JPH0362721U - - Google Patents
Info
- Publication number
- JPH0362721U JPH0362721U JP12349089U JP12349089U JPH0362721U JP H0362721 U JPH0362721 U JP H0362721U JP 12349089 U JP12349089 U JP 12349089U JP 12349089 U JP12349089 U JP 12349089U JP H0362721 U JPH0362721 U JP H0362721U
- Authority
- JP
- Japan
- Prior art keywords
- constant speed
- electric motor
- housing
- gear case
- reciprocating
- 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.)
- Pending
Links
Landscapes
- Sawing (AREA)
Description
第１図は本考案になる定速度制御回路付レシプ
ロソーの一実施例を示す断面図、第２図は電動機
の特性を（電流−回路数）で表わしたグラフであ
り、点線は定速度制御回路がない場合、実線はあ
る場合、一点鎖線は従来のレシプロソーの特性で
ある。
図において、１……ハウジング、２……電動機
、３……ギヤケース、４……ピニオン、５……ス
ピンドル、６……従動ギア、７……クランクピン
、８……クランク枠、９……プランジヤ、１０…
…のこ刃、１１……コントローラ、１２……回転
子、１３……回転数検出器、１４……定速度制御
回路である。
Fig. 1 is a sectional view showing an embodiment of a reciprocating saw with a constant speed control circuit according to the present invention, and Fig. 2 is a graph showing the characteristics of the motor in terms of (current - number of circuits), and the dotted line is a constant speed control circuit. If not, the solid line is the characteristic of a conventional reciprocating saw. In the figure, 1... Housing, 2... Electric motor, 3... Gear case, 4... Pinion, 5... Spindle, 6... Driven gear, 7... Crank pin, 8... Crank frame, 9... Plunger. , 10...
... saw blade, 11 ... controller, 12 ... rotor, 13 ... rotation speed detector, 14 ... constant speed control circuit.
Claims (1)
スを設け、該ギヤケース内部に減速歯車と電動機
の回転運動をプランジヤの直線往復運動に変換す
るクランク機構を設け、往復運動する前記プラン
ジヤの先端に取付けられ、前記ギヤケース前部か
ら突き出して往復運動するのこ刃によつてパイプ
等を切断するレシプロソーにおいて、前記ハウジ
ング内に、前記電動機の回転数を無負荷−実用範
囲内でのこ刃の共振点以下の一定の回転数に制御
するための定速度制御装置を内蔵したことを特徴
とする定速度制御回路付レシプロソー。 A gear case is provided in the front part of the housing housing the electric motor, and a reduction gear and a crank mechanism for converting the rotational motion of the electric motor into linear reciprocating motion of the plunger are provided inside the gear case, and the crank mechanism is installed at the tip of the reciprocating plunger. In a reciprocating saw that cuts pipes, etc. with a saw blade that protrudes from the front of the gear case and moves reciprocatingly, the number of revolutions of the electric motor is set within the housing at a constant speed below the resonance point of the saw blade within the no-load - practical range. A reciprocating saw with a constant speed control circuit, characterized in that it has a built-in constant speed control device for controlling the rotation speed to .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12349089U JPH0362721U (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12349089U JPH0362721U (en) | 1989-10-20 | 1989-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0362721U true JPH0362721U (en) | 1991-06-19 |
Family
ID=31671464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12349089U Pending JPH0362721U (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0362721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200477679Y1 (en) * | 2014-02-28 | 2015-07-08 | 하상균 | A folding toothpick for advertisement having a dental floss function |
-
1989
- 1989-10-20 JP JP12349089U patent/JPH0362721U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200477679Y1 (en) * | 2014-02-28 | 2015-07-08 | 하상균 | A folding toothpick for advertisement having a dental floss function |
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