JPS625289Y2 - - Google Patents
Info
- Publication number
- JPS625289Y2 JPS625289Y2 JP18218982U JP18218982U JPS625289Y2 JP S625289 Y2 JPS625289 Y2 JP S625289Y2 JP 18218982 U JP18218982 U JP 18218982U JP 18218982 U JP18218982 U JP 18218982U JP S625289 Y2 JPS625289 Y2 JP S625289Y2
- Authority
- JP
- Japan
- Prior art keywords
- circular saw
- main body
- saw blade
- cutting
- cutting operation
- 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
Links
- 238000005520 cutting process Methods 0.000 claims description 40
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Sawing (AREA)
Description
【考案の詳細な説明】
この考案は木材等の切断に使用する卓上丸鋸盤
のための安全装置に関するもので、その目的は切
断作業の開始前にはワークを切断するために上下
動される丸鋸刃の下動を規制して丸鋸刃を上動位
置にロツクし、かつ、安全カバーによつて丸鋸刃
を覆蓋する一方、切断作業の開始時には丸鋸刃の
下動規制を解除し、かつ、丸鋸刃の一部を露出し
て、ワークに対する切断作業の安全性を高めうる
卓上丸鋸盤のための安全装置を提供することであ
る。[Detailed description of the invention] This invention relates to a safety device for a tabletop circular saw used for cutting wood, etc. Its purpose is to move up and down to cut the workpiece before the cutting operation begins. The downward movement of the circular saw blade is restricted and the circular saw blade is locked in the upward movement position, and the circular saw blade is covered by a safety cover, while the downward movement restriction of the circular saw blade is released at the start of cutting work. To provide a safety device for a table-top circular saw machine that can expose a part of the circular saw blade to improve the safety of cutting work on a workpiece.
続いて、本考案の一実施例を図面に従つて説明
すると、図中、１は卓上丸鋸盤Ｍのテーブル、２
はテーブル１上に取着された支持部材であつて、
その図示右側上部付近には係止孔３が傾斜状に凹
設されている。 Next, an embodiment of the present invention will be described with reference to the drawings. In the drawing, 1 is a table of a tabletop circular saw machine M,
is a support member attached to the table 1,
A locking hole 3 is recessed in an inclined manner near the upper right side in the figure.
４は支持部材２の上端に対し支持ボルト５を介
して上下方向への傾動可能で、下傾位置からの自
動復帰可能に支持された本体であつて、その中央
部付近には同部付近に対し横状に取着されたモー
タ６を介して駆動される丸鋸刃７が垂直状に可転
軸支されていて、丸鋸刃７の切断動作の開始前に
は本体４は上傾位置に保持される一方、ワークを
切断するときには丸鋸刃７を下動するために下傾
される。 Reference numeral 4 denotes a main body that is supported to be tiltable in the vertical direction via a support bolt 5 with respect to the upper end of the support member 2, and to be able to automatically return from a downwardly tilted position. On the other hand, a circular saw blade 7 driven by a motor 6 mounted laterally is vertically rotatably supported, and before the cutting operation of the circular saw blade 7 starts, the main body 4 is in an upwardly tilted position. On the other hand, it is tilted downward to move the circular saw blade 7 downward when cutting a workpiece.
８は丸鋸刃７の図示左側刃先付近と上側刃先付
近とを覆蓋するために本体４に並着されたブレー
ドケースであつて、その上端部付近には傾動操作
用のハンドル９が取着され、図示右方に延出され
ている。 A blade case 8 is attached to the main body 4 in order to cover the vicinity of the left cutting edge and the upper cutting edge of the circular saw blade 7, and a handle 9 for tilting operation is attached near the upper end of the blade case. , extends to the right in the figure.
１０は丸鋸刃７の図示右下側刃先７ａ付近を露
出可能に覆蓋するために本体４のモータハウジン
グ４ａの先端に対し丸鋸刃７と同心状の回動可能
に装着された安全カバーであつて、ほぼ扇形状の
基部１０ａの周端には丸鋸刃７の刃先円に沿つて
湾曲された円弧状の覆蓋部１０ｂが曲折形成さ
れ、切断動作の開始前には本体４に止着されたビ
ス１１と基部１０ａの中央部付近に止着されたビ
ス１２との間に掛装されたスプリング１３に付勢
されて丸鋸刃７の右下側刃先７ａ付近を全閉状に
覆蓋する一方、ワーク切断時には切断動作の進行
に追従して安全カバー１０は同カバー１０の端縁
に当接するワークに押動されて反時計方向に回動
され、ブレードケース８内に退避するとともに、
丸鋸刃７が順次露出される。 Reference numeral 10 denotes a safety cover rotatably attached to the tip of the motor housing 4a of the main body 4 so as to be able to rotate concentrically with the circular saw blade 7 in order to expose the vicinity of the cutting edge 7a on the lower right side of the circular saw blade 7 in the figure. An arcuate cover portion 10b curved along the cutting edge circle of the circular saw blade 7 is formed on the peripheral edge of the substantially fan-shaped base portion 10a, and is fixed to the main body 4 before the cutting operation starts. The lower right cutting edge 7a of the circular saw blade 7 is completely covered by the force of a spring 13 hung between the screw 11 that has been inserted and the screw 12 that is fixed near the center of the base 10a. On the other hand, when cutting a workpiece, the safety cover 10 is pushed and rotated counterclockwise by the workpiece that comes into contact with the edge of the cover 10 as the cutting operation progresses, and is retracted into the blade case 8.
