NL38990B - - Google Patents
Info
- Publication number
- NL38990B NL38990B NL38990DA NL38990B NL 38990 B NL38990 B NL 38990B NL 38990D A NL38990D A NL 38990DA NL 38990 B NL38990 B NL 38990B
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/042—Explosion-proof cases
- H01H9/045—Explosion-proof cases with interlocking mechanism between cover and operating mechanism
-
- 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
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/042—Explosion-proof cases
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE290595T | 1927-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL38990B true NL38990B (en:Method) |
Family
ID=31893975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL38990D NL38990B (en:Method) | 1927-05-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE346136A (en:Method) |
| FR (1) | FR643859A (en:Method) |
| GB (1) | GB290595A (en:Method) |
| NL (1) | NL38990B (en:Method) |
-
0
- NL NL38990D patent/NL38990B/xx unknown
- BE BE346136D patent/BE346136A/xx unknown
-
1927
- 1927-11-15 FR FR643859D patent/FR643859A/fr not_active Expired
-
1928
- 1928-03-12 GB GB7616/28A patent/GB290595A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB290595A (en:Method) | 1928-11-15 |
| BE346136A (en:Method) | |
| FR643859A (fr) | 1928-09-25 |