FR632804A - - Google Patents
Info
- Publication number
- FR632804A FR632804A FR632804DA FR632804A FR 632804 A FR632804 A FR 632804A FR 632804D A FR632804D A FR 632804DA FR 632804 A FR632804 A FR 632804A
- Authority
- FR
- France
- 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
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
- H01H50/305—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature damping vibration due to functional movement of armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Linear Motors (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US124595A US1757703A (en) | 1926-07-24 | 1926-07-24 | Electrical contact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR632804A true FR632804A (pt) | 1928-01-16 |
Family
ID=22415776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR632804D Expired FR632804A (pt) | 1926-07-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1757703A (pt) |
| DE (1) | DE568950C (pt) |
| FR (1) | FR632804A (pt) |
| GB (1) | GB274815A (pt) |
| NL (1) | NL27296C (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2629031A (en) * | 1946-08-17 | 1953-02-17 | Ballman Engineering Company | Electromagnetic switch |
| US2585040A (en) * | 1949-03-23 | 1952-02-12 | Frederick Hart & Co Inc | Electromagnetic recording head |
-
0
- FR FR632804D patent/FR632804A/fr not_active Expired
- NL NL27296D patent/NL27296C/xx active
-
1926
- 1926-07-24 US US124595A patent/US1757703A/en not_active Expired - Lifetime
-
1927
- 1927-04-07 DE DEW75587D patent/DE568950C/de not_active Expired
- 1927-04-07 GB GB9641/27A patent/GB274815A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB274815A (en) | 1928-07-09 |
| DE568950C (de) | 1933-01-31 |
| NL27296C (pt) | |
| US1757703A (en) | 1930-05-06 |