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JP3587987B2 - Cutting tool - Google Patents
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JP3587987B2 - Cutting tool - Google Patents

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Publication number
JP3587987B2
JP3587987B2 JP18785698A JP18785698A JP3587987B2 JP 3587987 B2 JP3587987 B2 JP 3587987B2 JP 18785698 A JP18785698 A JP 18785698A JP 18785698 A JP18785698 A JP 18785698A JP 3587987 B2 JP3587987 B2 JP 3587987B2
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JP
Japan
Prior art keywords
operation lever
lever
screw member
connection position
bolt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP18785698A
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Japanese (ja)
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JP2000024832A (en
Inventor
道男 奥村
真介 森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Makita Corp
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Makita Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to JP18785698A priority Critical patent/JP3587987B2/en
Publication of JP2000024832A publication Critical patent/JP2000024832A/en
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Publication of JP3587987B2 publication Critical patent/JP3587987B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、本体ハウジングに切断時のガイド部材をスライド可能に備えたレシプロソー等の切断工具に関する。
【0002】
【従来の技術】
上記切断工具、例えばレシプロソーにおいては、本体ハウジングの前方に、被切断材等に当接させるガイドシュー等のガイド部材が備えられる。このガイド部材は、本体ハウジングから突出するブレードと平行且つスライド自在に設けられるスライドシャフトに連結されるが、スライドシャフトは、本体ハウジングに螺合される六角ボルト等のネジ部材によって固定されており、六角ボルトを緩めた状態でスライドシャフトをスライドさせ、再び六角ボルトを締め付けることで、ガイド部材を任意のスライド位置で固定可能としている。
又、この場合、ガイド部材の位置調整に伴う六角ボルトの回動操作に六角レンチ等の工具が必要となり、面倒であることから、本件出願人は、実開平6−31916号公報において、六角ボルトにこれを回動操作可能な操作レバーを装着し、操作レバーの回動操作によって六角ボルトの緊締及び解除を可能として、工具を使わずにガイド部材の位置調整を可能とする考案を提供している。
【0003】
【発明が解決しようとする課題】
しかし、操作レバーが本体ハウジングから突出する角度にあると本体ハウジングが把持しにくく、レシプロソーの取扱の邪魔になることから、組み付け時には、六角ボルトによりスライドシャフトを緊締した時点で、操作レバーが本体ハウジングに沿って設けられた収納部等に丁度納まるように調整する必要がある。しかし、六角ボルトの締付量と操作レバーの角度とを一致させて組み付けるのは面倒で、又、組み付け時は適正な位置でも、緊締と解除とを何度も繰り返すうちに操作レバーの角度がずれてくる場合もある。
【0004】
そこで、請求項1に記載の発明は、操作レバーを利用してガイド部材の位置調整を可能とするのは勿論、緊締時の操作レバーを取り扱いに邪魔にならない角度に簡単に設定可能な切断工具を提供することを目的としたものである。
【0005】
【課題を解決するための手段】
上記目的を達成するために、請求項1に記載の発明は、操作レバーを前記ネジ部材に対して回動自在に装着する一方、前記操作レバーに、前記ネジ部材との連結位置と、前記ネジ部材との非連結位置との間をスライド可能で、常態では前記非連結位置に付勢して設けられるスライドボタンを設けて、前記スライドボタンの前記連結位置へのスライド操作により、前記操作レバーと前記ネジ部材との一体回転状態選択可能としたことを特徴とするものである。
【0006】
【発明の実施の形態】
以下、本発明の実施の形態を図面に基づいて説明する。
図1は、レシプロソーの先端部分の断面説明図で、レシプロソー1は、本体ハウジング2内に、内蔵したモータの駆動により往復動するスライダを有し、そのスライダの先端にブレード3(図4に示す)を連結してなるもので、本体ハウジング2の先端には、ブレード3と平行且つスライド可能に収納されるスライドシャフト5と、そのスライドシャフト5の先端に連結され、ブレード3を直交状に貫通させるシュープレート6とからなるガイドシュー4が装着されている。又、スライドシャフト5は、側面に面取部7を形成している。一方、本体ハウジング2には、ブレード3方向にレバー収納部8が凹設されると共に、そのレバー収納部8の前方に螺合された六角ボルト9の先端がスライドシャフト5の面取部7に当接しており、六角ボルト9のねじ込み量の調整により、スライドシャフト5の押圧固定とその解除とが可能となっている。
【0007】
レバー収納部8において、六角ボルト9には操作レバー11が装着されている。操作レバー11は、六角ボルト9に遊貫される円形の軸支部13と底面部14とからなるレバープレート12と、レバープレート12の底面部14にネジ18によって一体化され、軸支部13上に重合される円筒部17を備えたレバー本体16と、レバー本体16の円筒部17に上下にスライド自在に収納されるスライドボタンとしてのカムボタン20とから構成される。又、レバープレート12の軸支部13には、図2にも示す如く、外周に4つの係止爪15,15・・が立設される一方、上方のカムボタン20においては、合成樹脂製のキャップ21を披着した円筒の下端に、軸支部13の係止爪15,15・・と噛合可能なカム爪22,22・・を等間隔で延設している。更に、カムボタン20は、六角ボルト9の頭部10が挿入可能な内径を有すると共に、図1での上側の内周のみに、六角ボルト9の頭部10が任意に嵌合可能な12角の嵌合部23を形成しており、頭部10とキャップ21との間のコイルスプリング24により、常態では、キャップ21が円筒部17の上端周縁に形成されたストッパ19に当接する非連結位置まで突出している。この非連結位置では、嵌合部23は六角ボルト9の頭部10から離反しているが、カム爪22,22・・は軸支部13の係止爪15,15・・と先端部分で噛合し、カムボタン20の回転を規制している。尚、25はワッシャーである。
一方、レバー本体16内には、コイルスプリング27によってレバープレート12の底面部14から下方へ突出付勢されるボール26が収容されており、レバー収納部8の底面には、操作レバー11がスライドシャフト5と平行となる位置でボール26が嵌合する凹部28が形成されている。
【0008】
以上の如く構成されたレシプロソー1は、カムボタン20を押し込んだ連結位置では、図3の如く、カム爪22,22・・が軸支部13の係止爪15,15・・に完全に噛合すると共に、嵌合部23が六角ボルト9の頭部10に嵌合するため、そのまま操作レバー11を図4の二点鎖線に示すように外側に回転させると、カムボタン20を介して六角ボルト9が回転し、スライドシャフト5の押圧固定を解除できる。そして、シュープレート6が任意の位置にくるようにスライドシャフト5をスライドさせた後、カムボタン20を押し込んだ状態で操作レバー11を本体ハウジング2側へ回転させると、カムボタン20を介して六角ボルト9も回転してスライドシャフト5側へねじ込まれ、スライドシャフト5を押圧固定することができる。そして、カムボタン20の押圧を解除すると、コイルスプリング24の付勢でカムボタン20は図1の非連結位置へ復帰して、嵌合部23を六角ボルト9の頭部10から離反させるため、操作レバー11は六角ボルト9で軸支される回転フリー状態となる。よって、六角ボルト9のねじ込み量が不足している場合には、操作レバー11をフリー状態のまま外側へ回転させ、当該位置でカムボタン20を押込めば、六角ボルト9の増し締めが可能となる。又、ねじ込み終了時の操作レバー11の角度が本体ハウジング2から突出している場合も、カムボタン20の押込みを解除すれば、フリーとなった操作レバー11をレバー収納部8内に収納することができる。尚、このとき、ボール26が凹部28に嵌合して収納時の位置決めとなる。
【0009】
このように上記形態によれば、カムボタン20の操作によって操作レバー11による六角ボルト9の緊締とその解除とが簡単且つ確実に可能となるため、工具なしでガイドシュー4の位置調整が行えるのは勿論、ガイドシュー4の位置調整終了時に操作レバー11が本体ハウジング2から突出する中途半端な角度にあっても、レバー収納部8に簡単に収納でき、操作性に影響を与えることがない。又、組み付け時に操作レバー11の角度を考慮する必要がなくなるから、適当に組み付けた後でも簡単にレバー収納部8に納めることができ、製造時の手間も解消される。
尚、カムボタン20と操作レバー11との連結は上記形態に限定するものでなく、爪同士以外にも、凹凸形状やピンと孔等による連結構造であっても差し支えない。
又、上記形態では、連結手段として六角ボルト9の頭部10に対して嵌合するカムボタン20を採用しているが、このような独立した部材によるものに限らず、例えば、ネジ部材に軸着される操作レバーの孔を、ボルト頭部を狭持可能な溝部と、その溝部と連続して形成され、ボルト頭部の狭持を解除してフリーとなる丸孔とからなる鍵穴状として,ボルト頭部に対して操作レバー自体を直交状にずらせることで、ボルトとの連結と解除とを行う構造等も考えられる。
【0010】
【発明の効果】
請求項1に記載の発明によれば、操作レバーを前記ネジ部材に対して回動自在に装着する一方、前記操作レバーに前記スライドボタンを設けたことで、操作レバーとネジ部材との連結とその解除とが任意に選択可能となる。よって、レンチ等の工具なしでガイド部材の位置調整が行えるのは勿論、操作レバーをフリーにして邪魔にならない角度に簡単に変更できるため、ガイド部材の位置調整終了時に操作レバーが本体ハウジングから突出する位置にあっても、操作性に影響を与えることがない。又、組み付け時においても、操作レバーの角度を考慮して行う必要がなく、組み付け後に簡単に修正できるため、製造に係る手間も軽減することができる。
特に、常態では前記非連結位置に付勢して設けられるスライドボタンとしたことで、ネジ部材の緊締と解除操作を簡単且つ確実に行うことができる。
【図面の簡単な説明】
【図1】レシプロソーの一部縦断面図である。
【図2】操作レバーの軸着部分の平面説明図である。
【図3】カムボタンの連結位置での操作レバーの拡大断面図である。
【図4】レシプロソーの先端部分の説明図である。
【符号の説明】
1・・レシプロソー、2・・本体ハウジング、4・・ガイドシュー、5・・スライドシャフト、6・・シュープレート、8・・レバー収納部、9・・六角ボルト、10・・頭部、11・・操作レバー、12・・レバープレート、15・・係止爪、20・・カムボタン、22・・カム爪。
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cutting tool such as a reciprocating saw provided with a guide member at the time of cutting in a body housing so as to be slidable.
[0002]
[Prior art]
In the above-mentioned cutting tool, for example, a reciprocating saw, a guide member such as a guide shoe is provided in front of the main body housing to be brought into contact with a material to be cut. This guide member is connected to a slide shaft provided in parallel and slidably with a blade protruding from the main body housing.The slide shaft is fixed by a screw member such as a hexagon bolt screwed to the main body housing, By sliding the slide shaft with the hexagon bolts loosened and tightening the hexagon bolts again, the guide member can be fixed at any sliding position.
