of claim 4 , the structure can be simplified by using the existing clip arm (30) as the concealing portion. In this case, the tip (projection 31) of the clip arm (30) is placed in contact with the viewing window (through hole 20) or inside the viewing window (20) so as to face the viewing window (20). Then, the clamped body clamped between the outer surface of the replaceable blade case (13) and the clip arm (30) is pushed by the tip end portion (31) of the clip arm (30) to be inside the viewing window (20). Since it penetrates and bends, a to-be-clamped body can be reliably hold | maintained by a clip arm (30).

請求項５の発明（第１実施形態に対応）は下記のように構成されている。 The invention of claim 5 (corresponding to the first embodiment) is configured as follows.

請求項１から請求項４のうちいずれか一つの請求項の発明に記載のカッターナイフ（１）は、刃体（４）を取り付けたスライダ（３）をホルダ（２）に対し刃体（４）とともに移動可能に支持し、ホルダ（２）に対するスライダ（３）の移動操作に伴い、刃体（４）が出没するホルダ（２）の出没口部（９）に対する刃体（４）の位置を変更し得るものである。前記替刃ケース（１３）の収容室（１６）は、スライダ（３）が移動操作可能に露出するホルダ（２）の表側に対し反対側になるホルダ（２）の裏側で、このスライダ（３）の移動方向（Ｘ）に沿って設けられている。この収容室（１６）の挿脱口部（１８）はスライダ（３）の移動方向（Ｘ）の両側のうちホルダ（２）の出没口部（９）に対し反対側になるホルダ（２）の尻部（１０）側に設けられている。前記視認窓（２０）は前記ホルダ（２）の裏側に設けられている。 Cutter knife (1) according to the invention of any one of claims one of claims 1 to 4, blade relative to the slider fitted with cutter blade (4) (3) the holder (2) (4 ) And the position of the blade body (4) with respect to the slot (9) of the holder (2) where the blade body (4) protrudes and retracts as the slider (3) moves with respect to the holder (2). Can be changed. The storage chamber (16) of the replaceable blade case (13) is on the back side of the holder (2) opposite to the front side of the holder (2) where the slider (3) is exposed so as to be movable. ) Along the moving direction (X). The insertion / removal port portion (18) of the storage chamber (16) is formed on the holder (2) on the opposite side to the entrance / exit port portion (9) of the holder (2) among both sides in the moving direction (X) of the slider (3). It is provided on the bottom (10) side. The viewing window (20) is provided on the back side of the holder (2).

請求項５の発明では、既存の刃体出没式カッターナイフ（１）において、替刃ケース（１３）及びその視認窓（２０）を簡単に設けることができ、請求項１から請求項４のうちいずれか一つの請求項の発明の効果を発揮させることができる。 In the invention of claim 5, in the existing blade retractable cutter knife (1), can easily provide a blade case (13) and its viewing window (20), one of claims 1 to 4 The effect of the invention of any one claim can be exhibited.

請求項６の発明（第１実施形態に対応）は請求項５の発明を前提として下記のように構成されている。
前記スライダ（３）にあっては、刃体（４）を取り付けた状態でホルダ（２）に対し移動可能に支持したスライダ本体（３２）と、このスライダ本体（３２）に取り付けた係止体（３３）と、この係止体（３３）をスライダ本体（３２）との間で支持するようにスライダ本体（３２）に支持した操作体（３４）とを設け、この操作体（３４）をスライダ本体（３２）に支持して組み付ける支持手段は、スライダ本体（３２）と操作体（３４）とのうち一方に設けた軸部（３７）と他方に設けた孔部（３８）とを互いに挿嵌した軸支部（３９）と、この軸支部（３９）に対し操作体（３４）を傾動させてスライダ本体（３２）に係止する係止部（４２）とを備えている。 The invention of claim 6 (corresponding to the first embodiment) is configured as follows based on the invention of claim 5 .
In the slider (3), a slider body (32) supported so as to be movable with respect to the holder (2) with the blade body (4) attached, and a locking body attached to the slider body (32). (33) and an operating body (34) supported by the slider body (32) so as to support the locking body (33) between the slider body (32) and the operating body (34). The support means for supporting and assembling the slider body (32) includes a shaft portion (37) provided on one of the slider body (32) and the operating body (34) and a hole portion (38) provided on the other. and fitted with a shaft support (39), that have a locking portion for locking (42) to the shaft with respect to supporting portion (39) is tilted operating body (34) and slider body (32).

