GB1304816A - - Google Patents
Info
- Publication number
- GB1304816A GB1304816A GB4371571A GB4371571A GB1304816A GB 1304816 A GB1304816 A GB 1304816A GB 4371571 A GB4371571 A GB 4371571A GB 4371571 A GB4371571 A GB 4371571A GB 1304816 A GB1304816 A GB 1304816A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contact
- strip
- armature
- permanent magnet
- flux
- 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
- 230000004907 flux Effects 0.000 abstract 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
- H01H51/288—Freely suspended contacts
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Railway Tracks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7014026A NL7014026A (enrdf_load_html_response) | 1970-09-23 | 1970-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1304816A true GB1304816A (enrdf_load_html_response) | 1973-01-31 |
Family
ID=19811135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4371571A Expired GB1304816A (enrdf_load_html_response) | 1970-09-23 | 1971-09-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3716812A (enrdf_load_html_response) |
| JP (1) | JPS477028A (enrdf_load_html_response) |
| DE (1) | DE2143715A1 (enrdf_load_html_response) |
| FR (1) | FR2107901B1 (enrdf_load_html_response) |
| GB (1) | GB1304816A (enrdf_load_html_response) |
| NL (1) | NL7014026A (enrdf_load_html_response) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2732458A (en) * | 1952-08-27 | 1956-01-24 | buckingham | |
| US2794178A (en) * | 1954-04-05 | 1957-05-28 | Boeing Co | Magnetically actuated and held ball armature switching devices |
| US2836673A (en) * | 1954-10-28 | 1958-05-27 | Boeing Co | Make-before-break relays |
| DE1614672B2 (de) * | 1967-12-04 | 1972-05-10 | Siemens AG, 1000 Berlin u. 8000 München | Gepoltes relais mit zweifluegeligem drehanker |
-
1970
- 1970-09-23 NL NL7014026A patent/NL7014026A/xx unknown
-
1971
- 1971-09-01 DE DE19712143715 patent/DE2143715A1/de active Pending
- 1971-09-13 US US00179775A patent/US3716812A/en not_active Expired - Lifetime
- 1971-09-20 GB GB4371571A patent/GB1304816A/en not_active Expired
- 1971-09-22 FR FR7134092A patent/FR2107901B1/fr not_active Expired
- 1971-09-23 JP JP7255271A patent/JPS477028A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7014026A (enrdf_load_html_response) | 1972-03-27 |
| FR2107901A1 (enrdf_load_html_response) | 1972-05-12 |
| FR2107901B1 (enrdf_load_html_response) | 1976-09-03 |
| US3716812A (en) | 1973-02-13 |
| DE2143715A1 (enrdf_load_html_response) | 1972-04-13 |
| JPS477028A (enrdf_load_html_response) | 1972-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |