JPS6383279U - - Google Patents
Info
- Publication number
- JPS6383279U JPS6383279U JP17676186U JP17676186U JPS6383279U JP S6383279 U JPS6383279 U JP S6383279U JP 17676186 U JP17676186 U JP 17676186U JP 17676186 U JP17676186 U JP 17676186U JP S6383279 U JPS6383279 U JP S6383279U
- Authority
- JP
- Japan
- Prior art keywords
- tightening
- drive circuit
- temporary
- temporary tightening
- electric motor
- 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 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
第１図は本考案の一実施例の構成を示す回路図
、第２図は同上実施例の制御ルーチンを示すフロ
ーチヤート、第３図はＯリングを介して嵌挿され
る２部材の一例を示す一部断面図である。
１…スクリユードライバ本体、２…電動モータ
、３…コントロールユニツト、４…マイクロコン
ピユータ、１１…抵抗、１２…ダイオード、１３
，１４…トランジスタ、２１…ダイオード、２２
，２３…トランジスタ。
Fig. 1 is a circuit diagram showing the configuration of an embodiment of the present invention, Fig. 2 is a flowchart showing a control routine of the same embodiment, and Fig. 3 shows an example of two members fitted through an O-ring. It is a partially sectional view. DESCRIPTION OF SYMBOLS 1...Screwdriver body, 2...Electric motor, 3...Control unit, 4...Microcomputer, 11...Resistor, 12...Diode, 13
, 14...Transistor, 21...Diode, 22
, 23...Transistor.
Claims (1)
する電動モータと、該電動モータに仮締用トルク
が得られる駆動電圧を供給する仮締用駆動回路と
、同じく電動モータに本締用トルクが得られる駆
動電圧を供給する本締用駆動回路と、前記仮締用
駆動回路を作動させて仮締を行わせ、仮締が終了
したことを検出した後、本締用駆動回路を作動さ
せて本締を行わせるシーケンス制御手段とを設け
て構成したことを特徴とする電動式スクリユード
ライバ。 A screwdriver main body, an electric motor that rotationally drives the main body, a temporary tightening drive circuit that supplies a drive voltage to the electric motor to obtain temporary tightening torque, and a temporary tightening drive circuit that also provides the electric motor with final tightening torque. The drive circuit for final tightening that supplies the drive voltage and the drive circuit for temporary tightening are operated to perform temporary tightening, and after detecting that the temporary tightening is completed, the drive circuit for final tightening is activated to perform the final tightening. An electric screwdriver characterized in that it is configured by providing a sequence control means for performing the following steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17676186U JPS6383279U (en) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17676186U JPS6383279U (en) | 1986-11-19 | 1986-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6383279U true JPS6383279U (en) | 1988-06-01 |
Family
ID=31117321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17676186U Pending JPS6383279U (en) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6383279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008093418A1 (en) * | 2007-01-31 | 2008-08-07 | Fujitsu Limited | Screw tightening device |
| WO2008105057A1 (en) * | 2007-02-26 | 2008-09-04 | Fujitsu Limited | Screw tightening device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54127099A (en) * | 1978-03-27 | 1979-10-02 | Daiichi Dentsuu Kk | Electromotive connecting method |
| JPS59219171A (en) * | 1983-05-24 | 1984-12-10 | 日本電気精器株式会社 | Electromotive driver |
| JPS6110931U (en) * | 1984-06-25 | 1986-01-22 | マツダ株式会社 | engine intake system |
-
1986
- 1986-11-19 JP JP17676186U patent/JPS6383279U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54127099A (en) * | 1978-03-27 | 1979-10-02 | Daiichi Dentsuu Kk | Electromotive connecting method |
| JPS59219171A (en) * | 1983-05-24 | 1984-12-10 | 日本電気精器株式会社 | Electromotive driver |
| JPS6110931U (en) * | 1984-06-25 | 1986-01-22 | マツダ株式会社 | engine intake system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008093418A1 (en) * | 2007-01-31 | 2008-08-07 | Fujitsu Limited | Screw tightening device |
| JP5003691B2 (en) * | 2007-01-31 | 2012-08-15 | 富士通株式会社 | Screw tightening device |
| WO2008105057A1 (en) * | 2007-02-26 | 2008-09-04 | Fujitsu Limited | Screw tightening device |
| JP4998547B2 (en) * | 2007-02-26 | 2012-08-15 | 富士通株式会社 | Screw tightening device |