JPH056950Y2 - - Google Patents

Description

【考案の詳細な説明】 考案の目的 ［産業上の利用分野］ この考案は刃体取付用スライダを移動操作する
ことにより刃体を柄から出没可能にしたカツター
ナイフにおいて、このスライダの移動を阻止する
ロツク装置に関するものである。[Detailed description of the invention] Purpose of the invention [Industrial application field] This invention is a cutter knife in which the blade can be retracted from the handle by moving the slider for attaching the blade, and this invention prevents the slider from moving. This relates to locking devices.

［従来の技術］ 従来、この種のカツターナイフとしては、例え
ば実公昭46−25520号公報に示すものがある。こ
のカツターナイフにおいては、柄に形成されたス
ライド溝に刃体取付用スライダが同スライド溝に
沿つて移動可能に支持され、このスライダには回
動可能なロツク部材が設けられているとともに、
このロツク部材にはスライダ溝の側縁に形成され
た複数の係合凹部に対し係脱するロツク突起が設
けられている。そして、スライダのロツク部材の
ロツク突起をスライド溝の係合凹部から外した状
態で、スライダをスライド溝に沿つて移動させ、
所望位置でスライダのロツク部材を離すと、ロツ
ク部材のロツク突起がスライド溝の係合凹部の一
つに係入されて、スライダの移動が阻止される。[Prior Art] Conventionally, as this type of cutter knife, there is one shown in, for example, Japanese Utility Model Publication No. 46-25520. In this cutter knife, a blade attachment slider is supported in a slide groove formed in the handle so as to be movable along the slide groove, and this slider is provided with a rotatable lock member, and
This lock member is provided with lock protrusions that engage and disengage from a plurality of engagement recesses formed on the side edges of the slider groove. Then, with the lock protrusion of the locking member of the slider removed from the engagement recess of the slide groove, the slider is moved along the slide groove,
When the locking member of the slider is released at a desired position, the locking protrusion of the locking member engages with one of the engagement recesses of the slide groove, thereby preventing movement of the slider.

［考案が解決しようとする課題］ ところが、所望位置でスライダのロツク部材を
離した場合、ロツク部材のロツク突起が係合凹部
に対応していないと、係合凹部を区画する凸部上
に当接して係合凹部に係入されないこともあつ
た。[Problem to be solved by the invention] However, when the locking member of the slider is released at a desired position, if the locking protrusion of the locking member does not correspond to the engagement recess, it may hit the protrusion that partitions the engagement recess. There were also cases where the contact was not engaged with the engagement recess.

従つて、使用者はロツク部材のロツク突起が係
合凹部に対応していることを確認してロツク部材
を離す必要があり、その確認が面倒であつた。 Therefore, the user has to confirm that the lock protrusion of the lock member corresponds to the engagement recess before releasing the lock member, which is troublesome.

また、ロツク部材の操作部がスライダの基台か
ら突出しているため、スライダがロツク状態にあ
つても、ロツク部材の操作部を不用意に押えてロ
ツク部材のロツク突起が係合凹部から外れるおそ
れもあり、使用者にとつて危険であつた。 Furthermore, since the operating section of the locking member protrudes from the base of the slider, even when the slider is in the locked state, there is a risk that the operating section of the locking member may be inadvertently pressed and the lock protrusion of the locking member may come off the engagement recess. This was dangerous for users.

本考案の目的はロツク突起を係合凹部に係入し
易くすることにある。 An object of the present invention is to facilitate the engagement of the lock protrusion into the engagement recess.

又、本考案の目的はロツク突起が係合凹部から
不用意に外れないようにすることにある。 Another object of the present invention is to prevent the lock protrusion from being accidentally removed from the engagement recess.

考案の構成 ［課題を解決するための手段］ 本考案はこの目的に鑑み、第一に、後記する第
１実施例の図面（第１図〜第７図）又は第２実施
例の図面（第８図〜第１５図）に示すように、柄
１に形成したスライド溝５に刃体取付用スライダ
７を同スライド溝５に沿つて移動可能に支持し、
このスライダ７を移動操作することにより刃体２
３をスライド溝５から出没可能にしたカツターナ
イフにおいて、前記スライダ７には前記スライド
溝５の側縁に形成した複数の係合凹部６に対し係
脱するロツク突起２１を有するロツク部材９を回
動可能に設けるとともに、前記スライド溝５の各
係合凹部６に対し係脱するばね１３を設け、前記
スライド溝５の各係合凹部６には、前記ばね１３
の係入部１３ａとロツク部材９のロツク突起２１
との間隔Ｌ１に等しい間隔Ｌ２の両係合凹部６を
有するようにしたものである。Structure of the invention [Means for solving the problem] In view of this purpose, the present invention firstly utilizes the drawings of the first embodiment (Figs. 1 to 7) or the drawings of the second embodiment (Fig. 7) to be described later. 8 to 15), a blade mounting slider 7 is supported in a slide groove 5 formed in the handle 1 so as to be movable along the slide groove 5.
By moving this slider 7, the blade 2
In this cutter knife, the slider 7 has a locking protrusion 21 that engages and disengages from a plurality of engagement recesses 6 formed on the side edge of the slide groove 5. A spring 13 is provided to engage and disengage from each engagement recess 6 of the slide groove 5, and each engagement recess 6 of the slide groove 5 has a spring 13.
The engaging portion 13a of the lock member 9 and the lock protrusion 21 of the lock member 9
Both engaging recesses 6 are provided at a distance L2 equal to the distance L1 between the two engaging recesses 6.

第二に、本考案は後記する第１実施例の図面に
示すように、柄１に形成したスライド溝５に刃体
取付用スライダ７を同スライド溝５に沿つて移動
可能に支持し、このスライダ７を移動操作するこ
とにより刃体２３をスライド溝５から出没可能に
したカツターナイフにおいて、前記スライダ７に
は回動可能なロツク部材９を設けるとともに、こ
のロツク部材９には前記スライド溝５の側縁に形
成した凸部６ａにより区画した複数の係合凹部６
に対し係脱するロツク突起２１を設け、前記ロツ
ク部材９のロツク突起２１の係入端部２１が係合
凹部６に係入されないで前記凸部６ａ上に当接し
た状態で相対向するロツク突起２１の係入端部２
１ａ及び凸部６ａのうち、少なくとも一方のもの
には、凸部６ａの両側に位置する両係合凹部６側
に向かうに従い他方のものから離れる方向へ向か
う一対の斜面２２ａ，２２ｂを設けたものであ
る。 Second, as shown in the drawings of the first embodiment described later, the present invention supports a blade mounting slider 7 in a slide groove 5 formed in the handle 1 so as to be movable along the slide groove 5. In a cutter knife in which the blade body 23 can be moved in and out of the slide groove 5 by moving the slider 7, the slider 7 is provided with a rotatable lock member 9, and the lock member 9 is provided with a rotatable lock member 9. A plurality of engagement recesses 6 defined by protrusions 6a formed on the side edges
A lock protrusion 21 that engages and disengages from the lock member 9 is provided, and the lock protrusion 21 of the lock member 9 faces the lock protrusion 21 in a state in which the engagement end 21 of the lock protrusion 21 is not engaged with the engagement recess 6 but abuts on the protrusion 6a. Engagement end 2 of protrusion 21
At least one of the protrusion 1a and the protrusion 6a is provided with a pair of slopes 22a and 22b that move away from the other as they move toward both engaging recesses 6 located on both sides of the protrusion 6a. It is.