前記支持手段の軸支部（３９）ではその組み付け時に孔部（３８）が軸部（３７）に対し軸線方向（３７ａ）へ移動して係脱され、前記支持手段の係止部（４２）ではその組み付け時にこの軸支部（３９）における係脱方向（３７ａ）に対し直交する方向（Ｚ）で操作体（３４）がスライダ本体（３２）に対し係脱される。このスライダ本体（３２）に対する操作体（３４）の移動に伴い、この係止体（３３）をホルダ（２）に対し離脱させてスライダ（３）をホルダ（２）に対し移動操作させることができるロック解除状態になるとともに、この係止体（３３）をホルダ（２）に対し係止させてロック状態になる。
請求項６の発明では、操作体（３４）がスライダ本体（３２）に対し組み付け易くなるとともに、操作体（３４）がスライダ本体（３２）に対し分離しにくくなる。
請求項７の発明（第１実施形態の別例に対応）は請求項１から請求項６のうちいずれか一つの請求項の発明を前提として下記のように構成されている。
この替刃ケース（１３）は、挿脱口部（１８）から替刃（１７）を挿脱して替刃（１７）を収容し得る収容室（１６）を設けたケース本体（１１）と、この挿脱口部（１８）を開閉するキャップ（１２）とを備えている。前記替刃（１７）にあっては、刃先縁（２２）と、その刃先縁（２２）の対辺である背縁（２３）と、この刃先縁（２２）の尖端部（２２ａ）とこの背縁（２３）の先端部（２３ａ）との間で刃先縁（２２）の延設方向に対し傾斜する先端縁（２４）とを備えている。前記収容室（１６）には、替刃（１７）の刃先縁（２２）の向きを変更した状態で替刃（１７）を挿脱口部（１８）を通して収容室（１６）内に収容した際に替刃（１７）の先端縁（２４）が当接して収容室（１６）の内面から刃先縁（２２）の尖端部（２２ａ）を離間させるストッパ部（５４，５５）を設けている。このストッパ部（５４，５５）において替刃（１７）の先端縁（２４）が当接する部分については、請求項８の発明のような複数の傾斜面（５４ａ，５５ａ）に限らず、そのような傾斜面（５４ａ，５５ａ）を含む単なる複数の当接部でよく、その複数の当接部により、替刃（１７）の刃先縁（２２）の向きを変更した際にも替刃（１７）の先端縁（２４）を支えることができる。
請求項７の発明を前提とする請求項８の発明（第１実施形態の別例に対応）において、前記ストッパ部（５４，５５）は、替刃（１７）の刃先縁（２２）の向きを変更して替刃（１７）を収容室（１６）内に収容した状態で替刃（１７）の先端縁（２４）の傾斜に沿って当接するように、互いに傾斜方向の異なる複数の傾斜面（５４ａ，５５ａ）を有している。例えば、複数のストッパ部（５４，５５）ごとに互いに傾斜方向の異なる傾斜面（５４ａ，５５ａ）を設けたり、一つのストッパ部に互いに傾斜方向の異なる傾斜面を設ける。
請求項７〜８の発明では、替刃（１７）が収容室（１６）内に収容された状態で、損傷しにくい先端縁（２４）がストッパ部（５４，５５）に当接して損傷し易い刃先縁（２２）の尖端部（２２ａ）は収容室（１６）の内面から離間するので、その尖端部（２２ａ）を保護することができるばかりではなく、替刃（１７）の刃先縁（２２）の向きに注意を払うことなく替刃（１７）を収容室（１６）内に収容することができる。 In the shaft support portion (39) of the support means , the hole portion (38) moves in the axial direction (37a) with respect to the shaft portion (37) and is engaged and disengaged with the shaft support portion (39). At the time of assembly , the operating body (34) is engaged / disengaged with respect to the slider body (32) in a direction (Z) orthogonal to the engagement / disengagement direction (37a) of the shaft support (39). As the operating body (34) moves relative to the slider body (32), the locking body (33) is detached from the holder (2), and the slider (3) is moved relative to the holder (2). In addition to being able to be unlocked, the locking body (33) is locked to the holder (2) to be locked.
In the invention of claim 6 , the operating body (34) is easily assembled to the slider body (32), and the operating body (34) is difficult to separate from the slider body (32).
The invention of claim 7 (corresponding to another example of the first embodiment) is constructed as follows assuming invention of any one of claims one of claims 1 to 6.
The replaceable blade case (13) includes a case body (11) provided with a storage chamber (16) in which the replaceable blade (17) can be accommodated by inserting and removing the replaceable blade (17) from the insertion / removal port (18). And a cap (12) for opening and closing the insertion / removal port (18). In the replacement blade (17), the blade edge (22), the back edge (23) which is the opposite side of the blade edge (22), the pointed portion (22a) of the blade edge (22) and the back edge (22). A tip edge (24) inclined with respect to the extending direction of the blade edge (22) is provided between the edge (23) and the tip (23a). When the replacement blade (17) is stored in the storage chamber (16) through the insertion / removal port (18) in the storage chamber (16) with the direction of the blade edge (22) of the replacement blade (17) changed. In addition, a stopper portion (54, 55) is provided that abuts the tip edge (24) of the replaceable blade (17) and separates the pointed portion (22a) of the blade edge (22) from the inner surface of the storage chamber (16). The portion of the stopper portion (54, 55) with which the tip edge (24) of the replaceable blade (17) abuts is not limited to the plurality of inclined surfaces (54a, 55a) as in the invention of claim 8 , but A simple plurality of contact portions including the inclined surfaces (54a, 55a) may be used, and even when the direction of the blade edge (22) of the replacement blade (17) is changed by the plurality of contact portions, the replacement blade (17 ) Can be supported.
In the invention of claim 8 based on the invention of claim 7 (corresponding to another example of the first embodiment) , the stopper portion (54, 55) is the direction of the cutting edge (22) of the replaceable blade (17). In the state where the replaceable blade (17) is accommodated in the accommodating chamber (16) by changing the angle, a plurality of inclinations having different inclination directions are brought into contact with each other along the inclination of the tip edge (24) of the replaceable blade (17). It has surfaces (54a, 55a). For example, inclined surfaces (54a, 55a) having different inclination directions are provided for each of the plurality of stopper portions (54, 55), or inclined surfaces having different inclination directions are provided on one stopper portion.
According to the seventh to eighth aspects of the present invention, in the state where the replaceable blade (17) is housed in the housing chamber (16), the tip edge (24) which is hard to be damaged comes into contact with the stopper portion (54, 55) and is damaged. Since the pointed portion (22a) of the easy cutting edge (22) is separated from the inner surface of the storage chamber (16), not only can the pointed portion (22a) be protected, but also the blade edge ( The replaceable blade (17) can be accommodated in the accommodating chamber (16) without paying attention to the direction of 22).

本発明は、カッターナイフ（１）の使い勝手を良くすることができる。 The present invention, it is possible to improve the usability of the cutter knife (1).

〔第１実施形態〕
まず、本発明の第１実施形態にかかる替刃ケース付きカッターナイフについて図１〜６を参照して説明する。 [First Embodiment]
First, a cutter knife with a replaceable blade case according to a first embodiment of the present invention will be described with reference to FIGS.

図１（ａ）（ｂ）、図２（ａ）（ｂ）及び図３（ａ）（ｂ）に示すように、このカッターナイフ１は、大別して、ホルダ２とスライダ３と刃体４とを備えている。
前記ホルダ２は、金属からなる案内柄部５と、この案内柄部５の外側に取着された把持柄部６とからなる。この案内柄部５の表側にスライド溝７が延設されている。このスライド溝７の延設方向である前後方向Ｘに対し直交する上下方向Ｙの両側でスライド溝７の上下両縁部にそれぞれ係止凹部８が前後方向Ｘへ互いに等間隔で並設されている。このスライド溝７は、前後方向Ｘの両側のうち、前側端部の出没口部９と後側端部の尻部１０とで開放されている。前記把持柄部６は、前記案内柄部５の裏側及び上下両側でその出没口部９付近からその尻部１０付近まで延びる柄部本体１１と、前記案内柄部５の尻部１０側に対し着脱可能に嵌め込まれてこの柄部本体１１に隣接して連結されたクリップキャップ１２とからなる。この把持柄部６においては、柄部本体１１の前側で軟質樹脂からなる指当部１１ａが一体成形され、この柄部本体１１で指当部１１ａ以外の部分とクリップキャップ１２とは硬質樹脂からなる。 As shown in FIGS. 1A, 1B, 2A, 2B and 3A, 3B, the cutter knife 1 is roughly divided into a holder 2, a slider 3, a blade body 4, It has.
The holder 2 includes a guide handle portion 5 made of metal and a grip handle portion 6 attached to the outside of the guide handle portion 5. A slide groove 7 is extended on the front side of the guide handle portion 5. Locking recesses 8 are arranged in parallel at equal intervals in the front-rear direction X on both upper and lower edges of the slide groove 7 on both sides in the vertical direction Y orthogonal to the front-rear direction X, which is the extending direction of the slide groove 7. Yes. The slide groove 7 is opened at both the front and rear direction X at both the front and rear opening 9 and the rear end butt 10. The grip handle portion 6 has a handle portion main body 11 extending from the vicinity of the entrance / exit portion 9 to the vicinity of the buttocks portion 10 on the back side and upper and lower sides of the guide handle portion 5, and the buttocks portion 10 side of the guide handle portion 5. The clip cap 12 is detachably fitted and connected adjacent to the handle body 11. In the grip handle portion 6, a finger rest portion 11a made of a soft resin is integrally formed on the front side of the handle portion main body 11, and the portion other than the finger rest portion 11a and the clip cap 12 in the handle portion main body 11 are made of hard resin. Become.

前記柄部本体１１の裏側には替刃ケース１３が形成されている。この替刃ケース１３には前記案内柄部５の裏壁部５ａとこの裏壁部５ａに面する柄部本体１１の裏壁部１４と柄部本体１１の上下両側壁部１５とで囲まれる収容室１６が形成されている。この収容室１６は、替刃１７を挿脱し得る挿脱口部１８と、この挿脱口部１８に対し前後方向Ｘで反対側になる底面部１９（内面）とを有している。特に、前記替刃ケース１３において柄部本体１１の裏壁部１４には挿脱口部１８の付近で視認窓としての貫通孔２０が形成されている。この貫通孔２０は替刃ケース１３の外側と収容室１６内とを連通する。 A replaceable blade case 13 is formed on the back side of the handle body 11. The replaceable blade case 13 is surrounded by the back wall portion 5a of the guide handle portion 5, the back wall portion 14 of the handle portion main body 11 facing the back wall portion 5a, and the upper and lower side walls 15 of the handle portion main body 11. A storage chamber 16 is formed. The storage chamber 16 has an insertion / removal opening 18 through which the replaceable blade 17 can be inserted / removed, and a bottom surface 19 (inner surface) that is opposite to the insertion / removal opening 18 in the front-rear direction X. In particular, in the replaceable blade case 13, a through hole 20 is formed in the back wall portion 14 of the handle body 11 near the insertion / removal port portion 18 as a visual recognition window. The through hole 20 communicates the outside of the replaceable blade case 13 and the inside of the storage chamber 16.

