GB523394A - Improvements relating to position indicators for electric motor starting switchgear - Google Patents
Improvements relating to position indicators for electric motor starting switchgearInfo
- Publication number
- GB523394A GB523394A GB873940A GB873940A GB523394A GB 523394 A GB523394 A GB 523394A GB 873940 A GB873940 A GB 873940A GB 873940 A GB873940 A GB 873940A GB 523394 A GB523394 A GB 523394A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switchgear
- electric motor
- motor starting
- improvements relating
- position indicators
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/34—Driving mechanisms, i.e. for transmitting driving force to the contacts using ratchet
-
- 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
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
Landscapes
- Paper (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Mechanisms For Operating Contacts (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
523,394. Actuating controllers. BROOKHIRST SWITCHGEAR, Ltd., and LANCELEY, C. Dec. 1, 1938, No. 8739/40. Divided out of 52:2,048. Drawings to Specification. [Class 38 (iii)] With auxiliary switches.-The Specification comprises subject matter described in Specification 522,048, but the claims of the present Specification relate especially to the operation of the indicator of the controller by the auxiliary stop switch. Specifications 363,046 and 523,393 also are referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3495238A GB522048A (en) | 1938-12-01 | 1938-12-01 | Improvements in or relating to electrical switchgear for starting electric motors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB523394A true GB523394A (en) | 1940-07-12 |
Family
ID=10372011
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB873840A Expired GB523393A (en) | 1938-12-01 | 1938-12-01 | Improvements in or relating to electrical switchgear for starting electric motors |
GB3495238A Expired GB522048A (en) | 1938-12-01 | 1938-12-01 | Improvements in or relating to electrical switchgear for starting electric motors |
GB873940A Expired GB523394A (en) | 1938-12-01 | 1938-12-01 | Improvements relating to position indicators for electric motor starting switchgear |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB873840A Expired GB523393A (en) | 1938-12-01 | 1938-12-01 | Improvements in or relating to electrical switchgear for starting electric motors |
GB3495238A Expired GB522048A (en) | 1938-12-01 | 1938-12-01 | Improvements in or relating to electrical switchgear for starting electric motors |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB523393A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0145572A1 (en) * | 1983-11-30 | 1985-06-19 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Steering column axle |
-
1938
- 1938-12-01 GB GB873840A patent/GB523393A/en not_active Expired
- 1938-12-01 GB GB3495238A patent/GB522048A/en not_active Expired
- 1938-12-01 GB GB873940A patent/GB523394A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0145572A1 (en) * | 1983-11-30 | 1985-06-19 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Steering column axle |
Also Published As
Publication number | Publication date |
---|---|
GB522048A (en) | 1940-06-07 |
GB523393A (en) | 1940-07-12 |
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