Further, in this case, a tool such as a hexagon wrench is required for rotating the hexagon bolt to adjust the position of the guide member, which is troublesome. To provide a device that can be rotated and operated by attaching an operation lever, and that the operation of the operation lever allows the hexagon bolt to be tightened and released, thereby enabling the position of the guide member to be adjusted without using a tool. I have.
[0003]
[Problems to be solved by the invention]
However, if the operation lever is at an angle protruding from the main body housing, the main body housing is difficult to grasp and hinders handling of the reciprocating saw. It is necessary to make adjustments so as to just fit in a storage section or the like provided along. However, it is troublesome to assemble with the tightening amount of the hexagon bolt and the angle of the operation lever matched.In addition, at the time of assembling, even if the operation lever angle is repeatedly adjusted and released many times, It may shift.
[0004]
In view of the above, according to the first aspect of the present invention, it is possible to adjust the position of the guide member by using the operation lever, and also to easily set the operation lever at the time of tightening to an angle which does not hinder handling. The purpose is to provide.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is characterized in that an operation lever is rotatably mounted on the screw member, while the operation lever has a connection position with the screw member, and It is slidable between a non-connection position with a member, and a slide button is provided which is normally urged to the non-connection position, and a slide operation of the slide button to the connection position allows the operation lever and it is characterized in that it has a selectable integral rotation state of the screw member.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an explanatory cross-sectional view of a tip portion of the reciprocating saw. The reciprocating saw 1 has a slider that reciprocates by driving a built-in motor in a main body housing 2, and a blade 3 (shown in FIG. A slide shaft 5 which is accommodated parallel to and slidably with the blade 3 at the tip of the main body housing 2 and which is connected to the tip of the slide shaft 5 and penetrates the blade 3 orthogonally. A guide shoe 4 including a shoe plate 6 to be mounted is mounted. Further, the slide shaft 5 has a chamfer 7 on the side surface. On the other hand, a lever housing 8 is recessed in the direction of the blade 3 in the main body housing 2, and a tip of a hexagon bolt 9 screwed forward of the lever housing 8 is attached to the chamfer 7 of the slide shaft 5. The slide shaft 5 can be pressed and fixed and released by adjusting the screwing amount of the hexagon bolt 9.
