JPS3532937Y1 - - Google Patents
Info
- Publication number
- JPS3532937Y1 JPS3532937Y1 JP3406959U JP3406959U JPS3532937Y1 JP S3532937 Y1 JPS3532937 Y1 JP S3532937Y1 JP 3406959 U JP3406959 U JP 3406959U JP 3406959 U JP3406959 U JP 3406959U JP S3532937 Y1 JPS3532937 Y1 JP S3532937Y1
- Authority
- JP
- Japan
- 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
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
- H01H9/223—Defeatable locking means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H2009/0292—Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US744114A US2917593A (en) | 1958-06-24 | 1958-06-24 | Enclosed circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS3532937Y1 true JPS3532937Y1 (ru) | 1960-12-13 |
Family
ID=24991486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3406959U Expired JPS3532937Y1 (ru) | 1958-06-24 | 1959-06-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2917593A (ru) |
| JP (1) | JPS3532937Y1 (ru) |
| CA (1) | CA633993A (ru) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3042779A (en) * | 1959-12-04 | 1962-07-03 | Gen Electric | Enclosed electric switch |
| US3141947A (en) * | 1959-12-04 | 1964-07-21 | Gen Electric | Front-operated switch with bail type handle |
| US3188410A (en) * | 1960-08-26 | 1965-06-08 | Frank Adam Electric Co | Enclosed switch with defeatable door interlock |
| US4079214A (en) * | 1976-12-15 | 1978-03-14 | General Electric Company | Defeatable access door interlock for circuit breaker enclosure |
| ZA955835B (en) * | 1994-08-31 | 1996-02-21 | Reutech Engineering Services P | Enclosure for a circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2512505A (en) * | 1948-09-08 | 1950-06-20 | Trumbull Electric Mfg Co | Operating means for enclosed switches |
| US2695934A (en) * | 1951-04-24 | 1954-11-30 | Fed Electric Prod Co | Operating mechanism for enclosed circuit breakers or switches |
| US2813162A (en) * | 1956-03-09 | 1957-11-12 | Westinghouse Electric Corp | Interlocking device for enclosed electric switch |
| US2832860A (en) * | 1956-08-06 | 1958-04-29 | Allen Bradley Co | Disconnect mechanism |
-
0
- CA CA633993A patent/CA633993A/en not_active Expired
-
1958
- 1958-06-24 US US744114A patent/US2917593A/en not_active Expired - Lifetime
-
1959
- 1959-06-18 JP JP3406959U patent/JPS3532937Y1/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2917593A (en) | 1959-12-15 |
| CA633993A (en) | 1962-01-02 |