The circular saw blades 7 are sequentially exposed.
１４は本体４のハンドル９に対しピン１５を介
して揺動可能に並設された操作レバであつて、そ
の図示左端には押動ピン１６が横出されている。 Reference numeral 14 denotes an operating lever that is swingably arranged in parallel with the handle 9 of the main body 4 via a pin 15, and a push pin 16 is laterally protruded from the left end in the figure.
１７は本体４の図示右上端付近に対しビス１８
を介して揺動可能に取着された第１リンク片であ
つて、その右端付近は操作レバ１４の押動ピン１
６に対し連動可能に当接され、ハンドル９と操作
レバ１４とを握持して操作レバ１４を反時計方向
に揺動したときにはビス１８を支点として時計方
向に揺動される。 17 is a screw 18 near the upper right end of the main body 4 in the figure.
The first link piece is swingably attached through the
6, and when the handle 9 and the operating lever 14 are grasped and the operating lever 14 is swung counterclockwise, it is swung clockwise about the screw 18 as a fulcrum.
１９は第１リンク片１７の左端付近にピン２０
を介して連節された第２リンク片、２１は第２リ
ンク片１９の下端にピン２２を介して連節されか
つ本体４の下端付近にビス２３を介して揺動可能
に取着された第３リンク片であつて、操作レバ１
４の反時計方向への揺動時に第１，第２リンク片
１７，１９を介して連動し、ビス２３を支点とし
て時計方向へ揺動される。 19 is a pin 20 near the left end of the first link piece 17.
The second link piece 21 is connected to the lower end of the second link piece 19 via a pin 22 and is swingably attached to the vicinity of the lower end of the main body 4 via a screw 23. The third link piece is the operating lever 1
4 is interlocked via the first and second link pieces 17 and 19, and is swung clockwise about the screw 23 as a fulcrum.
２４は第３リンク片２１の中央部付近にビス２
６を介して取着されたロツクピンであつて、支持
部材２の係止孔３に対し係脱可能に係合するため
に係止孔３に向つて延出され、切断動作の開始前
には前進したロツクピン２４の先端２４ａが係止
孔３内に係入されて、本体４を回動規制して上傾
位置にロツクする一方、切断動作の開始に先立つ
て操作レバ１４を反時計方向に揺動したときには
各リンク片１７，１９，２１を介してロツクピン
２４が図示右上方に後退して先端２４ａが係止孔
３から脱抜され、本体４に対するロツクが解除さ
れる。 24 is a screw 2 near the center of the third link piece 21.
6, the locking pin extends toward the locking hole 3 in order to removably engage with the locking hole 3 of the support member 2, and is extended toward the locking hole 3 before the start of the cutting operation. The tip 24a of the advanced locking pin 24 is engaged in the locking hole 3, restricting rotation of the main body 4 and locking it in the upwardly tilted position, while the operation lever 14 is moved counterclockwise before starting the cutting operation. When the lock pin 24 swings, the lock pin 24 retreats to the upper right in the drawing via the link pieces 17, 19, 21, the tip 24a is removed from the locking hole 3, and the lock to the main body 4 is released.
２５は常には時計方向に付勢される安全カバー
１０を牽引して、切断動作の開始に先立つて初期
回動するための索条であつて、その内端部は安全
カバー１０の前記ビス１２に繋止される一方、そ
の外端部は第１リンク片１７左端のビス２７に繋
止され、切断動作の開始に先立つて操作レバ１４
を揺動して第１リンク片１７を時計方向に揺動し
たときには丸鋸刃７下端の初期切断部７０が本体
４に対するロツクピン２４のロツク解除と同期し
て露出され、この初期切断部７０の露出後に丸鋸
刃７を切断動作の進行に追従して露出するために
ワークに押動されて回動される安全カバー１０の
退避動作が開始される。 Reference numeral 25 denotes a cable for pulling the safety cover 10, which is normally biased clockwise, for initial rotation prior to the start of the cutting operation, and the inner end thereof is attached to the screw 12 of the safety cover 10. At the same time, its outer end is connected to a screw 27 at the left end of the first link piece 17, and the operation lever 14 is connected to the screw 27 at the left end of the first link piece 17.
When the first link piece 17 is swung clockwise, the initial cutting portion 70 at the lower end of the circular saw blade 7 is exposed in synchronization with the unlocking of the lock pin 24 from the main body 4. After the exposure, the retracting operation of the safety cover 10, which is pushed and rotated by the workpiece, is started in order to expose the circular saw blade 7 following the progress of the cutting operation.
次に、上記した構成をもつ実施例の作用と効果
を説明する。 Next, the operation and effects of the embodiment having the above configuration will be explained.
まず、切断動作開始前の状態では操作レバ１４
はスプリング１３に付勢されて図示下傾位置に保
持されるとともに、ロツクピン２４が係止孔３内
に係合されていて、本体４が上傾位置にロツクさ
れるとともに、丸鋸刃７の右下側刃先７ａ付近が
安全カバー１０にて全閉状に覆蓋されている（第
５図の鎖線参照）。 First, in the state before starting the cutting operation, the operating lever 14
is biased by the spring 13 and held in the downwardly inclined position shown in the figure, and the locking pin 24 is engaged in the locking hole 3, so that the main body 4 is locked in the upwardly inclined position, and the circular saw blade 7 is held in the downwardly inclined position. The vicinity of the lower right cutting edge 7a is completely covered with a safety cover 10 (see the chain line in FIG. 5).
次に、ワークに対する切断動作を開始するため
にハンドル９と操作レバ１４とを握持して操作レ
バ１４を反時計方向に揺動すると、ロツクピン２
４が各リンク片１７，１９，２１を介して後退し
て本体４に対する回動規制が解除されると同時
に、安全カバー１０が第１リンク片１７と連動す
る索条２５に牽引されて反時計方向に若干回動
し、丸鋸刃７の初期切断部７０が露出され、さら
に、本体４を時計方向に下傾して切断動作を開始
すると、安全カバー１０がワークに押動されて丸
鋸刃７が順次露出され、丸鋸刃７の切断動作を遂
行することができる。 Next, in order to start cutting the workpiece, the handle 9 and the operating lever 14 are grasped and the operating lever 14 is swung counterclockwise.
4 retreats through each of the link pieces 17, 19, and 21, and the rotation restriction on the main body 4 is released, and at the same time, the safety cover 10 is pulled by the cable 25 interlocking with the first link piece 17 and rotates counterclockwise. When the main body 4 is tilted downward in a clockwise direction and the cutting operation is started, the safety cover 10 is pushed by the workpiece and the circular saw The blades 7 are sequentially exposed and the cutting operation of the circular saw blade 7 can be performed.
なお、切断動作の完了後は本体４が上傾位置に
自動復帰して、ロツクピン２４が係止孔３に係合
されかつ安全カバー１０が原位置に自動復帰し、
切断動作開始前の状態が再現される。 After the cutting operation is completed, the main body 4 automatically returns to the upwardly tilted position, the locking pin 24 is engaged with the locking hole 3, and the safety cover 10 automatically returns to its original position.
The state before the start of the cutting operation is reproduced.
従つて、切断動作の開始前には丸鋸刃７の下動
を確実に規制し、しかも、丸鋸刃７の有効切断部
位を確実に覆蓋して丸鋸刃７の切断動作を二重に
規制し、切断作業開始前の安全性を確保しうると
ともに、とくに初期の切断作業を安全に開始しう
る効果がある。 Therefore, before starting the cutting operation, the downward movement of the circular saw blade 7 is reliably regulated, and the effective cutting area of the circular saw blade 7 is surely covered, thereby doubling the cutting operation of the circular saw blade 7. This has the effect of not only ensuring safety before starting the cutting operation, but also allowing the initial cutting operation to be started safely.
すなわち、本考案は卓上丸鋸盤のテーブル上に
対し上下方向への傾動可能に軸支された本体には
この本体に対し垂直状に可転軸支された丸鋸刃の
一部を覆蓋するための安全カバーが前記丸鋸刃を
切断動作の進行に追従して露出するために前記丸
鋸と同心状で回動可能に装着された丸鋸刃におい
て、前記本体を傾動操作するためのハンドルに対
し揺動可能に並設された操作レバーと、前記テー
ブル側に設けた係止孔に対し前記本体を上傾位置
にロツクするために係脱可能に係合されるロツク
ピンとをリンク機構を介して連動可能に連係する
とともに、前記操作レバーと、切断動作の開始に
先立つて前記安全カバーを回動して前記丸鋸刃の
初期切断部を露出するための初期回動手段とを前
記リンク機構を介して連動可能に連係したことに
よつて、切断作業開始前の安全性を確保しうると
ともに、とくに、切断開始時の作業の安全性を高
めうるため、卓上丸鋸盤のための安全装置として
極めて実用的に優れた考案である。 That is, in the present invention, a main body of a tabletop circular saw machine that is pivotally supported so as to be tiltable vertically with respect to the table top covers a part of a circular saw blade that is pivotably supported perpendicularly to the main body. A handle for tilting the main body in a circular saw blade in which a safety cover is rotatably mounted concentrically with the circular saw to expose the circular saw blade in accordance with the progress of the cutting operation. A link mechanism is used to connect operating levers that are arranged in parallel so as to be able to swing, and a lock pin that is removably engaged with a locking hole provided on the table side to lock the main body in an upwardly tilted position. the operating lever and an initial rotation means for rotating the safety cover to expose the initial cutting portion of the circular saw blade prior to the start of a cutting operation; By interlocking each other through a mechanism, it is possible to ensure safety before starting the cutting operation, and in particular, it is possible to improve the safety of the operation at the beginning of the cutting operation. This is an extremely practical device.
図面は本考案の一実施例を示すもので、第１図
は卓上丸鋸盤の側面図、第２図は第１図のＸ−Ｘ
線断面図、第３図は同じくＹ−Ｙ線断面図、第４
図は同じくＺ−Ｚ線断面図、第５図は安全カバー
およびリンク機構の動作説明図である。
１……テーブル、３……係止孔、４……本体、
７……丸鋸刃、７０……初期切断部、９……ハン
ドル、１４……操作レバ、１７，１９，２１……
リンク片、２５……索条。
The drawings show one embodiment of the present invention; Fig. 1 is a side view of a tabletop circular saw, and Fig. 2 is a cross-sectional view taken along line X-X in Fig. 1.
Line sectional view, Figure 3 is also a Y-Y line sectional view, Figure 4
The figure is also a sectional view taken along the Z-Z line, and FIG. 5 is an explanatory diagram of the operation of the safety cover and the link mechanism. 1... table, 3... locking hole, 4... main body,
7...Circular saw blade, 70...Initial cutting section, 9...Handle, 14...Operation lever, 17, 19, 21...
Link piece, 25... cable.
Claims (1)
動可能に軸支された本体にはこの本体に対し垂直
状に可転軸支された丸鋸刃の一部を覆蓋するため
の安全カバーが前記丸鋸刃を切断動作の進行に追
従して露出するために前記丸鋸と同心状で回動可
能に装着された丸鋸盤において、前記本体を傾動
操作するためのハンドルに対し揺動可能に並設さ
れた操作レバーと、前記テーブル側に設けた係止
孔に対し前記本体を上傾位置にロツクするために
係脱可能に係合されるロツクピンとをリンク機構
を介して連動可能に連係するとともに、前記操作
レバーと、切断動作の開始に先立つて前記安全カ
バーを回動して前記丸鋸刃の初期切断部を露出す
るための初期回動手段とを前記リンク機構を介し
て連動可能に連係したことを特徴とする卓上丸鋸
盤のための安全装置。 The main body of a tabletop circular saw machine is pivotably supported so as to be tiltable vertically relative to the table, and there is a safety cover that covers a part of the circular saw blade that is rotatably pivotably supported perpendicular to the main body. A circular saw machine is rotatably mounted concentrically with the circular saw in order to expose the circular saw blade in accordance with the progress of the cutting operation, and is swingable with respect to a handle for tilting the main body. Operation levers arranged in parallel to each other and a lock pin that is removably engaged with a locking hole provided on the table side in order to lock the main body in an upwardly tilted position can be interlocked via a link mechanism. and the operating lever and an initial rotation means for rotating the safety cover to expose an initial cutting portion of the circular saw blade prior to the start of a cutting operation are interlocked via the link mechanism. A safety device for a tabletop circular saw machine, which is characterized in that it can be linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18218982U JPS5983505U (en) | 1982-11-30 | 1982-11-30 | Safety device for tabletop circular saw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18218982U JPS5983505U (en) | 1982-11-30 | 1982-11-30 | Safety device for tabletop circular saw machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5983505U JPS5983505U (en) | 1984-06-06 |
| JPS625289Y2 true JPS625289Y2 (en) | 1987-02-06 |
Family
ID=30394613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18218982U Granted JPS5983505U (en) | 1982-11-30 | 1982-11-30 | Safety device for tabletop circular saw machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5983505U (en) |
-
1982
- 1982-11-30 JP JP18218982U patent/JPS5983505U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5983505U (en) | 1984-06-06 |
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