NL18953C - - Google Patents
Info
- Publication number
- NL18953C NL18953C NL18953DA NL18953C NL 18953 C NL18953 C NL 18953C NL 18953D A NL18953D A NL 18953DA NL 18953 C NL18953 C NL 18953C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE244058X | 1924-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL18953C true NL18953C (xx) |
Family
ID=5923969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL18953D NL18953C (xx) | 1924-12-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1748724A (xx) |
| FR (1) | FR605110A (xx) |
| GB (1) | GB244058A (xx) |
| NL (1) | NL18953C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2806110A (en) * | 1954-05-26 | 1957-09-10 | Westinghouse Electric Corp | Circuit interrupters |
| US2759076A (en) * | 1954-06-25 | 1956-08-14 | Southern States Equipment Corp | Electric switch |
| US3249729A (en) * | 1963-10-18 | 1966-05-03 | Gen Electric | Electric circuit breaker wherein the operation of separable arcing contacts is dependent on the magnitude of current in the main contacts |
| CN109346368A (zh) * | 2018-11-28 | 2019-02-15 | 许继（厦门）智能电力设备股份有限公司 | 一种闸刀式隔离开关的触头结构 |
-
0
- NL NL18953D patent/NL18953C/xx active
-
1925
- 1925-10-29 FR FR605110D patent/FR605110A/fr not_active Expired
- 1925-10-30 GB GB27295/25A patent/GB244058A/en not_active Expired
- 1925-11-09 US US67753A patent/US1748724A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1748724A (en) | 1930-02-25 |
| FR605110A (fr) | 1926-05-20 |
| GB244058A (en) | 1926-05-13 |