第三に、本考案は後記する第１実施例の図面に
示すように、柄１に形成したスライド溝５の刃体
取付用スライダ７を同スライド溝５に沿つて移動
可能に支持し、このスライダ７を移動操作するこ
とにより刃体２３をスライド溝５から出没可能に
したカツターナイフにおいて、前記スライダ７に
は刃体２３を係着する基台８と、この基台８に対
し回動可能なロツク部材９とを設けるとともに、
このロツク部材９には前記スライド溝５の側縁に
形成した複数の係合凹部６に対し係脱するロツク
突起２１を設け、前記基台８には前記ロツク部材
９に形成した操作部９ｂを突出しないように収納
する凹所１５を設けたものである。 Thirdly, as shown in the drawings of the first embodiment described later, the present invention supports a blade attachment slider 7 in a slide groove 5 formed in the handle 1 so as to be movable along the slide groove 5. In the cutter knife in which the blade body 23 can be moved in and out of the slide groove 5 by moving the slider 7, the slider 7 has a base 8 on which the blade body 23 is attached, and a base 8 that is rotatable with respect to the base 8. In addition to providing a locking member 9,
This lock member 9 is provided with lock protrusions 21 that engage and disengage from a plurality of engagement recesses 6 formed on the side edges of the slide groove 5, and the base 8 is provided with an operating portion 9b formed on the lock member 9. A recess 15 is provided for storing the container so that it does not protrude.

［作用］ さて、このように構成されたカツターナイフを
使用する場合には、スライド７のロツク部材９を
押してロツク部材９のロツク突起２１をスライド
溝５の係合凹部６から外した状態で、スライダ７
をスライド溝５に沿つて移動させ、刃体２３がス
ライド溝５から所望寸法だけ突出したことろでス
ライダ７のロツク部材９を離す。[Function] When using the cutter knife configured as described above, press the lock member 9 of the slide 7 to disengage the lock protrusion 21 of the lock member 9 from the engagement recess 6 of the slide groove 5, and then press the slider. 7
is moved along the slide groove 5, and when the blade body 23 protrudes from the slide groove 5 by a desired dimension, the lock member 9 of the slider 7 is released.

この使用状態では、第１，２、４図又は第８，
９，１１図に示すように、スライダ７のばね１３
においてその係入部１３ａがスライド溝５の係合
凹部６の一つに係入されてスライダ７が位置決め
されるとともに、スライダのロツク部材９が回動
してロツク部材９のロツク突起２１がスライド溝
５の係合凹部６の一つに係入され、スライダ７の
移動が確実に阻止される。 In this state of use, Figures 1, 2, 4 or 8,
As shown in Figures 9 and 11, the spring 13 of the slider 7
At this time, the engaging portion 13a is engaged with one of the engaging recesses 6 of the slide groove 5 to position the slider 7, and the lock member 9 of the slider is rotated so that the lock protrusion 21 of the lock member 9 is inserted into the slide groove. 5, and the movement of the slider 7 is reliably prevented.

カツターナイフを使用しない時には、第２図又
は第９図に示す状態からスライダ７を前述した場
合と同様な操作で移動させ、第３図又は第１０図
に示すように刃体２３をスライド溝５内に没入さ
せる。 When the cutter knife is not used, move the slider 7 from the state shown in FIG. 2 or 9 in the same manner as described above, and move the blade 23 into the slide groove 5 as shown in FIG. 3 or 10. immerse yourself in it.

特に、スライド溝５の各係合凹部には、スライ
ダ７のばね１３の係入部１３ａとロツク部材９の
ロツク突起２１を有しているので、ばね１３の係
入部１３ａがいずれかの係合凹部６に係入された
時、ロツク部材９のロツク突起２１が特定の係合
凹部６に必ず係入される。 In particular, since each engagement recess of the slide groove 5 has the engagement part 13a of the spring 13 of the slider 7 and the lock protrusion 21 of the locking member 9, the engagement part 13a of the spring 13 is inserted into any of the engagement recesses. 6, the lock protrusion 21 of the lock member 9 is always engaged with the specific engagement recess 6.

又、スライダ７に前記ばね１３がなくロツク部
材９のみを有している場合には、第６図に示すよ
うに、ロツク部材９のロツク突起２１が係合凹部
６に確実に係入されないで、それを区画する凸部
６ａ上に当接することもある得るが、第７図ａに
示すようにロツク突起２１の係入端部２１ａに斜
面２２ａが形成されているので、この斜面２２ａ
が凸部６ａ上に当接すると、ロツク突起２１の係
入端部２１ａが係合凹部６に係入され易くなる。 Furthermore, when the slider 7 does not have the spring 13 and only has the locking member 9, the locking protrusion 21 of the locking member 9 cannot be reliably engaged with the engaging recess 6, as shown in FIG. However, since a slope 22a is formed on the engagement end 21a of the lock projection 21 as shown in FIG. 7a, this slope 22a
When the lock protrusion 21 comes into contact with the protrusion 6a, the engagement end 21a of the lock protrusion 21 is easily engaged with the engagement recess 6.

なお、第７図ｂに示すように、ロツク突起２１
の係入端部２１ａと当接する凸部６ａ上にも、こ
の凸部６ａの両側に位置する両係合凹部６側に向
かうに従いロツク突起１１の係入端部２１ａから
離れる方向へ向かう斜面２２ｂを形成してもよ
く、この場合には係入端部２１ａの斜面２２ａと
凸部６ａの斜面２２ｂとの間の相乗作用により、
ロツク突起２１の係入端部２１ａが係合凹部６に
対しより一層係入され易くなる。 In addition, as shown in FIG. 7b, the lock protrusion 21
Also on the convex portion 6a that comes into contact with the engaging end portion 21a of the lock protrusion 11, there is a slope 22b that moves away from the engaging end portion 21a of the lock protrusion 11 toward both engaging recesses 6 located on both sides of the convex portion 6a. In this case, due to the synergistic effect between the slope 22a of the insertion end 21a and the slope 22b of the convex part 6a,
The engaging end portion 21a of the lock protrusion 21 is more easily engaged into the engaging recess 6.

さらに、ロツク部材９の操作部９ｂが基台８の
凹所１５内に収納されて基台８から突出していな
いので、使用時にこの操作部９ｂを不用意に押し
てロツク突起２１が係合凹部６から外れることが
なくなる。 Furthermore, since the operating portion 9b of the lock member 9 is housed in the recess 15 of the base 8 and does not protrude from the base 8, the lock protrusion 21 may be pushed into the engaging recess 6 when the operating portion 9b is inadvertently pushed during use. It will never come off.

［第１実施例］ まず、本考案の第１実施例を第１図から第７図
に従つて説明する。[First Embodiment] First, a first embodiment of the present invention will be described with reference to FIGS. 1 to 7.

第１図及び第２図に示すように柄１は金属製の
ガイド部材２とプラスチツク製の把持部材３とか
らなり、把持部材３の一側面に形成された嵌着溝
４にガイド部材２が嵌着され、ガイド部材２の前
端部２ａが把持部材３の前端から前方へ突出して
いる。ガイド部材２の一側面にはスライド溝５が
前後方向へ延びるように形成され、このスライド
溝５の前後両端には開口５ａ，５ｂが形成されて
いる。前記ガイド部材２のスライド溝５の両側縁
には複数の係合凹部６が並設され、第４図に示す
ようにこの係合凹部６を区画する凸部６ａの幅ａ
が係合凹部６の幅ｂに比較して十分に狭くなつて
いる。 As shown in FIGS. 1 and 2, the handle 1 consists of a metal guide member 2 and a plastic grip member 3, and the guide member 2 is inserted into a fitting groove 4 formed on one side of the grip member 3. The guide member 2 is fitted so that the front end 2a of the guide member 2 projects forward from the front end of the grip member 3. A slide groove 5 is formed on one side of the guide member 2 so as to extend in the front-rear direction, and openings 5a and 5b are formed at both front and rear ends of the slide groove 5. A plurality of engagement recesses 6 are arranged in parallel on both side edges of the slide groove 5 of the guide member 2, and as shown in FIG.
is sufficiently narrow compared to the width b of the engagement recess 6.

スライダ７は第５図に示すようにプラスチツク
製の基台８と金属製のロツク部材９とからなる。
基台８の台板部１０上にはその中央部から後端に
わたり突壁部１１が形成され、この突壁部１１の
両側縁部１１ａは台板部１０の両側縁部１０ａ上
に対し段差状をなしている。この突壁部１１の内
側にはばね収納凹部１２が形成され、この収納凹
部１２内には板ばね１３が支持されている。この
板ばね１３には弧状の係入部１３ａが突設され、
突壁部１１の一側縁部１１ａから台板部１０の一
側縁部１０ａにわたり形成された開放部１４にこ
の係入部１３ａが突出している。突壁部１１の両
側縁部１１ａには前記板ばね１３の係入部１３ａ
が突出する開放部１４よりも若干前方において支
持突起１６が形成されている。この両支持突起１
６よりも後方において突壁部１１の両側縁部１１
ａには側壁部１５ａが突設され、この両側壁部１
５ａと突壁部１１上との間で凹所１５が形成され
ている。突壁部１１上には板ばね１７が前記両支
持突起６よりも前方において支持ピン１８により
片持梁状に支持され、この板ばね１７は両支持突
起１６よりも後方へ延設されて凹所１５内で突壁
部１１上に対し接近離間する方向の弾性を有して
いる。 As shown in FIG. 5, the slider 7 comprises a base 8 made of plastic and a lock member 9 made of metal.
A protruding wall 11 is formed on the base plate 10 of the base 8 from the center to the rear end, and both side edges 11a of the protruding wall 11 are stepped relative to both side edges 10a of the base plate 10. A spring storage recess 12 is formed on the inside of the protruding wall 11, and a leaf spring 13 is supported within the storage recess 12. An arc-shaped engagement portion 13a is protruding from the leaf spring 13,
The insertion portion 13a protrudes into an opening 14 formed from one side edge 11a of the protruding wall portion 11 to one side edge 10a of the base plate portion 10. The insertion portion 13a of the leaf spring 13 is provided on both side edges 11a of the protruding wall portion 11.
A support protrusion 16 is formed slightly forward of the opening 14 from which the support protrusions 1
6, the both side edges 11
A side wall portion 15a is provided on the side wall portion 1a.
A recess 15 is formed between the protruding wall portion 11 and the support pin 18. A leaf spring 17 is supported in a cantilever manner on the protruding wall portion 11 in front of the support protrusions 6 and the support pin 18. The leaf spring 17 extends rearward beyond the support protrusions 16 and has elasticity in the recess 15 in a direction approaching and receding from the protruding wall portion 11.

一方、ロツク部材９の前部両側には側板部１９
が折曲形成され、この両側板部１９には支持孔２
０が形成されている。このロツク部材９は前記基
台８の突壁部１１上に重合され、ロツク部材９の
両支持孔２０に基台８の両支持突起１６が係入さ
れている。これによりロツク部材９は両支持突起
１６を中心にして突壁部１１に対し接近離間する
方向へ回動可能に支持されている。このロツク部
材９にはその支持孔２０よりも前側のロツク部９
ａと後側の操作部９ｂとが形成され、このロツク
部９ａの前端両側にはロツク突起２１が形成され
ている。操作部９ｂは前記突壁部１１上の板ばね
１７により突壁部１１から離間する方向へ付勢さ
れ、この付勢によりロツク部９ａが突壁部１１に
接近する方向へ回動して停止している。 On the other hand, side plate parts 19 are provided on both sides of the front part of the lock member 9.
are bent, and support holes 2 are formed in both side plate portions 19.
0 is formed. This lock member 9 is superimposed on the projecting wall portion 11 of the base 8, and both support projections 16 of the base 8 are engaged in both support holes 20 of the lock member 9. As a result, the lock member 9 is supported so as to be rotatable about the support protrusions 16 in the direction toward and away from the projecting wall portion 11. This lock member 9 has a lock portion 9 on the front side of the support hole 20.
A and a rear operating portion 9b are formed, and lock protrusions 21 are formed on both sides of the front end of this lock portion 9a. The operating portion 9b is urged in a direction away from the projecting wall portion 11 by the plate spring 17 on the projecting wall portion 11, and this bias causes the lock portion 9a to rotate in a direction toward the projecting wall portion 11 and then stopped. are doing.

特に、第２図及び第３図に示すように、ロツク
部材９の操作部９ｂは突壁部１１上に形成された
両側壁部１５ａ間の凹所１５に収納され、この操
作部９ｂが常にこの凹所１５内に位置して両側壁
部１５ａ上から突出しないようになつている。 In particular, as shown in FIGS. 2 and 3, the operating portion 9b of the locking member 9 is housed in a recess 15 between both side walls 15a formed on the projecting wall portion 11, and this operating portion 9b is always It is located within this recess 15 so as not to protrude from above the both side wall portions 15a.

前記基台８の台板部１０の前端部上には掛止部
２３ａが突設され、この前端部上に重合された刃
体２３の後端部がこの掛止部２３ａに係止されて
いる。 A hooking portion 23a is protrudingly provided on the front end of the base plate portion 10 of the base 8, and the rear end of the blade 23 superimposed on this front end is locked to the hooking portion 23a. There is.

このように構成されたスライダ７はガイド部材
２の後端開口５ｂを通してガイド部材２のスライ
ド溝５内に刃体２３とともに挿入され、同スライ
ド溝５に沿つて移動可能になつている。この挿入
状態では、基台８の台板部１０の両側縁部１０ａ
がスライド溝５の両側縁部の内側に嵌め込まれて
いるとともに、基台８の突壁部１１がスライド溝
５の両側縁間に露出し、又ロツク部材９及び基台
８の両側壁部１５ａがガイド部材２から突出して
いる。 The slider 7 configured in this manner is inserted into the slide groove 5 of the guide member 2 through the rear end opening 5b of the guide member 2 together with the blade 23, and is movable along the slide groove 5. In this inserted state, both side edges 10a of the base plate portion 10 of the base 8
are fitted inside the both side edges of the slide groove 5, the protruding wall portion 11 of the base 8 is exposed between the both side edges of the slide groove 5, and the locking member 9 and the side wall portions 15a of the base 8 are fitted. protrudes from the guide member 2.

特に、前記スライド溝５の両側縁の各係合凹部
６は、第４図に示すように、基台８内の板ばね１
３の係入部１３ａの中心とロツク部材９の両ロツ
ク突起２１の中心との間隔Ｌ１に等しい間隔Ｌ２
の両係合凹部６を有し、板ばね１３の係入部１３
ａがいずれかの係合凹部６に係入された時、ロツ
ク部材９の両ロツク突起２１が特定の係合凹部６
に必ず係入されるようになつている。本実施例の
場合には、各係合凹部６の幅ｂと、この係合凹部
６を区画する凸部６ａの幅ａとの和ａ＋ｂの７倍
が前記間隔Ｌ１，Ｌ２になつている。 In particular, each of the engagement recesses 6 on both side edges of the slide groove 5 is connected to the leaf spring 1 in the base 8, as shown in FIG.
The distance L2 is equal to the distance L1 between the center of the engaging portion 13a of No. 3 and the center of both lock protrusions 21 of the lock member 9.
It has both engaging recesses 6, and the engaging part 13 of the leaf spring 13.
a is engaged in any of the engagement recesses 6, both lock protrusions 21 of the lock member 9 engage with the specific engagement recess 6.
It is becoming clear that the government is always involved. In the case of this embodiment, the distances L1 and L2 are seven times the sum a+b of the width b of each engagement recess 6 and the width a of the protrusion 6a that partitions this engagement recess 6.

又、第６図に示すように前記ロツク部材９の両
ロツク突起２１が係合凹部６に係入されないで前
記凸部６ａ上に当接した状態で、凸部６ａに対し
相対向するロツク突起２１の係入端部２１ａは、
第７図ａに示すように円弧状に形成され、この円
弧面により、凸部６ａの両側に位置する両係合凹
部６側に向かうに従い凸部６ａから離れる方向へ
向かう一対の斜面２２ａが形成されている。 Further, as shown in FIG. 6, in a state in which both the lock protrusions 21 of the lock member 9 are not engaged with the engagement recess 6 but are in contact with the protrusion 6a, the lock protrusion opposite to the protrusion 6a The engaging end portion 21a of 21 is
As shown in FIG. 7a, it is formed in an arc shape, and this arcuate surface forms a pair of slopes 22a that move away from the protrusion 6a as they move toward both engaging recesses 6 located on both sides of the protrusion 6a. has been done.

