JPS646336A - Push button device - Google Patents
Push button deviceInfo
- Publication number
- JPS646336A JPS646336A JP62160244A JP16024487A JPS646336A JP S646336 A JPS646336 A JP S646336A JP 62160244 A JP62160244 A JP 62160244A JP 16024487 A JP16024487 A JP 16024487A JP S646336 A JPS646336 A JP S646336A
- Authority
- JP
- Japan
- Prior art keywords
- push button
- depressed
- push
- buttons
- prohibiting
- 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.)
- Granted
Links
- 230000000994 depressogenic effect Effects 0.000 abstract 5
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000007257 malfunction Effects 0.000 abstract 2
- 230000000881 depressing effect Effects 0.000 abstract 1
Landscapes
- Push-Button Switches (AREA)
Abstract
PURPOSE:To prevent the malfunction by prohibiting the second push button from being depressed without the preaction to depress the first push button and prohibiting only the first push button from being protruded by a return spring with both the first and second push buttons kept depressed. CONSTITUTION:When both switches (a), (b) are set off, push buttons 1-4 are protruded by a return spring 6. If the second push button 2 is intended to be depressed at this time, one piece 15 of the first lever 13 is coupled with a coupling recess 2a-1 with no sliding face, thus the second push button 2 can not be depressed first. When both the first and second push buttons 1, 2 are depressed to set the switches (a), (b) on, the other end 21 of a moving bar 18 is coupled with a coupling recess 4a-2 with no sliding face of the fourth push button 4 and looked, thus the first push button 1 can not be returned to the off position by depressing the fourth push button, i.e., the first push button 1 can not be returned to the off position with only the second push button kept at the on position. The malfunction at the time of closing or opening a circuit is thereby prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62160244A JP2779800B2 (en) | 1987-06-26 | 1987-06-26 | Push button device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62160244A JP2779800B2 (en) | 1987-06-26 | 1987-06-26 | Push button device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS646336A true JPS646336A (en) | 1989-01-10 |
| JP2779800B2 JP2779800B2 (en) | 1998-07-23 |
Family
ID=15710817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62160244A Expired - Fee Related JP2779800B2 (en) | 1987-06-26 | 1987-06-26 | Push button device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2779800B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61197624U (en) * | 1985-05-30 | 1986-12-10 |
-
1987
- 1987-06-26 JP JP62160244A patent/JP2779800B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61197624U (en) * | 1985-05-30 | 1986-12-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2779800B2 (en) | 1998-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |