JPH01155629U - - Google Patents
Info
- Publication number
- JPH01155629U JPH01155629U JP5295488U JP5295488U JPH01155629U JP H01155629 U JPH01155629 U JP H01155629U JP 5295488 U JP5295488 U JP 5295488U JP 5295488 U JP5295488 U JP 5295488U JP H01155629 U JPH01155629 U JP H01155629U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- circuit board
- printed circuit
- power tool
- dust
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Description
図面はこの考案の一実施例を示し、第１図は防
塵カバーの装着状態を示す要部拡大縦断正面図、
第２図は直流電動工具用スイツチの要部分解斜視
図、第３図は直流電動工具用スイツチの外観斜視
図である。
１１……制御回路部、１２……操作レバー、１
３……スイツチケース、１５……放熱カバー、１
６……プリント基板、１７……防塵カバー、１９
……スライダ、２５……上面開口部、３０……押
圧片、Ｌ……閉鎖沿面距離。
The drawings show one embodiment of this invention, and Fig. 1 is an enlarged longitudinal sectional front view of the main part showing the state in which the dustproof cover is installed;
FIG. 2 is an exploded perspective view of the main parts of the switch for a DC power tool, and FIG. 3 is an external perspective view of the switch for a DC power tool. 11...control circuit section, 12...operation lever, 1
3... Switch case, 15... Heat radiation cover, 1
6...Printed circuit board, 17...Dust cover, 19
... Slider, 25 ... Top opening, 30 ... Pressing piece, L ... Closed creepage distance.
Claims (1)
載したプリント基板と、操作レバーの動きに連動
して内部のスイツチ接点部を切換え可能にスライ
ドするスライダを収納した電動工具用スイツチで
あつて、 前記プリント基板の上面を覆い、かつ下面にプ
リント基板の周縁部上面を押圧支持する押圧片を
垂設した防塵カバーを設け、 この防塵カバーの押圧片を、前記スイツチケー
スの上部内壁面に沿わせた状態で、該防塵カバー
を前記スイツチケースの上面開口部に閉鎖対応し
た、 電動工具用スイツチの保護装置。[Scope of Claim for Utility Model Registration] A power tool that houses a printed circuit board equipped with a control circuit in the top opening of the switch case, and a slider that slides to switch the internal switch contacts in conjunction with the movement of the operating lever. The switch is provided with a dust-proof cover that covers the top surface of the printed circuit board and has a vertical pressing piece on the bottom surface that presses and supports the upper surface of the peripheral edge of the printed circuit board, and the pressing piece of this dust-proof cover is pressed against the top surface of the switch case. A protection device for a power tool switch, wherein the dustproof cover is closed to the top opening of the switch case when placed along the upper inner wall surface.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5295488U JPH01155629U (en) | 1988-04-20 | 1988-04-20 | |
| EP19880117477 EP0313987B1 (en) | 1987-10-21 | 1988-10-20 | Electric switch for a power tool |
| DE19883882007 DE3882007T2 (en) | 1987-10-21 | 1988-10-20 | Electrical switch for power tools. |
| AT88117477T ATE91040T1 (en) | 1987-10-21 | 1988-10-20 | ELECTRIC SWITCH FOR POWER TOOL. |
| US07/549,557 US5084598A (en) | 1987-10-21 | 1990-07-09 | Electric switch for a power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5295488U JPH01155629U (en) | 1988-04-20 | 1988-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155629U true JPH01155629U (en) | 1989-10-25 |
Family
ID=31278950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5295488U Pending JPH01155629U (en) | 1987-10-21 | 1988-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155629U (en) |
-
1988
- 1988-04-20 JP JP5295488U patent/JPH01155629U/ja active Pending