| (19) |
 |
|
(11) |
EP 0 291 835 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
26.07.1989 Bulletin 1989/30 |
| (43) |
Date of publication A2: |
|
23.11.1988 Bulletin 1988/47 |
| (22) |
Date of filing: 11.05.1988 |
|
| (51) |
International Patent Classification (IPC)4: H01H 71/16 |
|
| (84) |
Designated Contracting States: |
|
AT CH DE ES FR IT LI |
| (30) |
Priority: |
19.05.1987 GB 8711794
|
| (71) |
Applicant: CRABTREE ELECTRICAL INDUSTRIES LIMITED |
|
West Midlands, WS1 2DN (GB) |
|
| (72) |
Inventor: |
|
- Pickett, Bruce William
Lichfield, Staffs., WS13 6DA (GB)
|
| (74) |
Representative: Lally, William et al |
|
FORRESTER & BOEHMERT
Franz-Joseph-Strasse 38
80801 München
80801 München (DE) |
|
| |
|
| (54) |
Temperature responsive device and circuit breaker |
(57) A temperature responsive device comprises a bimetal element (12) flexible on temperature
and current overload conditions to engage a trip latch (14) to open the circuit. The
bimetal element (12) is pivotally mounted between knife edges (22) provided on a mounting
member (20), whilst one end portion of the bimetal element is connected to an adjustment
means (24), by which said end portion may be moved, pivotally to move the bimetal
element about its pivotal mounting.