さらに、基台８内の板ばね１３の係入部１３ａ
は大きな曲率半径を有しているため、この係入部
１３ａが係合凹部６に食込む深さｄ１は大変浅く
なつている。その反面、ロツク突起２１の係入端
部２１ａが係合凹部６に食込む深さｄ２は板ばね
１３の係入部１３ａの食込み深さｄ１に比較して
大変深くなつている。 Furthermore, the engagement portion 13a of the leaf spring 13 in the base 8
has a large radius of curvature, so the depth d1 at which this engaging portion 13a digs into the engaging recess 6 is very shallow. On the other hand, the depth d2 into which the engaging end portion 21a of the lock projection 21 bites into the engaging recess 6 is much deeper than the digging depth d1 of the engaging portion 13a of the leaf spring 13.

さて、このように構成されたカツターナイフを
使用する場合には、スライダ７のロツク部材９の
操作部９ｂを板ばね１７の付勢力に抗して押し、
ロツク部材９の両ロツク突起２１をスライド溝５
の係合凹部６から外した状態で、スライダ７をス
ライド溝５に沿つて前方に移動させ、刃体２３が
スライド溝５の前端開口５ａから所望寸法だけ突
出したところでスライダ７のロツク部材９の操作
部９ｂを離す。 Now, when using the cutter knife configured in this way, push the operating portion 9b of the locking member 9 of the slider 7 against the biasing force of the leaf spring 17,
Slide both lock protrusions 21 of the lock member 9 into the slide groove 5.
The slider 7 is moved forward along the slide groove 5, and when the blade body 23 protrudes from the front end opening 5a of the slide groove 5 by a desired dimension, the lock member 9 of the slider 7 is removed from the engagement recess 6 of the slider 7. Release the operation part 9b.

この使用状態では、第１，２図及び第４図に示
すように、スライダ７の基台８内の板ばね１３に
おいてその係入部１３ａがスライド溝５の係合凹
部６の一つに係入されてスライダ７が位置決めさ
れるとともに、スライダ７のロツク部材９が板ば
ね１７の付勢力により回動してロツク部材９の両
ロツク突起２１がスライド溝５の両側縁の係合凹
部６の一つに係入され、スライダ７の移動が確実
に阻止される。 In this state of use, as shown in FIGS. 1, 2, and 4, the engagement portion 13a of the leaf spring 13 in the base 8 of the slider 7 engages with one of the engagement recesses 6 of the slide groove 5. At the same time, the slider 7 is positioned, and the lock member 9 of the slider 7 is rotated by the biasing force of the leaf spring 17, so that both lock protrusions 21 of the lock member 9 engage with one of the engagement recesses 6 on both side edges of the slide groove 5. The movement of the slider 7 is reliably prevented.

カツターナイフを使用しない時には、第２図に
示す状態からスライダ７を前述した場合と同様な
操作で後方へ移動させ、第３図に示すように刃体
２３をスライド溝５内に没入させる。 When the cutter knife is not used, the slider 7 is moved rearward from the state shown in FIG. 2 in the same manner as described above, and the blade body 23 is recessed into the slide groove 5 as shown in FIG. 3.

特にこの第１実施例においては、スライド溝５
の各係合凹部６には、スライダ７の基台８内の板
ばね１３の係入部１３ａとロツク部材９のロツク
突起２１との間隔Ｌ１に等しい間隔Ｌ２の両係合
凹部６を有しているので、板ばね１３の係入部１
３ａがいずれかの係合凹部６に係入された時、ロ
ツク部材９の両ロツク突起２１が特定の係合凹部
６に必ず係入され、スライダ７のロツクを容易に
かつ確実に行うことができる。 Especially in this first embodiment, the slide groove 5
Each of the engaging recesses 6 has two engaging recesses 6 with a distance L2 equal to the distance L1 between the engaging portion 13a of the leaf spring 13 in the base 8 of the slider 7 and the lock protrusion 21 of the locking member 9. Therefore, the engagement part 1 of the leaf spring 13
3a is engaged in any of the engagement recesses 6, both lock protrusions 21 of the lock member 9 are definitely engaged in the specific engagement recess 6, and the slider 7 can be locked easily and reliably. can.

この場合、板ばね１３の係入部１３ａは係合凹
部６の一つに係入してスライダ７を位置決めする
機能を果たせば十分であるため、第４図に示すよ
うに、板ばね１３の係入部１３ａが係合凹部６に
食込む深さｄ１は大変浅くなつている。又、板ば
ね１３も弾性力の小さいものを使用している。ロ
ツク部材９の両ロツク突起２１を係合凹部６から
外した状態でスライダ７を移動させると、板ばね
１３の係入部１３ａはその食込み深さｄ１だけ撓
んで隣りの係合凹部６に順次係入されるが、この
食込み深さｄ１が大変浅くなつているので、板ば
ね１３の係入部１３ａの撓み量も少なくなり、ス
ライダ７を小さな力で移動させることができる。 In this case, it is sufficient for the engagement portion 13a of the leaf spring 13 to engage one of the engagement recesses 6 and position the slider 7, so as shown in FIG. The depth d1 at which the entry portion 13a digs into the engagement recess 6 is very shallow. Further, the leaf spring 13 also has a small elastic force. When the slider 7 is moved with both lock protrusions 21 of the locking member 9 removed from the engagement recesses 6, the engagement portion 13a of the leaf spring 13 is bent by the biting depth d1 and sequentially engaged with the adjacent engagement recesses 6. However, since this biting depth d1 is very shallow, the amount of deflection of the engaging portion 13a of the leaf spring 13 is also reduced, and the slider 7 can be moved with a small force.

又、スライダ７に前記板ばね１３がなくロツク
部材９のみを有している場合には、第６図に示す
ように、ロツク部材９の両ロツク突起２１が係合
凹部６に確実に係入されないで、それを区画する
凸部６ａ上に当接することもあり得るが、第７図
ａに示すようにロツク突起２１の係入端部２１ａ
に斜面２２ａが形成されているので、この斜面２
２ａが凸部６ａ上に当接すると、ロツク突起２１
の係入端部２１ａが係合凹部６に係入され易くな
り、スライダ７のロツクを容易にかつ確実に行う
ことができる。 Further, when the slider 7 does not have the leaf spring 13 and only has the locking member 9, as shown in FIG. However, as shown in FIG. 7a, the engaging end 21a of the lock projection 21
Since a slope 22a is formed on the slope 22a, this slope 2
2a comes into contact with the protrusion 6a, the lock protrusion 21
The engaging end portion 21a of the slider 7 can be easily engaged with the engaging recess 6, and the slider 7 can be locked easily and reliably.

なお、第７図ｂに示すように、ロツク突起２１
の係入端部２１ａと当接する凸部６ａ上にも、こ
の凸部６ａの両側に位置する両係合凹部６側に向
かうに従いロツク突起２１の係入端部２１ａから
離れる方向へ向かう一対の斜面２２ｂを形成して
もよく、この場合には係入端部２１ａの斜面２２
ａと凸部６ａの斜面２２ｂとの間の相乗作用によ
り、ロツク突起２１の係入端部２１ａが係合凹部
６に対しより一層係入され易くなる。 In addition, as shown in FIG. 7b, the lock protrusion 21
Also on the convex part 6a that comes into contact with the engaging end part 21a of the lock protrusion 21, there are a pair of protrusions that move away from the engaging end part 21a of the lock protrusion 21 as it goes toward both engaging recesses 6 located on both sides of the convex part 6a. A slope 22b may be formed, and in this case, the slope 22 of the engagement end 21a
The engagement end 21a of the lock protrusion 21 is more easily engaged with the engagement recess 6 due to the synergistic effect between the engagement end 21a of the lock protrusion 21 and the slope 22b of the protrusion 6a.