[0007]
An operation lever 11 is mounted on the hexagon bolt 9 in the lever storage section 8. The operating lever 11 is integrated with a lever plate 12 composed of a circular shaft support portion 13 and a bottom surface portion 14 that are loosely penetrated by the hexagon bolt 9 and a bottom surface portion 14 of the lever plate 12 by screws 18. It comprises a lever main body 16 having a cylindrical portion 17 to be superimposed, and a cam button 20 as a slide button housed in the cylindrical portion 17 of the lever main body 16 so as to be slidable up and down. As shown in FIG. 2, four engaging claws 15, 15... Are erected on the outer periphery of the shaft support 13 of the lever plate 12, while a cap made of synthetic resin is provided on the upper cam button 20. At the lower end of the cylinder on which the cam 21 is mounted, cam claws 22, 22,... Which can be engaged with the locking claws 15, 15,. Further, the cam button 20 has an inner diameter into which the head 10 of the hexagonal bolt 9 can be inserted, and a 12-sided hexagonal bolt 9 to which the head 10 of the hexagonal bolt 9 can be arbitrarily fitted only on the upper inner periphery in FIG. The fitting portion 23 is formed, and the cap 21 is normally brought to a non-connection position where the cap 21 abuts on a stopper 19 formed on the peripheral edge of the upper end of the cylindrical portion 17 by the coil spring 24 between the head 10 and the cap 21. It is protruding. In this unconnected position, the fitting portion 23 is separated from the head 10 of the hexagonal bolt 9, but the cam claws 22, 22... Mesh with the locking claws 15, 15. In addition, the rotation of the cam button 20 is restricted. In addition, 25 is a washer.
On the other hand, a ball 26 that is urged downward from the bottom portion 14 of the lever plate 12 by a coil spring 27 is housed in the lever body 16, and the operation lever 11 slides on the bottom surface of the lever housing portion 8. A recess 28 into which the ball 26 fits is formed at a position parallel to the shaft 5.
[0008]
In the reciprocating saw 1 configured as described above, at the connection position where the cam button 20 is pushed in, the cam claws 22 are completely engaged with the locking claws 15 of the shaft support portion 13 as shown in FIG. Since the fitting portion 23 is fitted into the head 10 of the hexagon bolt 9, when the operation lever 11 is rotated outward as shown by the two-dot chain line in FIG. 4, the hexagon bolt 9 is rotated via the cam button 20. Then, the pressing and fixing of the slide shaft 5 can be released. Then, after the slide shaft 5 is slid so that the shoe plate 6 is at an arbitrary position, the operation lever 11 is rotated toward the main body housing 2 in a state where the cam button 20 is depressed. Is also rotated and screwed into the slide shaft 5 side, so that the slide shaft 5 can be pressed and fixed. When the pressing of the cam button 20 is released, the cam button 20 is returned to the non-connection position in FIG. 1 by the urging of the coil spring 24 and the fitting portion 23 is separated from the head 10 of the hexagonal bolt 9. Reference numeral 11 denotes a rotation free state supported by the hexagon bolt 9. Therefore, if the screwing amount of the hexagon bolt 9 is insufficient, the operating lever 11 is rotated outward in the free state, and the cam button 20 is pushed in at the position, so that the hexagon bolt 9 can be further tightened. . Further, even when the angle of the operation lever 11 at the end of the screwing is protruding from the main body housing 2, if the pushing of the cam button 20 is released, the free operation lever 11 can be stored in the lever storage portion 8. . At this time, the ball 26 fits into the concave portion 28 to perform positioning at the time of storage.
[0009]
As described above, according to the above embodiment, the operation of the cam button 20 makes it possible to easily and reliably tighten the hexagon bolt 9 by the operation lever 11 and release the same, so that the position of the guide shoe 4 can be adjusted without tools. Of course, even when the operation lever 11 is at a halfway angle protruding from the main housing 2 when the position adjustment of the guide shoe 4 is completed, the operation can be easily stored in the lever storage portion 8 without affecting the operability. In addition, since it is not necessary to consider the angle of the operation lever 11 when assembling, it is possible to easily store the operation lever 11 in the lever storage section 8 even after appropriately assembling, and the labor at the time of manufacturing is also eliminated.
