JPS6450698U - - Google Patents
Info
- Publication number
- JPS6450698U JPS6450698U JP1987146948U JP14694887U JPS6450698U JP S6450698 U JPS6450698 U JP S6450698U JP 1987146948 U JP1987146948 U JP 1987146948U JP 14694887 U JP14694887 U JP 14694887U JP S6450698 U JPS6450698 U JP S6450698U
- Authority
- JP
- Japan
- Prior art keywords
- trigger
- resistance value
- pull
- band
- variable resistor
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Adjustable Resistors (AREA)
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案の一実施例を示す変速スイツチ
基板組立体の平面図、第２図は従来の変速スイツ
チの一部切欠側面図、第３図は従来の変速スイツ
チ基板組立体の平面図、第４図は同回路図、第５
図は可変抵抗の抵抗値とモータの回転数の関係を
示す特性曲線図である。
１は変速スイツチ、３はトリガ、５はブラシ、
６は基板組立体、７は基板、９は可変抵抗、９ａ
は抵抗体、１０はサイリスタ、２０はモータ。
FIG. 1 is a plan view of a speed change switch board assembly showing an embodiment of the present invention, FIG. 2 is a partially cutaway side view of a conventional speed change switch, and FIG. 3 is a plan view of a conventional speed change switch board assembly. , Figure 4 is the same circuit diagram, Figure 5
The figure is a characteristic curve diagram showing the relationship between the resistance value of the variable resistor and the rotation speed of the motor. 1 is the gear switch, 3 is the trigger, 5 is the brush,
6 is a board assembly, 7 is a board, 9 is a variable resistor, 9a
is a resistor, 10 is a thyristor, and 20 is a motor.
Claims (1)
をブラシが移動し抵抗値を増加させるようにした
可変抵抗と、該可変抵抗の抵抗値の変化によりモ
ータの回転数を制御するようにしたサイリスタと
を有する変速スイツチにおいて、上記帯状の抵抗
体を上記トリガの引き代に応じて幅が漸次狭くな
るように形成したことを特徴とする変速スイツチ
。 A variable resistor whose brush moves on the surface of a band-shaped resistor to increase the resistance value in conjunction with the pull of the trigger, and the rotation speed of the motor is controlled by changing the resistance value of the variable resistor. 1. A speed change switch having a thyristor, characterized in that the band-shaped resistor is formed so that its width becomes gradually narrower in accordance with the pull of the trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987146948U JPS6450698U (en) | 1987-09-25 | 1987-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987146948U JPS6450698U (en) | 1987-09-25 | 1987-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6450698U true JPS6450698U (en) | 1989-03-29 |
Family
ID=31416912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987146948U Pending JPS6450698U (en) | 1987-09-25 | 1987-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6450698U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4329865Y1 (en) * | 1966-08-02 | 1968-12-07 |
-
1987
- 1987-09-25 JP JP1987146948U patent/JPS6450698U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4329865Y1 (en) * | 1966-08-02 | 1968-12-07 |
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