さらに、ロツク部材９の操作部９ｂが基台８の
凹所１５内に収納されて基台８から突出していな
いので、使用時にこの操作部９ｂを不用意に押し
てロツク突起２１が係合凹部６から外れることが
なくなり、大変安全である。 Furthermore, since the operating portion 9b of the lock member 9 is housed in the recess 15 of the base 8 and does not protrude from the base 8, the lock protrusion 21 may be pushed into the engaging recess 6 when the operating portion 9b is inadvertently pushed during use. It will not come off and is very safe.

［第２実施例］ 次に、本考案の第２実施例を第８図から第１５
図に従つて説明する。[Second Embodiment] Next, the second embodiment of the present invention will be explained with reference to FIGS. 8 to 15.
This will be explained according to the diagram.

第３図及び第９図に示すように柄１は金属製の
ガイド部材２とプラスチツク製の把持部材３とか
らなり、把持部材３の一側面に形成された嵌着溝
４にガイド部材２が嵌着され、ガイド部材２の前
端部２ａが把持部材３の前端から前方へ突出して
いるとともに、把持部材３の後端部３ｂがガイド
部材２の後端から後方へ若干突出している。ガイ
ド部材２の一側面にはスライド溝５が前後方向へ
延びるように形成され、このスライド溝５の前後
両端には開口５ａ，５ｂが形成されているととも
に、前記嵌着溝４の後端にも開口４ｂが形成され
ている。前記ガイド部材２のスライド溝５の両側
縁には複数の係合凹部６が並設されている。 As shown in FIGS. 3 and 9, the handle 1 consists of a metal guide member 2 and a plastic gripping member 3. The guide member 2 is inserted into a fitting groove 4 formed on one side of the gripping member 3. The front end 2a of the guide member 2 projects forward from the front end of the gripping member 3, and the rear end 3b of the gripping member 3 slightly projects rearward from the rear end of the guide member 2. A slide groove 5 is formed on one side of the guide member 2 so as to extend in the front-rear direction, and openings 5a and 5b are formed at both the front and rear ends of the slide groove 5. Also, an opening 4b is formed. A plurality of engagement recesses 6 are arranged in parallel on both side edges of the slide groove 5 of the guide member 2.

スライダ７は第１５図に示すように基台８とロ
ツク部材９とからなる。基台８の台板部１０上に
はその中央部から後端にわたり突壁部１１が形成
され、この突壁部１１の両側縁部１１ａは台板部
１０の両側縁部１０ａ上に対し段差状をなしてい
る。この突壁部１１の内側にはばね収納凹部１２
が形成され、この収納凹部１２内には板ばね１３
が支持されている。この板ばね１３には弧状の係
入部１３ａが突設され、突壁部１１の一側縁部１
１ａから台板部１０の一側縁部１０ａにわたり形
成された開放部１４にこの係入部１３ａが突出し
ている。突壁部１１上には前後方向へ延びる長孔
１５Ａが収納凹部１２に連通するように透設さ
れ、この長孔１５Ａの両側縁には一対の支持突起
１６が相対向して形成されている。突壁部１１上
には板ばね１７が前記両支持突起１６よりも前方
において支持ピン１８により片持ち梁状に支持さ
れ、この板ばね１７は両支持突起１６よりも後方
へ延設されて突壁部１１上に対し接近離間する方
向の弾性を有している。 The slider 7 consists of a base 8 and a locking member 9, as shown in FIG. A protruding wall part 11 is formed on the base plate part 10 of the base 8 from the center to the rear end, and both side edges 11a of this protruding wall part 11 are stepped with respect to the both side edges 10a of the base plate part 10. form. A spring storage recess 12 is provided inside this projecting wall portion 11.
is formed, and a leaf spring 13 is placed inside this storage recess 12.
is supported. This plate spring 13 is provided with an arc-shaped engaging portion 13a projecting from one side edge 1 of the projecting wall portion 11.
This engaging portion 13a protrudes into an open portion 14 formed from 1a to one side edge 10a of the base plate portion 10. A long hole 15A extending in the front-rear direction is transparently provided on the projecting wall portion 11 so as to communicate with the storage recess 12, and a pair of supporting protrusions 16 are formed facing each other on both side edges of the long hole 15A. . A leaf spring 17 is supported on the projecting wall portion 11 in a cantilever shape by a support pin 18 in front of both the support protrusions 16, and this leaf spring 17 extends rearward from both the support protrusions 16 and is attached to the protrusion. It has elasticity in a direction toward and away from the wall portion 11.

一方、ロツク部材９の内側には軸受部１９Ａが
突設され、この軸受部１９Ａには支持孔２０が形
成されている。このロツク部材９は前記基台８の
突壁部１１上に重合され、その軸受部１９Ａは板
ばね１７に形成された透孔１７ａを通して突壁部
１１の長孔１５Ａ及びばね収納凹部１２に挿入さ
れ、この軸受部１９Ａの支持孔２０に長孔１５Ａ
の両支持突起１６が係入されている。これにより
ロツク部材９は両支持突起１６を中心として突壁
部１１に対し接近離間する方向へ回動可能に支持
されている。このロツク部材９にはその支持孔２
０よりも前側のロツク部９ａと後側の操作部９ｂ
とが形成され、このロツク部９ａの前端内面両側
にはロツク突起２１が形成されている。操作部９
ｂは前記突壁部１１上の板ばね１７により突壁部
１１から離間する方向へ付勢され、この付勢によ
りロツク部９ａは突壁部１１に接近する方向へ回
動して停止している。 On the other hand, a bearing portion 19A is protruded from the inside of the lock member 9, and a support hole 20 is formed in this bearing portion 19A. This lock member 9 is superimposed on the projecting wall portion 11 of the base 8, and its bearing portion 19A is inserted into the elongated hole 15A of the projecting wall portion 11 and the spring storage recess 12 through the through hole 17a formed in the leaf spring 17. A long hole 15A is formed in the support hole 20 of this bearing portion 19A.
Both support protrusions 16 are engaged. As a result, the lock member 9 is supported so as to be rotatable about the support protrusions 16 in the direction toward and away from the projecting wall portion 11. This locking member 9 has its support hole 2.
Lock part 9a on the front side of 0 and operation part 9b on the rear side
A lock protrusion 21 is formed on both sides of the inner surface of the front end of the lock portion 9a. Operation unit 9
b is biased by the leaf spring 17 on the protruding wall 11 in a direction away from the protruding wall 11, and this bias causes the locking part 9a to rotate in the direction approaching the protruding wall 11 and then stop. There is.

前記基台８の台板部１０の前端部上には掛止部
２３ａが突設され、この前端部上に重合された刃
体２３の後端部がこの掛止部２３ａに係止されて
いる。 A hooking portion 23a is protrudingly provided on the front end of the base plate portion 10 of the base 8, and the rear end of the blade 23 superimposed on this front end is locked to the hooking portion 23a. There is.

このように構成されたスライダ７は把持部材３
の後端開口４ｂからガイド部材２の後端開口５ｂ
を通してガイド部材２のスライド溝５内に刃体２
３とともに挿入され、同スライド溝５に沿つて移
動可能になつている。この挿入状態では、基台８
の台板部１０の両側縁部１０ａがスライド溝５の
両側縁部の内側に嵌込まれているとともに、基台
８の突壁部１１はスライド溝５の両側縁間に露出
し、又ロツク部材９はガイド部材２から突出して
いる。 The slider 7 configured in this way is attached to the gripping member 3
From the rear end opening 4b to the rear end opening 5b of the guide member 2
Insert the blade 2 into the slide groove 5 of the guide member 2.
3, and is movable along the slide groove 5. In this inserted state, the base 8
The side edges 10a of the base plate portion 10 are fitted inside the side edges of the slide groove 5, and the projecting wall portion 11 of the base 8 is exposed between the side edges of the slide groove 5, and the lock The member 9 projects from the guide member 2.

