GB637618A - Improvements relating to automatic electric switches - Google Patents
Improvements relating to automatic electric switchesInfo
- Publication number
- GB637618A GB637618A GB5748/48A GB574848A GB637618A GB 637618 A GB637618 A GB 637618A GB 5748/48 A GB5748/48 A GB 5748/48A GB 574848 A GB574848 A GB 574848A GB 637618 A GB637618 A GB 637618A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- arm
- button
- pivoted
- catch
- 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
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
- H01H73/30—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by push-button, pull-knob or slide
Landscapes
- Thermally Actuated Switches (AREA)
- Breakers (AREA)
- Push-Button Switches (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5748/48A GB637618A (en) | 1948-02-26 | 1948-02-26 | Improvements relating to automatic electric switches |
US77866A US2516670A (en) | 1948-02-26 | 1949-02-23 | Electric switch |
FR981752D FR981752A (fr) | 1948-02-26 | 1949-02-24 | Perfectionnements aux interrupteurs électriques |
DER3389A DE839965C (de) | 1948-02-26 | 1950-08-26 | UEberstromschalter mit Kniegelenkmechanismus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5748/48A GB637618A (en) | 1948-02-26 | 1948-02-26 | Improvements relating to automatic electric switches |
Publications (1)
Publication Number | Publication Date |
---|---|
GB637618A true GB637618A (en) | 1950-05-24 |
Family
ID=9801910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5748/48A Expired GB637618A (en) | 1948-02-26 | 1948-02-26 | Improvements relating to automatic electric switches |
Country Status (4)
Country | Link |
---|---|
US (1) | US2516670A (de) |
DE (1) | DE839965C (de) |
FR (1) | FR981752A (de) |
GB (1) | GB637618A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2747053A (en) * | 1953-04-02 | 1956-05-22 | Zinsco Electrical Products | Circuit breaker |
US2835765A (en) * | 1954-11-22 | 1958-05-20 | Ite Circuit Breaker Ltd | Circuit breaker |
US3454918A (en) * | 1967-06-29 | 1969-07-08 | Wood Electric Corp | Electrical circuit breaker |
US4323868A (en) * | 1980-10-17 | 1982-04-06 | North American Philips Controls Corp. | Setting mechanism for snap action circuit breaker |
US6552644B2 (en) * | 2001-07-17 | 2003-04-22 | Tsung-Mou Yu | Safety press-button switch |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE719663C (de) * | 1936-08-04 | 1942-04-14 | Siemens Ag | UEberstromschalter |
-
1948
- 1948-02-26 GB GB5748/48A patent/GB637618A/en not_active Expired
-
1949
- 1949-02-23 US US77866A patent/US2516670A/en not_active Expired - Lifetime
- 1949-02-24 FR FR981752D patent/FR981752A/fr not_active Expired
-
1950
- 1950-08-26 DE DER3389A patent/DE839965C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2516670A (en) | 1950-07-25 |
DE839965C (de) | 1952-05-26 |
FR981752A (fr) | 1951-05-30 |
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