図４（ａ）（ｂ）（ｃ）（ｄ）及び図５（ａ）に示すように、前記替刃１７は、摘み２１に対し着脱可能に取り付けられた状態で、挿脱口部１８を通して収容室１６内に収容される。この替刃１７にあっては、刃先縁２２と、その刃先縁２２の対辺である背縁２３と、この刃先縁２２の尖端部２２ａとこの背縁２３の先端部２３ａとの間で刃先縁２２の延設方向に対し傾斜する先端縁２４と、この先端縁２４と平行な基端縁２５とを備え、この基端縁２５の付近で支持孔２６が形成されている。この摘み２１は、透明または半透明の合成樹脂からなり、把持頭部２７と、支持突起２８ａを有する載置部２８とからなる。この替刃１７の支持孔２６にこの載置部２８の支持突起２８ａが挿入された状態で、一枚以上の替刃１７が載置部２８に載置される。この摘み２１は替刃１７の収容時に収容室１６の挿脱口部１８に嵌め込まれた状態で前記貫通孔２０をシャッターとして遮蔽し、収容室１６内の替刃１７はこの貫通孔２０及び摘み２１を通して視認可能である。また、この摘み２１は、替刃１７を収容室１６内に収容した際に替刃１７の刃先縁２２の尖端部２２ａを収容室１６の底面部１９から離間させるためのストッパとしても機能するが、この摘み２１を省略して替刃１７のみを収容室１６に収容してもよい。 As shown in FIGS. 4 (a), (b), (c), (d) and FIG. 5 (a), the replaceable blade 17 is accommodated through the insertion / removal port 18 while being detachably attached to the knob 21. It is accommodated in the chamber 16. In the replacement blade 17, the blade edge between the blade edge 22, the back edge 23 that is the opposite side of the blade edge 22, and the tip 22 a of the blade edge 22 and the tip 23 a of the back edge 23. A distal end edge 24 that is inclined with respect to the extending direction of 22 and a proximal end edge 25 that is parallel to the distal end edge 24, and a support hole 26 is formed in the vicinity of the proximal end edge 25. The knob 21 is made of a transparent or translucent synthetic resin, and includes a gripping head 27 and a mounting portion 28 having a support protrusion 28a. One or more replaceable blades 17 are placed on the placement portion 28 in a state where the support protrusions 28 a of the placement portion 28 are inserted into the support holes 26 of the replaceable blade 17. The knob 21 shields the through-hole 20 as a shutter while being fitted into the insertion / removal port 18 of the storage chamber 16 when the replacement blade 17 is accommodated, and the replacement blade 17 in the storage chamber 16 has the through-hole 20 and the knob 21. Is visible through. The knob 21 also functions as a stopper for separating the pointed end portion 22 a of the blade edge 22 of the replaceable blade 17 from the bottom surface portion 19 of the storage chamber 16 when the replaceable blade 17 is stored in the storage chamber 16. The knob 21 may be omitted and only the replacement blade 17 may be accommodated in the accommodation chamber 16.

前記クリップキャップ１２は、蓋体２９と、この蓋体２９から延設されたクリップアーム３０（隠蔽部）とからなる。この蓋体２９には段差状の指掛部２９ａが形成されている。このクリップキャップ１２をホルダ２の案内柄部５に取り付けた状態では、蓋体２９が案内柄部５の尻部１０及び替刃ケース１３の挿脱口部１８を閉塞するとともに、クリップアーム３０が替刃ケース１３の外側で柄部本体１１の裏壁部１４の外面に対し隙間３０ａをあけて沿うように案内柄部５の出没口部９へ向けて延びて貫通孔２０の一部を隠す。このクリップアーム３０の先端部に形成された突起３１は貫通孔２０の内側に入り込む。また、このクリップキャップ１２を前記ホルダ２の案内柄部５から取り外した状態で、クリップアーム３０が貫通孔２０から離れ、貫通孔２０の全体で収容室１６内の替刃１７はこの貫通孔２０及び摘み２１を通して視認可能である。なお、使用時にホルダ２の把持柄部６を握る際や、クリップキャップ１２をホルダ２の案内柄部５から取り外す際、蓋体２９の指掛部２９ａに指を当てがうことができる。 The clip cap 12 includes a lid 29 and a clip arm 30 (hiding part) extending from the lid 29. The lid 29 is formed with a stepped finger hook 29a. When the clip cap 12 is attached to the guide handle portion 5 of the holder 2, the lid 29 closes the bottom portion 10 of the guide handle portion 5 and the insertion / removal port 18 of the replaceable blade case 13, and the clip arm 30 is replaced. A part of the through hole 20 is concealed by extending toward the entrance / exit part 9 of the guide pattern part 5 so as to be along the outer surface of the back wall part 14 of the handle part main body 11 with a gap 30a therebetween. The protrusion 31 formed at the tip of the clip arm 30 enters the inside of the through hole 20. Further, in a state where the clip cap 12 is removed from the guide handle portion 5 of the holder 2, the clip arm 30 is separated from the through hole 20, and the replaceable blade 17 in the accommodation chamber 16 is entirely formed in the through hole 20. And visible through the knob 21. In addition, when gripping the grip handle portion 6 of the holder 2 during use or when removing the clip cap 12 from the guide handle portion 5 of the holder 2, a finger can be applied to the finger hook portion 29 a of the lid 29.

