FR1037914A - Locking device mainly for electrical switches - Google Patents
Locking device mainly for electrical switchesInfo
- Publication number
- FR1037914A FR1037914A FR1037914DA FR1037914A FR 1037914 A FR1037914 A FR 1037914A FR 1037914D A FR1037914D A FR 1037914DA FR 1037914 A FR1037914 A FR 1037914A
- Authority
- FR
- France
- Prior art keywords
- locking device
- device mainly
- electrical switches
- switches
- electrical
- 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
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1037914T | 1951-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1037914A true FR1037914A (en) | 1953-09-23 |
Family
ID=9587323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1037914D Expired FR1037914A (en) | 1951-05-31 | 1951-05-31 | Locking device mainly for electrical switches |
Country Status (2)
Country | Link |
---|---|
US (1) | US2663779A (en) |
FR (1) | FR1037914A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2744179A (en) * | 1953-02-02 | 1956-05-01 | Mcgraw Electric Co | Air disconnect switch |
DE1276171B (en) * | 1960-03-24 | 1968-08-29 | Licentia Gmbh | With impact effective locking device for moving parts of electrical switchgear, z. B. Schuetze |
DE19919417A1 (en) * | 1999-04-28 | 2000-11-02 | Siemens Ag | Protection switching device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2438373A (en) * | 1946-04-12 | 1948-03-23 | Gen Electric | Electric switch |
-
1951
- 1951-05-31 FR FR1037914D patent/FR1037914A/en not_active Expired
-
1952
- 1952-05-15 US US287834A patent/US2663779A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2663779A (en) | 1953-12-22 |
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