前記スライド溝５の両側縁の各係合凹部６は、
第１１図に示すように、基台８内の板ばね１３の
係入部１３ａの中心とロツク部材９の両ロツク突
起２１の中心との間隔Ｌ１に等しい間隔Ｌ２の両
係合凹部６を有し、板ばね１３の係入部１３ａが
いずれかの係合凹部６に係入された時、ロツク部
材９の両ロツク突起２１が特定の係合凹部６に必
ず係入されるようになつている。 Each engagement recess 6 on both side edges of the slide groove 5 is
As shown in FIG. 11, it has both engaging recesses 6 with a distance L2 equal to the distance L1 between the center of the engaging portion 13a of the leaf spring 13 in the base 8 and the center of both lock protrusions 21 of the locking member 9. When the engagement portion 13a of the leaf spring 13 is engaged with any of the engagement recesses 6, both lock protrusions 21 of the locking member 9 are always engaged with the specific engagement recess 6.

柄１の把持部材３の後端部においてその嵌着溝
４とは反対側になる把持部材３の他側面にはクリ
ツプ収納凹部２４が形成され、この収納凹部２４
の後端にはガイド部材２のスライド溝５の後端開
口５ｂと把持部材３の嵌着溝４の後端開口４ｂと
の間において嵌着溝４に開放されたスライド孔２
５が形成されている。このスライド溝２５の内周
面においてその前側には止め凸部２５ａが形成さ
れているとともに、その後側には止め溝２５ｂが
形成されている。 A clip storage recess 24 is formed on the other side of the grip member 3 opposite to the fitting groove 4 at the rear end of the grip member 3 of the handle 1.
At the rear end, there is a slide hole 2 opened in the fitting groove 4 between the rear end opening 5b of the slide groove 5 of the guide member 2 and the rear end opening 4b of the fitting groove 4 of the gripping member 3.
5 is formed. A stop protrusion 25a is formed on the front side of the inner peripheral surface of the slide groove 25, and a stop groove 25b is formed on the rear side.

Ｌ状をなすクリツプ２６はスライド部２７とこ
れから前方へ延設された挾持板２８とからなり、
スライド部２７には透孔２９が形成され、この透
孔２９によりスライド部２７の前後両部に弾性を
持たせている。スライド部２７の外周面において
その前部には一対の止め凹部３０ａ，３０ｂが形
成されているとともに、その後部には止め突起３
１が形成されている。このスライド部２７は前記
クリツプ収納凹部２４のスライド孔２５に対し移
動可能に嵌入され、スライド部２７の止め突起３
１がスライド孔２５の止め溝５ｂに係入されてス
ライド部２７が抜け落ちないようになつている。
挾持板２８は収納凹部２４に対向している。 The L-shaped clip 26 consists of a slide portion 27 and a clamping plate 28 extending forward from the slide portion 27.
A through hole 29 is formed in the slide portion 27, and the through hole 29 provides elasticity to both the front and rear portions of the slide portion 27. A pair of stop recesses 30a and 30b are formed in the front part of the outer peripheral surface of the slide part 27, and a stop protrusion 3 is formed in the rear part.
1 is formed. This slide portion 27 is movably fitted into the slide hole 25 of the clip storage recess 24, and the stop protrusion 3 of the slide portion 27
1 is engaged in the stopper groove 5b of the slide hole 25 to prevent the slide portion 27 from falling off.
The holding plate 28 faces the storage recess 24.

そして、第９，１０図に示すようにスライド孔
２５の止め凸部２５ａがスライド部２７の一方の
止め凹部３０ｂに係入されると、挾持板２８が収
納凹部２４に嵌入されて没入し、挾持板２８の外
面と把持部材３の外面とが面一となる。この没入
状態で、スライド部２７は把持部材３の嵌着溝４
の後端開口４ｂとガイド部材２のスライド溝５の
後端開口５ｂとの間において嵌着溝４に突出し、
スライド溝５の後端開口５ｂがこのスライド部２
７により閉塞されるようになつている。 Then, as shown in FIGS. 9 and 10, when the stopper convex part 25a of the slide hole 25 is engaged with one stopper recess 30b of the slide part 27, the holding plate 28 is fitted into the storage recess 24 and retracted. The outer surface of the clamping plate 28 and the outer surface of the gripping member 3 are flush with each other. In this retracted state, the slide portion 27 is inserted into the fitting groove 4 of the gripping member 3.
protrudes into the fitting groove 4 between the rear end opening 4b and the rear end opening 5b of the slide groove 5 of the guide member 2;
The rear end opening 5b of the slide groove 5 is the slide portion 2.
7.

一方、第１３，１４図に示すようにスライド孔
２５の止め凸部２５ａがスライド部２７の他方の
止め凹部３０ａに係入されると、挾持板２８が収
納凹部２４から突出してこの挾持板２８と把持部
材３の外面との間で挾持し得るようになつてい
る。この突出状態で、スライド部２７は嵌着溝４
からスライド孔２５側へ没入し、スライド溝５の
後端開口５ｂが開放されるようになつている。 On the other hand, as shown in FIGS. 13 and 14, when the stopper convex part 25a of the slide hole 25 is engaged with the other stopper recess 30a of the slide part 27, the clamping plate 28 protrudes from the storage recess 24. and the outer surface of the gripping member 3. In this protruding state, the slide portion 27 is inserted into the fitting groove 4.
The slide groove 5 is recessed into the slide hole 25 side, and the rear end opening 5b of the slide groove 5 is opened.

さて、このように構成されたカツターナイフを
使用する場合には、スライダ７のロツク部材９の
操作部９ｂを板ばね１７の付勢力に抗して押し、
ロツク部材９の両ロツク突起２１をスライド溝５
の係合凹部６から外した状態で、スライダ７をス
ライド溝５に沿つて前方へ移動させ、刃体２３が
スライド溝５の前端開口５ａから所望寸法だけ突
出したところでスライダ７のロツク部材９の操作
部９ｂを離す。 Now, when using the cutter knife configured in this way, push the operating portion 9b of the locking member 9 of the slider 7 against the biasing force of the leaf spring 17,
Slide both lock protrusions 21 of the lock member 9 into the slide groove 5.
The slider 7 is moved forward along the slide groove 5 in a state in which it is removed from the engagement recess 6 of the slider 7, and when the blade body 23 protrudes from the front end opening 5a of the slide groove 5 by a desired dimension, the lock member 9 of the slider 7 is moved forward. Release the operation part 9b.

この使用状態では、第８，９図及び第１１図に
示すように、スライダ７の基台８内の板ばね１３
においてその係入部１３ａがスライド溝５の係合
凹部６の一つに係入されてスライダ７が位置決め
されるとともに、スライダ７のロツク部材９は板
ばね１７の付勢力により回動してロツク部材９の
両ロツク突起２１がスライド溝５の両側縁の係合
凹部６の一つに係入され、スライダ７の移動が確
実に阻止される。 In this state of use, as shown in FIGS. 8, 9 and 11, the leaf spring 13 in the base 8 of the slider 7
At this time, the engaging portion 13a is engaged with one of the engaging recesses 6 of the slide groove 5 to position the slider 7, and the locking member 9 of the slider 7 is rotated by the biasing force of the leaf spring 17 to lock the locking member. Both lock protrusions 21 of 9 are engaged with one of the engaging recesses 6 on both side edges of the slide groove 5, and movement of the slider 7 is reliably prevented.