前記スライド溝７に対し前記スライダ３が前後方向Ｘへ移動可能に支持されている。このスライダ３にあっては、図５（ａ）（ｂ）（ｃ）に示すように、前記刃体４が着脱可能に取り付けられた状態でホルダ２に対し移動可能に支持されたスライダ本体３２と、このスライダ本体３２に取り付けられた係止体３３と、この係止体３３をスライダ本体３２との間で支持するようにスライダ本体３２に支持された操作体３４とを備えている。この係止体３３は、板ばね３５と、板ばね３５上に支持されたロッド３６とからなる。この操作体３４がスライダ本体３２に支持された状態では、スライダ本体３２に形成された軸部３７と操作体３４に形成された孔部３８とが軸支部３９（支持手段）として互いに挿嵌されているとともに、操作体３４に形成された両係止脚部４０とスライダ本体３２に形成された両引掛部４１とが係止部４２（支持手段）として互いに係止されている。この軸支部３９では孔部３８が軸部３７に対し軸線方向３７ａ（前後方向Ｘに沿う方向）へ移動して係脱され、この係止部４２ではこの軸支部３９における係脱方向（軸線方向３７ａ）に対し異なる方向（前後方向Ｘに対し直交する左右方向Ｚ）で操作体３４がスライダ本体３２に対し係脱される。この操作体３４をスライダ本体３２に組み付ける際には、図６（ａ）（ｂ）（ｃ）に示すように、まず、軸線方向３７ａに対し直交する方向へ可撓性を有する軸部３７を孔部３８に挿嵌して軸支部３９とした後、この軸支部３９に対し操作体３４を傾動させることにより、両係止脚部４０を両引掛部４１に係止して係止部４２とする。 The slider 3 is supported so as to be movable in the front-rear direction X with respect to the slide groove 7. In the slider 3, as shown in FIGS. 5A, 5B, and 5C, a slider main body 32 supported so as to be movable with respect to the holder 2 in a state where the blade body 4 is detachably attached. And a locking body 33 attached to the slider body 32, and an operating body 34 supported by the slider body 32 so as to support the locking body 33 between the slider body 32 and the slider body 32. The locking body 33 includes a leaf spring 35 and a rod 36 supported on the leaf spring 35. In a state where the operating body 34 is supported by the slider body 32, the shaft portion 37 formed in the slider body 32 and the hole portion 38 formed in the operating body 34 are inserted into each other as a shaft support portion 39 (support means). In addition, both locking leg portions 40 formed on the operating body 34 and both hooking portions 41 formed on the slider body 32 are locked to each other as a locking portion 42 (support means). In this shaft support portion 39, the hole portion 38 moves in the axial direction 37 a (direction along the front-rear direction X) with respect to the shaft portion 37 and is engaged / disengaged. In this locking portion 42, the engagement / disengagement direction (axial direction) in this shaft support portion 39. 37a), the operating body 34 is engaged with and disengaged from the slider main body 32 in a different direction (left-right direction Z orthogonal to the front-rear direction X). When assembling the operating body 34 to the slider body 32, as shown in FIGS. 6A, 6B and 6C, first, the shaft portion 37 having flexibility in the direction orthogonal to the axial direction 37a is provided. After inserting into the hole 38 to form the shaft support portion 39, the operating body 34 is tilted with respect to the shaft support portion 39, so that both the locking leg portions 40 are locked to the both hooking portions 41 and the locking portion 42. And

操作体３４を離すと、操作体３４による係止体３３の押圧が解除され、係止体３３のロッド３６が係止体３３の板ばね３５により付勢されてスライド溝７の係止凹部８に係入されるロック状態になる。操作体３４をスライダ本体３２に対し移動させると、操作体３４により係止体３３のロッド３６が係止体３３の板ばね３５の付勢力に抗して押圧されてスライド溝７の係止凹部８から離脱するロック解除状態になる。このロック解除状態でスライダ３をホルダ２に対し移動操作することができる。このようにして操作体３４をスライダ本体３２対し操作して係止体３３のロッド３６をホルダ２のスライド溝７の係止凹部８に対し係脱すると、ホルダ２の出没口部９に対する刃体４の位置を変更することができる。このスライダ３に連結された刃体４は、図１（ａ）に示すようにホルダ２のスライド溝７で出没口部９から突出した状態と、図１（ｂ）に示すようにこのスライド溝７内に出没口部９から没入した状態とを取り得る。 When the operating body 34 is released, the pressing of the locking body 33 by the operating body 34 is released, and the rod 36 of the locking body 33 is urged by the leaf spring 35 of the locking body 33, and the locking recess 8 of the slide groove 7. The lock is engaged. When the operating body 34 is moved relative to the slider body 32, the operating body 34 presses the rod 36 of the locking body 33 against the urging force of the leaf spring 35 of the locking body 33, and the locking recess of the slide groove 7. 8 is unlocked. In this unlocked state, the slider 3 can be moved with respect to the holder 2. When the operating body 34 is operated with respect to the slider body 32 in this way and the rod 36 of the locking body 33 is engaged with and disengaged from the locking recess 8 of the slide groove 7 of the holder 2, the blade body with respect to the entrance / exit portion 9 of the holder 2. The position of 4 can be changed. The blade body 4 connected to the slider 3 projects from the slot 9 as shown in FIG. 1 (a) by the slide groove 7 of the holder 2, and the slide groove as shown in FIG. 1 (b). 7 can be in a state of being immersed from the entrance / exit 9.

