FR539962A - Closing and tripping devices for electric current switches - Google Patents
Closing and tripping devices for electric current switchesInfo
- Publication number
- FR539962A FR539962A FR539962DA FR539962A FR 539962 A FR539962 A FR 539962A FR 539962D A FR539962D A FR 539962DA FR 539962 A FR539962 A FR 539962A
- Authority
- FR
- France
- Prior art keywords
- closing
- electric current
- current switches
- tripping devices
- tripping
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3031—Means for locking the spring in a charged state
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE539962X | 1921-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR539962A true FR539962A (en) | 1922-07-04 |
Family
ID=3872049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR539962D Expired FR539962A (en) | 1921-08-31 | 1921-08-27 | Closing and tripping devices for electric current switches |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR539962A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1139743B (en) * | 1954-01-20 | 1962-11-15 | Ici Ltd | Apparatus for continuously producing bales from resilient thermoplastic staple fibers, such as polyethylene terephthalate |
-
1921
- 1921-08-27 FR FR539962D patent/FR539962A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1139743B (en) * | 1954-01-20 | 1962-11-15 | Ici Ltd | Apparatus for continuously producing bales from resilient thermoplastic staple fibers, such as polyethylene terephthalate |
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