Note that the connection between the cam button 20 and the operation lever 11 is not limited to the above-described embodiment, but may be a connection structure using an uneven shape, a pin and a hole, or the like, other than the claws.
Further, in the above-described embodiment, the cam button 20 fitted to the head 10 of the hexagon bolt 9 is adopted as the connecting means. However, the present invention is not limited to such an independent member. The hole of the operating lever is formed as a keyhole consisting of a groove that can hold the bolt head and a round hole that is formed continuously with the groove and that releases the bolt head and releases the bolt. It is also conceivable that the operating lever itself is displaced orthogonally to the bolt head to connect and disconnect with the bolt.
[0010]
【The invention's effect】
According to the first aspect of the present invention, the operation lever is rotatably mounted on the screw member, and the slide lever is provided on the operation lever, so that the connection between the operation lever and the screw member can be improved. Release can be arbitrarily selected . Therefore, not only can the position of the guide member be adjusted without using a tool such as a wrench, but also the operation lever can be easily changed to an angle that does not interfere with the operation lever. The operability is not affected even if it is in the position where it is performed. Also, at the time of assembling, it is not necessary to take into account the angle of the operation lever, and it can be easily corrected after assembling, so that the labor involved in manufacturing can be reduced.
In particular, in a normal state, the slide button is provided to be biased to the non-connection position, so that the tightening and releasing operation of the screw member can be performed easily and reliably.
[Brief description of the drawings]
FIG. 1 is a partial longitudinal sectional view of a reciprocating saw.
FIG. 2 is an explanatory plan view of a shaft attachment portion of an operation lever.
FIG. 3 is an enlarged sectional view of an operation lever at a connecting position of a cam button.
FIG. 4 is an explanatory view of a tip portion of the reciprocating saw.
[Explanation of symbols]
1. Reciprocating saw, 2. Body housing, 4. Guide shoe, 5. Slide shaft, 6. Shoe plate, 8. Lever storage, 9, Hex bolt, 10. Head, 11. -Operation lever, 12-Lever plate, 15-Locking pawl, 20-Cam button, 22-Cam pawl.

Claims (1)

本体ハウジングに、ガイド部材をスライド可能に設けると共に、前記ガイド部材を固定するネジ部材を螺合し、前記ネジ部材に、そのネジ部材を回動操作するための操作レバーを装着した切断工具であって、
前記操作レバーを前記ネジ部材に対して回動自在に装着する一方、前記操作レバーに、前記ネジ部材との連結位置と、前記ネジ部材との非連結位置との間をスライド可能で、常態では前記非連結位置に付勢して設けられるスライドボタンを設けて、前記スライドボタンの前記連結位置へのスライド操作により、前記操作レバーと前記ネジ部材との一体回転状態選択可能としたことを特徴とする切断工具。
A cutting tool in which a guide member is slidably provided in a main body housing, a screw member for fixing the guide member is screwed, and an operation lever for rotating the screw member is mounted on the screw member. hand,
The operation lever is rotatably mounted on the screw member, while the operation lever is slidable between a connection position with the screw member and a non-connection position with the screw member. A slide button biased to the non-connection position is provided, and a slide operation of the slide button to the connection position enables selection of an integrated rotation state of the operation lever and the screw member. And cutting tools.
JP18785698A 1998-07-02 1998-07-02 Cutting tool Expired - Fee Related JP3587987B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18785698A JP3587987B2 (en) 1998-07-02 1998-07-02 Cutting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18785698A JP3587987B2 (en) 1998-07-02 1998-07-02 Cutting tool

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JP2000024832A JP2000024832A (en) 2000-01-25
JP3587987B2 true JP3587987B2 (en) 2004-11-10

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JP4276017B2 (en) * 2003-07-30 2009-06-10 株式会社マキタ Cutting tool
JP5315968B2 (en) * 2008-12-12 2013-10-16 日立工機株式会社 Portable cutting machine

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JPS6231250Y2 (en) * 1984-12-18 1987-08-11
JP2596676Y2 (en) * 1992-09-28 1999-06-21 株式会社マキタ Guide shoe fixing structure for reciprocating saw
JPH073970U (en) * 1993-06-22 1995-01-20 住友電気工業株式会社 Torque Wrench
JPH08155730A (en) * 1994-12-12 1996-06-18 Makita Corp Base mounting structure in cutting tool

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