この使用時においては、第９図及び第１０図に
示すように、クリツプ２６を収納凹部２４内に没
入させ、クリツプ２６のスライド部２７の一方の
止め凹部３０ｂにスライド孔２５の止め凸部２５
ａを係入して位置決めする。この使用状態では、
クリツプ２６の挾持板２８が把持部材３の外面か
ら突出していないため、柄１を握つて使用すると
きこのクリツプ２６が邪魔にならず大変使い易く
なる。 During this use, as shown in FIGS. 9 and 10, the clip 26 is inserted into the storage recess 24, and the stop protrusion 25 of the slide hole 25 is inserted into the stop recess 30b of the slide portion 27 of the clip 26.
Insert and position a. In this usage state,
Since the gripping plate 28 of the clip 26 does not protrude from the outer surface of the gripping member 3, the clip 26 does not get in the way when the handle 1 is gripped and used, making it very easy to use.

又、この使用状態でクリツプ２６のスライド部
２７がスライド溝５の後端開口５ｂを閉塞してい
るため、スライダ７を前述した場合と同様な操作
で移動させて刃体２３の突出寸法を変更すると
き、スライダ７を誤つてスライド溝５の後端開口
５ｂまで移動させても、スライダ７の基台８がク
リツプ２６のスライド２７に当たつて同スライド
部２７がストツパとしての機能を果し、スライダ
７の移動が阻止されてスライダ７がスライド溝５
の後端開口５ｂから不用意に抜け落ちることはな
くなる。 In addition, since the slide portion 27 of the clip 26 closes the rear end opening 5b of the slide groove 5 in this state of use, the protrusion dimension of the blade body 23 is changed by moving the slider 7 in the same manner as described above. At this time, even if the slider 7 is accidentally moved to the rear end opening 5b of the slide groove 5, the base 8 of the slider 7 will hit the slide 27 of the clip 26, and the slide portion 27 will function as a stopper. , the movement of the slider 7 is blocked and the slider 7 moves into the slide groove 5.
It will not fall off carelessly from the rear end opening 5b.

カツターナイフを使用しない時には、第９図に
示す状態からスライダ７を前述した場合と同様な
操作で後方へ移動させて刃体２３をスライド溝５
内に没入させる。この時、スライダ７はスライド
溝５の後端開口５ｂに近付くが、この後端開口５
ｂは前述したようにクリツプ２６のスライド部２
７により閉塞されているため、スライダ７の基台
８がこのスライド部２７に当たつてスライダ７が
スライド溝５の後端開口５ｂから不用意に抜け落
ちることはなくなる。 When the cutter knife is not in use, move the slider 7 backward from the state shown in FIG.
Immerse yourself inside. At this time, the slider 7 approaches the rear end opening 5b of the slide groove 5, but this rear end opening 5b
b is the slide portion 2 of the clip 26 as described above.
7, the base 8 of the slider 7 will not come into contact with this slide portion 27 and the slider 7 will not accidentally fall out from the rear end opening 5b of the slide groove 5.

その後、第１３図及び第１４図に示すように、
クリツプ２６を収納凹部２４から突出させ、クリ
ツプ２６のスライド部２７の一方の止め凹部３０
ａにスライド孔２５の止め凸部２５ａを係入させ
て位置決めする。この不使用状態では、把持部材
３の外面からクリツプ２６の挾持板２８が突出
し、それらの間でポケツト等に挾持してカツター
ナイフを保持することができる。 After that, as shown in FIGS. 13 and 14,
The clip 26 is made to protrude from the storage recess 24, and one stop recess 30 of the slide portion 27 of the clip 26 is inserted.
The locking convex portion 25a of the slide hole 25 is inserted into the slide hole 25 for positioning. In this unused state, the clamping plates 28 of the clip 26 protrude from the outer surface of the gripping member 3, and the cutter knife can be held between them in a pocket or the like.

又、この不使用状態でクリツプ２６のスライド
部２７がスライド溝５の後端開口５ｂを開放する
ため、この後端開口５ｂからスライダ７及び刃体
２３を抜いて刃体２３を交換することができる。 Furthermore, since the slide portion 27 of the clip 26 opens the rear end opening 5b of the slide groove 5 in this unused state, it is possible to remove the slider 7 and the blade body 23 from the rear end opening 5b and replace the blade body 23. can.

特に、この第２実施例においても、スライド溝
５の各係合凹部６には、スライダ７の基台８内の
板ばね１３の係入部１３ａとロツク部材９のロツ
ク突起２１との間隔Ｌ１に等しい間隔Ｌ２の両係
合凹部６を有しているので、板ばね１３の係入部
１３ａがいずれかの係合凹部６に係入された時、
ロツク部材９の両ロツク突起２１が特定の係合凹
部６に必ず係入され、スライダ７のロツクを容易
にかつ確実に行うことができる。 In particular, in this second embodiment as well, each engagement recess 6 of the slide groove 5 has a gap L1 between the engagement portion 13a of the leaf spring 13 in the base 8 of the slider 7 and the lock protrusion 21 of the lock member 9. Since both the engagement recesses 6 are provided with the same interval L2, when the engagement portion 13a of the leaf spring 13 is engaged with either of the engagement recesses 6,
Both lock protrusions 21 of the lock member 9 are always engaged in the specific engagement recesses 6, and the slider 7 can be locked easily and reliably.

考案の効果 本考案によれば、スライド溝５の各係合凹部６
には、スライダ７のばね１３の係入部１３ａとロ
ツク部材９のロツク突起２１との間隔Ｌ１に等し
い間隔Ｌ２の両係合凹部６を有しているので、ば
ね１３の係入部１３ａがいずれかの係合凹部６に
係入された時、ロツク部材９のロツク突起２１が
特定の係合凹部６に必ず係入され、スライダ７の
ロツクを容易にかつ確実に行うことができる。Effects of the invention According to the invention, each engagement recess 6 of the slide groove 5
has both engaging recesses 6 with a distance L2 equal to the distance L1 between the engaging portion 13a of the spring 13 of the slider 7 and the lock protrusion 21 of the locking member 9, so that the engaging portion 13a of the spring 13 can When the slider 7 is engaged with the engagement recess 6 of the lock member 9, the lock protrusion 21 of the lock member 9 is always engaged with the specific engagement recess 6, and the slider 7 can be locked easily and reliably.

又、本考案によれば、ロツク部材９のロツク突
起２１の係入端部２１ａが係合凹部６に係入され
ないで凸部６ａ上に当接した状態で相対向するロ
ツク突起２１の係入端部２１ａ及び凸部６ａのう
ち、少なくとも一方のものには、凸部６ａの両側
に位置する両係合凹部６側に向かうに従い他方の
ものから離れる方向へ向かう一対の斜面２２ａ，
２２ｂを設けたので、ロツク突起２１の係入端部
２１ａが係合凹部６に係入され易くなり、スライ
ダ７のロツクを容易にかつ確実に行うことができ
る。 Further, according to the present invention, the engaging end portion 21a of the locking protrusion 21 of the locking member 9 is not engaged in the engaging recess 6 but is in contact with the convex portion 6a, and the opposing locking protrusions 21 are engaged with each other. At least one of the end portion 21a and the convex portion 6a is provided with a pair of slopes 22a that move away from the other as they move toward both engaging recesses 6 located on both sides of the convex portion 6a.
22b, the engaging end 21a of the locking protrusion 21 is easily engaged in the engaging recess 6, and the slider 7 can be locked easily and reliably.

さらに、ロツク部材９の操作部９ｂが基台８の
凹所１５内に収納されて基台９から突出していな
いので、使用時にこの操作部９ｂを不用意に押し
てロツク突起２１が係合凹部６から外れることが
なくなり、大変安全である。 Further, since the operating portion 9b of the lock member 9 is housed in the recess 15 of the base 8 and does not protrude from the base 9, the lock protrusion 21 may be pushed into the engaging recess 6 when the operating portion 9b is inadvertently pushed during use. It will not come off and is very safe.

【図面の簡単な説明】[Brief explanation of drawings]

第１図〜第７図ａ，ｂは本考案の第１実施例を
示し、第１図はカツターナイフの使用状態を示す
正面図、第２図は第１図のＸ１−Ｘ１線断面図、
第３図はカツターナイフの不使用状態を示す前記
第２図相当図、第４図は第１図の一部切欠部分拡
大正面図、第５図はスライダの分解斜視図、第６
図はロツク部材のロツク突起が係合凹部に係入さ
れないでそれらを区画する凸部に当接した状態を
示す部分拡大図、第７図ａは第６図のＸ２−Ｘ２
線拡大断面図、第７図ｂは別例を示す前記第７図
ａ相当図、第８図〜第１５図は本考案の第２実施
例を示し、第８図はカツターナイフの使用状態を
示す正面図、第９図は第８図のＹ１−Ｙ１線断面
図、第１０図は第９図の部分拡大断面図、第１１
図は第８図の一部切欠部分拡大断面図、第１２図
は第１１図のＹ２−Ｙ２線断面図、第１３図はカ
ツターナイフの不使用状態を示す前記第９図相当
図、第１４図は第１３図の部分拡大断面図、第１
５図はスライダの分解斜視図である。 １……柄、５……スライド溝、６……係合凹
部、６ａ……凸部、７……スライダ、８……基
台、９……ロツク部材、９ｂ……操作部、１３…
…板ばね、１３ａ……係入部、１５……凹所、１
７……板ばね、２１……ロツク突起、２１ａ……
係入端部、２２ａ，２２ｂ……斜面、２３……刃
体、Ｌ１，Ｌ２……間隔。 1 to 7 a and b show a first embodiment of the present invention, FIG. 1 is a front view showing how the cutter knife is used, FIG. 2 is a sectional view taken along the line X1-X1 in FIG. 1,
3 is a view corresponding to FIG. 2 showing the cutter knife in an unused state, FIG. 4 is an enlarged front view of a partially cutaway part of FIG. 1, FIG. 5 is an exploded perspective view of the slider, and FIG.
The figure is a partially enlarged view showing a state in which the locking protrusion of the locking member is not engaged with the engaging recess but is in contact with the protrusion that partitions them, and FIG. 7a is X2-X2 of FIG.
FIG. 7B is a diagram corresponding to FIG. 7A showing another example; FIGS. 8 to 15 show a second embodiment of the present invention; FIG. 8 shows how the cutter knife is used. A front view, FIG. 9 is a sectional view taken along the Y1-Y1 line in FIG. 8, FIG. 10 is a partially enlarged sectional view of FIG. 9, and FIG.
12 is a sectional view taken along the line Y2-Y2 of FIG. 11, FIG. 13 is a view corresponding to FIG. 9 showing the cutter knife in an unused state, and FIG. 14. is a partially enlarged sectional view of Fig. 13,
FIG. 5 is an exploded perspective view of the slider. DESCRIPTION OF SYMBOLS 1...Handle, 5...Slide groove, 6...Engaging recess, 6a...Protrusion, 7...Slider, 8...Base, 9...Lock member, 9b...Operation unit, 13...
...Plate spring, 13a... Engagement part, 15... Recess, 1
7...Plate spring, 21...Lock protrusion, 21a...
Engagement end, 22a, 22b... slope, 23... blade body, L1, L2... spacing.

Claims (1)

【実用新案登録請求の範囲】 １ 柄１に形成したスライド溝５に刃体取付用ス
ライダ７を同スライド溝５に沿つて移動可能に
支持し、このスライダ７を移動操作することに
より刃体２３をスライド溝５から出没可能にし
たカツターナイフにおいて、 前記スライダ７には前記スライド溝５の側縁
に形成した複数の係合凹部６に対し係脱するロ
ツク突起２１を有するロツク部材９を回動可能
に設けるとともに、前記スライド溝５の各係合
凹部６に対し係脱するばね１３を設け、 前記スライド溝５の各係合凹部６には、前記
ばね１３の係入部１３ａとロツク部材９のロツ
ク突起２１との間隔Ｌ１に等しい間隔Ｌ２の両
係合凹部６を有していることを特徴とするカツ
ターナイフにおける刃体取付用スライダのロツ
ク装置。 ２ 柄１に形成したスライド溝５に刃体取付用ス
ライダ７に同スライド溝５に沿つて移動可能に
支持し、このスライダ７を移動操作することに
より刃体２３をスライド溝５から出没可能にし
たカツターナイフにおいて、 前記スライダ７にはロツク部材９を回動可能
に設けるとともに、このロツク部材９には前記
スライド溝５の側縁に形成した凸部６ａにより
区画した複数の係合凹部６に対し係脱するロツ
ク突起２１を設け、 前記ロツク部材９のロツク突起２１の係入端
部２１ａが係合凹部６に係入されないで前記凸
部６ａ上に当接した状態で相対向するロツク突
起２１の係入端部２１ａ及び凸部６ａのうち、
少なくとも一方のものには、凸部６ａの両側に
位置する両係合凹部６側に向かうに従い他方の
ものから離れる方向へ向かう一対の斜面２２
ａ，２２ｂを設けたことを特徴とするカツター
ナイフにおける刃体取付用スライダのロツク装
置。 ３ 柄１に形成したスライド溝５に刃体取付用ス
ライダ７を同スライド溝５に沿つて移動可能に
支持し、このスライダ７を移動操作することに
より刃体２３をスライド溝５から出没可能にし
たカツターナイフにおいて、 前記スライダ７には刃体２３を係着する基台
８と、この基台８に対し回動可能なロツク部材
９とを設けるとともに、このロツク部材９には
前記スライド溝５の側縁に形成した複数の係合
凹部６に対し係脱するロツク突起２１を設け、 前記基台８には前記ロツク部材９に形成した
操作部９ｂを突出しないように収納する凹所１
５を設けたことを特徴とするカツターナイフに
おける刃体取付用スライダのロツク装置。[Claims for Utility Model Registration] 1. A blade attachment slider 7 is supported in a slide groove 5 formed in the handle 1 so as to be movable along the slide groove 5, and by moving the slider 7, the blade 23 is attached. In the cutter knife, the slider 7 is rotatably provided with a locking protrusion 21 that engages and disengages from a plurality of engagement recesses 6 formed on the side edge of the slide groove 5. At the same time, a spring 13 is provided that engages and disengages from each engagement recess 6 of the slide groove 5, and each engagement recess 6 of the slide groove 5 has an engagement portion 13a of the spring 13 and a lock of the lock member 9. A locking device for a slider for mounting a blade body in a cutter knife, characterized in that it has both engaging recesses 6 with a spacing L2 equal to the spacing L1 with respect to the projection 21. 2 A blade mounting slider 7 is supported movably along the slide groove 5 in the slide groove 5 formed in the handle 1, and the blade 23 can be moved in and out of the slide groove 5 by moving the slider 7. In this cutter knife, the slider 7 is rotatably provided with a lock member 9, and the lock member 9 has a plurality of engaging recesses 6 defined by convex portions 6a formed on the side edges of the slide groove 5. A lock protrusion 21 that engages and disengages is provided, and the lock protrusions 21 face each other in a state where the engagement end 21a of the lock protrusion 21 of the lock member 9 is not engaged in the engagement recess 6 but abuts on the protrusion 6a. Of the engaging end portion 21a and the convex portion 6a,
At least one of them has a pair of slopes 22 that move away from the other as it goes toward both engagement recesses 6 located on both sides of the protrusion 6a.
A locking device for a blade mounting slider in a cutter knife, characterized in that a and 22b are provided. 3 A blade mounting slider 7 is supported movably along the slide groove 5 in the slide groove 5 formed in the handle 1, and the blade 23 can be moved in and out of the slide groove 5 by moving the slider 7. In this cutter knife, the slider 7 is provided with a base 8 to which the blade body 23 is attached, and a lock member 9 that is rotatable with respect to the base 8. A lock protrusion 21 is provided to engage and disengage from a plurality of engagement recesses 6 formed on the side edge, and the base 8 has a recess 1 in which the operating part 9b formed in the lock member 9 is housed so as not to protrude.
5. A locking device for a slider for mounting a blade body in a cutter knife, characterized in that a slider for attaching a blade body to a cutter knife is provided with a locking device.