FR872773A - Bouton poussoir pour lignes électriques, notamment pour avertisseurs ou appareils similaires - Google Patents
Bouton poussoir pour lignes électriques, notamment pour avertisseurs ou appareils similairesInfo
- Publication number
- FR872773A FR872773A FR872773DA FR872773A FR 872773 A FR872773 A FR 872773A FR 872773D A FR872773D A FR 872773DA FR 872773 A FR872773 A FR 872773A
- Authority
- FR
- France
- Prior art keywords
- alarms
- push button
- similar devices
- electric lines
- lines
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES139141D DE721964C (de) | 1939-11-11 | 1939-11-11 | Druckkontakt fuer Laeutewerke o. dgl. |
Publications (1)
Publication Number | Publication Date |
---|---|
FR872773A true FR872773A (fr) | 1942-06-18 |
Family
ID=7541020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR872773D Expired FR872773A (fr) | 1939-11-11 | 1941-05-30 | Bouton poussoir pour lignes électriques, notamment pour avertisseurs ou appareils similaires |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE438400A (ja) |
DE (1) | DE721964C (ja) |
FR (1) | FR872773A (ja) |
NL (1) | NL52677C (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2247905A1 (de) * | 1972-03-09 | 1973-09-20 | Casio Computer Co Ltd | Tastschalteranordnung |
US3773996A (en) * | 1971-05-20 | 1973-11-20 | Controls Res Corp | Pushbutton switch with coil spring contacts |
-
0
- BE BE438400D patent/BE438400A/xx unknown
- NL NL52677D patent/NL52677C/xx active
-
1939
- 1939-11-11 DE DES139141D patent/DE721964C/de not_active Expired
-
1941
- 1941-05-30 FR FR872773D patent/FR872773A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3773996A (en) * | 1971-05-20 | 1973-11-20 | Controls Res Corp | Pushbutton switch with coil spring contacts |
DE2247905A1 (de) * | 1972-03-09 | 1973-09-20 | Casio Computer Co Ltd | Tastschalteranordnung |
Also Published As
Publication number | Publication date |
---|---|
BE438400A (ja) | |
DE721964C (de) | 1942-06-24 |
NL52677C (ja) |
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