〔第２実施形態〕
次に、本発明の第２実施形態にかかるカッターナイフ用替刃ケースについて図８〜９を参照して説明する。 [Second Embodiment]
Next, a replaceable blade case for a cutter knife according to a second embodiment of the present invention will be described with reference to FIGS.

このカッターナイフ用替刃ケース４３は、挿脱口部４６から替刃４７を挿脱して収容し得る収容室４５を設けたケース本体４４と、この挿脱口部４６を開閉するキャップ４８とを備えている。この替刃４７にあっても、刃先縁４９と、その刃先縁４９の対辺である背縁５０と、この刃先縁４９の尖端部４９ａとこの背縁５０の先端部５０ａとの間で刃先縁４９の延設方向に対し傾斜する先端縁５１と、この先端縁５１と平行な基端縁５２とを備えている。前記収容室４５において挿脱口部４６に面する底面部５３（内面）には一対のストッパ部５４，５５が形成され、この両ストッパ部５４，５５には互いに傾斜方向の異なる複数の傾斜面５４ａ，５５ａが替刃４７の先端縁５１に対する当接部として形成されている。替刃４７の刃先縁４９の向きが互いに反対になるように変更した状態で替刃４７を挿脱口部４６を通して収容室４５内に収容した際に、替刃４７の先端縁５１が両ストッパ部５４，５５のうちいずれかのものに当接し、刃先縁４９の尖端部４９ａが収容室４５の底面部５３から離間する。その際、ストッパ部５４，５５の傾斜面５４ａ，５５ａは替刃４７の先端縁５１に沿う。 The cutter knife replacement blade case 43 includes a case main body 44 provided with a storage chamber 45 in which the replacement blade 47 can be inserted into and removed from the insertion / removal port 46 and a cap 48 for opening and closing the insertion / removal port 46. Yes. Even in the replacement blade 47, the blade edge between the blade edge 49, the back edge 50 that is the opposite side of the blade edge 49, and the tip 49 a of the blade edge 49 and the tip 50 a of the back edge 50. 49, a leading edge 51 that is inclined with respect to the extending direction of 49, and a proximal edge 52 that is parallel to the leading edge 51. In the storage chamber 45, a pair of stopper portions 54, 55 are formed on the bottom surface portion 53 (inner surface) facing the insertion / removal port 46, and the stopper portions 54, 55 have a plurality of inclined surfaces 54a having different inclination directions. , 55a are formed as contact portions with respect to the tip edge 51 of the replaceable blade 47. When the replaceable blade 47 is accommodated in the accommodating chamber 45 through the insertion / removal port 46 in a state where the directions of the blade edges 49 of the replaceable blade 47 are changed to be opposite to each other, the tip edge 51 of the replaceable blade 47 has both stopper portions. 54 and 55 are brought into contact with each other, and the pointed portion 49 a of the blade edge 49 is separated from the bottom surface portion 53 of the storage chamber 45. At that time, the inclined surfaces 54 a and 55 a of the stopper portions 54 and 55 are along the tip edge 51 of the replaceable blade 47.

〔第１実施形態の別例〕
図７に示す第１実施形態の別例において、カッターナイフ１の替刃ケース１３で収容室１６の底面部１９（内面）には、第２実施形態と同様な機能を果たす一対のストッパ部５４，５５が形成されている。このストッパ部５４，５５は、替刃１７を収容室１６内に収容した際に替刃１７の刃先縁２２の尖端部２２ａを収容室１６の底面部１９から離間させるストッパとして機能するため、同じストッパ機能を有する前記摘み２１を省略してもよい。 [Another example of the first embodiment]
In another example of the first embodiment shown in FIG. 7, a pair of stopper portions 54 that perform the same function as the second embodiment are provided on the bottom surface portion 19 (inner surface) of the storage chamber 16 in the replaceable blade case 13 of the cutter knife 1. , 55 are formed. The stopper portions 54 and 55 function as a stopper that separates the pointed end portion 22a of the blade edge 22 of the replacement blade 17 from the bottom surface portion 19 of the storage chamber 16 when the replacement blade 17 is stored in the storage chamber 16. The knob 21 having a stopper function may be omitted.

〔図示しないそのほかの別例〕
図２（ｂ）及び図５（ａ）において、前記摘み２１で載置部２８の支持突起２８ａを左右方向Ｚで逆向きにし、この載置部２８に複数の替刃１７を載置するとともに、この替刃１７と前記貫通孔２０との間に隙間を生じさせるようにする。この場合には、替刃１７を貫通孔２０から直接視認することができる。替刃１７の枚数が少なくなると、この隙間が広がるため、替刃１７の減少を知ることができる。 [Other examples not shown]
2 (b) and 5 (a), the support protrusion 28a of the mounting portion 28 is reversed in the left-right direction Z by the knob 21 and a plurality of replacement blades 17 are mounted on the mounting portion 28. A gap is generated between the replaceable blade 17 and the through hole 20. In this case, the replaceable blade 17 can be directly recognized from the through hole 20. When the number of the replaceable blades 17 is reduced, this gap is widened, so that the decrease of the replaceable blades 17 can be known.

また、前記収容室１６の挿脱口部１８に嵌め込まれた摘み２１をクリップキャップ１２の蓋体２９で隠すことなく露出させて替刃ケース１３の外側から操作可能にすれば、替刃１７を容易に取り出すことが可能になる。 Further, if the knob 21 fitted in the insertion / removal port 18 of the storage chamber 16 is exposed without being hidden by the lid 29 of the clip cap 12 and can be operated from the outside of the replaceable blade case 13, the replaceable blade 17 can be easily used. It becomes possible to take out.

（ａ）は第１実施形態にかかる替刃ケース付きカッターナイフにおいて刃体突出状態を示す平面図であり、（ｂ）は同じく刃体没入状態を示す平面図である。(A) is a top view which shows a blade body protruding state in the cutter knife with a spare blade case concerning 1st Embodiment, (b) is a top view which shows a blade body immersion state similarly. （ａ）は図１（ｂ）のカッターナイフの正面図であり、（ｂ）は図１（ｂ）のカッターナイフを正面側から見た断面図である。(A) is the front view of the cutter knife of FIG.1 (b), (b) is sectional drawing which looked at the cutter knife of FIG.1 (b) from the front side. （ａ）は図１（ｂ）のカッターナイフの底面図であり、（ｂ）は図１（ｂ）のカッターナイフを底面側から見た断面図である。(A) is the bottom view of the cutter knife of FIG.1 (b), (b) is sectional drawing which looked at the cutter knife of FIG.1 (b) from the bottom face side. （ａ）は図３（ａ）のカッターナイフのホルダにおいてクリップキャップを取り外した状態で替刃及び摘みを替刃ケースに収容した状態を示す部分底面図であり、（ｂ）は同じく替刃及び摘みを替刃ケースから取り出した状態を示す部分底面図であり、（ｃ）はこの替刃及び摘みを示す平面図であり、（ｄ）は（ｃ）の正面図である。(A) is the partial bottom view which shows the state which accommodated the replaceable blade and the knob in the replaceable blade case in the state which removed the clip cap in the holder of the cutter knife of FIG. 3 (a), (b) It is a partial bottom view which shows the state which took out the knob from the replaceable blade case, (c) is a top view which shows this replaceable blade and the knob, and (d) is a front view of (c). （ａ）は図２（ｂ）の拡大断面図であり、（ｂ）は（ａ）のスライダを示す組付け斜視図であり、（ｃ）は（ａ）のスライダを示す分解斜視図である。(A) is an enlarged sectional view of FIG. 2 (b), (b) is an assembled perspective view showing the slider of (a), and (c) is an exploded perspective view showing the slider of (a). . （ａ）（ｂ）（ｃ）は図５（ｃ）のスライダを組み付ける手順を示す断面図である。(A) (b) (c) is sectional drawing which shows the procedure of assembling the slider of FIG.5 (c). （ａ）（ｂ）は第１実施形態の別例において図３（ｂ）の部分拡大図である。(A) and (b) are the elements on larger scale of Drawing 3 (b) in another example of a 1st embodiment. （ａ）は第２実施形態にかかるカッターナイフ用替刃ケースにおいてキャップを開いた状態を示す底面図であり、（ｂ）は（ａ）の替刃ケースにおいてキャップを閉じた状態を正面側から見た断面図である。(A) is a bottom view which shows the state which opened the cap in the replaceable blade case for cutter knives concerning 2nd Embodiment, (b) is the state which closed the cap in the replaceable blade case of (a) from the front side. FIG. （ａ）（ｂ）は図８（ａ）の替刃ケースを底面側から見た断面図である。(A) (b) is sectional drawing which looked at the replaceable blade case of Fig.8 (a) from the bottom face side.

Explanation of symbols

１…カッターナイフ、２…ホルダ、３…スライダ、４…刃体、９…刃体出没口部、１０…尻部、１１…柄部本体、１２…クリップキャップ、１３…替刃ケース、１６…替刃収容室、１７…替刃、１８…替刃挿脱口部、２０…視認孔としての貫通孔、２１…摘み、２２…刃先縁、２２ａ…尖端部、２３…背縁、２３ａ…先端部、２４…先端縁、２８…摘みの載置部（シャッター）、３０…クリップアーム（隠蔽部）、３２…スライダ本体、３３…係止体、３４…操作体、３７…軸部、３７ａ…軸線方向（係脱方向）、３８…孔部、３９…軸支部、４２…係止部、４３…カッターナイフ用替刃ケース、４４…ケース本体、４５…替刃収容室、４６…替刃挿脱口部、４７…替刃、４８…キャップ、４９……刃先縁、４９ａ…尖端部、５０…背縁、５０ａ…先端部、５１…先端縁、５４，５５…ストッパ部、５４ａ，５５ａ…傾斜面、Ｘ…前後方向（スライダ移動方向）、Ｚ…左右方向。 DESCRIPTION OF SYMBOLS 1 ... Cutter knife, 2 ... Holder, 3 ... Slider, 4 ... Blade body, 9 ... Blade body entrance / exit part, 10 ... Butt part, 11 ... Handle part main body, 12 ... Clip cap, 13 ... Replacement blade case, 16 ... Spare blade accommodating chamber, 17 ... spare blade, 18 ... spare blade insertion / removal part, 20 ... through hole as a visual recognition hole, 21 ... pick , 22 ... blade edge, 22a ... pointed end, 23 ... back edge, 23a ... tip , 24 ... front end edge, 28 ... knob mounting portion (shutter), 30 ... clip arms (veils), 32 ... slider body, 33 ... engaging member, 34 ... operating body, 37 ... shank, 37a ... axis Direction (engagement / disengagement direction), 38 ... hole part, 39 ... shaft support part, 42 ... locking part, 43 ... replacement blade case for cutter knife, 44 ... case main body, 45 ... replacement blade storage chamber, 46 ... replacement blade insertion / removal port Part, 47 ... replacement blade, 48 ... cap, 49 ... blade edge, 49a ... pointed end, 50 ... back edge, 0a ... tip, 51 ... front end edge, 54, 55 ... stopper, 54a, 55a ... inclined surface, X ... front-rear direction (the slider moving direction), Z ... lateral direction.

Claims

In a cutter knife provided with a replaceable blade case in a holder to which a blade body is attached, a storage chamber capable of storing a replaceable blade is provided in the replaceable blade case of the holder, and the replaceable blade case is inserted into and removed from the storage chamber. This replacement blade is accommodated in the storage chamber through the insertion / removal port in a state where the replacement blade is detachably attached to the knob, and is a through hole that communicates the storage chamber and the outside of the replacement blade case. discriminated by the viewing window of the housing chamber of the blade there is provided a viewing window is visible through the through hole in addition to the insertion slot portion to the holder the presence or absence of this accommodating chamber of the blade from the outside of the blade case The cutter is characterized in that the knob has a shutter that shields the viewing window in a state of being fitted into the insertion / removal opening of the storage chamber when the replacement blade is stored .

2. The shutter according to claim 1, wherein the shutter is transparent or translucent, and the replacement blade in the accommodation chamber is visible through the viewing window and the shutter in a state where the viewing window is shielded by the shutter. Cutter knife.

In a cutter knife provided with a replaceable blade case in a holder to which a blade body is attached, a storage chamber capable of storing a replaceable blade is provided in the replaceable blade case of the holder, and the replaceable blade case is inserted into and removed from the storage chamber. The replacement blade is accommodated in the accommodation chamber through the insertion / removal portion, and is a through-hole that communicates between the accommodation chamber and the outside of the replacement blade case. A visual recognition window that can be visually confirmed through the holder is provided in addition to the insertion / removal port portion, and the presence / absence of the replacement blade in the accommodation chamber can be determined from the outside of the replacement blade case by the visual recognition window. A cap is provided on the holder, and a concealing portion is provided on the cap so as to face the viewing window from the outside of the replaceable blade case and hide the part of the viewing window in the closed state of the cap that closes the insertion / removal port. Of the cap that opens the spout Cutter knife, characterized in that the whole housing chamber of blade viewing windows from the viewing window in the release state releasing the veils of the cap was visible.

The cutter knife according to claim 3, wherein the concealing portion of the cap is a clip arm extending along the outer surface of the replaceable blade case.

The cutter knife according to any one of claims 1 to 4 supports a slider attached with a blade body so as to be movable together with the blade body with respect to the holder, and along with a moving operation of the slider with respect to the holder, The position of the blade body can be changed with respect to the entrance and exit portion of the holder in which the blade body appears and disappears, and the storage chamber of the replaceable blade case is a holder opposite to the front side of the holder where the slider is exposed to be movable. The insertion / removal port of the storage chamber is provided on the bottom side of the holder that is opposite to the holder opening / removal port on both sides of the slider movement direction. The cutter knife is provided on the back side of the holder.

In the slider, a slider body supported so as to be movable with respect to the holder with the blade body attached, a locking body attached to the slider body, and the locking body supported between the slider body. The operation body supported by the slider body is provided, and the support means for supporting and assembling the operation body on the slider body includes a shaft portion provided on one side of the slider body and the operation body, and a hole portion provided on the other side. And a locking portion that tilts the operating body with respect to the shaft supporting portion and locks it to the slider body. In the shaft supporting portion of the support means, the hole portion is relative to the shaft portion when assembled. In the locking portion of this support means, the operating body is engaged with and disengaged from the slider body in a direction perpendicular to the engaging and disengaging direction of the shaft support portion when the support means is assembled. With this movement, the locking body is released from the holder and the slider can be moved relative to the holder to be unlocked, and the locking body is locked to the holder to be locked. The cutter knife according to claim 5.

The replaceable blade case includes a case main body provided with a storage chamber capable of accommodating the replaceable blade by inserting and removing the replaceable blade from the insert / remove opening portion, and a cap for opening and closing the insert / remove opening portion. A cutting edge, a back edge that is opposite to the cutting edge, and a tip edge that is inclined with respect to the extending direction of the cutting edge between the pointed end of the cutting edge and the tip of the back edge, In the storage chamber, when the replacement blade is accommodated in the storage chamber through the insertion / removal port with the direction of the blade edge of the replacement blade changed, the tip edge of the replacement blade comes into contact with the tip of the blade edge from the inner surface of the storage chamber. The cutter knife according to any one of claims 1 to 6, further comprising a stopper portion for separating the two.

The stopper portion has a plurality of inclined surfaces having different inclination directions so as to abut along the inclination of the tip edge of the replacement blade in a state in which the direction of the blade edge of the replacement blade is changed and the replacement blade is accommodated in the storage chamber. The cutter knife according to claim 7, comprising: