GB1054721A - - Google Patents
Info
- Publication number
- GB1054721A GB1054721A GB1054721DA GB1054721A GB 1054721 A GB1054721 A GB 1054721A GB 1054721D A GB1054721D A GB 1054721DA GB 1054721 A GB1054721 A GB 1054721A
- Authority
- GB
- United Kingdom
- Prior art keywords
- razor
- strip
- windings
- contacts
- contact
- 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.)
- Active
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
- H01H73/60—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 cartridge type, e.g. screw-in cartridge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
- H01H71/164—Heating elements
Landscapes
- Thermally Actuated Switches (AREA)
- Fuses (AREA)
- Contacts (AREA)
Abstract
1,054,721. Thermal switches; mechanical switches without quick action. CALOR APPAREILS ELECTRO - DOMESTIQUES. April 6, 1964 [Feb. 6, 1964], No. 14022/64. Heading H2B. A device for protecting the motor windings 18, 19, of, e.g. an electric razor, comprises a bimetal strip 1 carrying insulatedly a contact 5 co-operating with a fixed contact 7 (Fig. 1, not shown), a heating resistance wire 14 wound on an insulating sleeve 8 on the strip 1 causing movement of the strip with overcurrent to break contacts 5, 7 and consequently the circuit to the windings 18, 19, of the razor and a voltage selector button 26 (Figs. 4, 5, not shown) carries sectoral contacts 25, 28, for connecting the two windings 18, 19 in parallel or in series, and is mounted in the casing wall 20 of the razor for angular movement between two positions, Fig. 3 (Fig. 5, not shown), so that the razor operates at either of two voltages.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR962922A FR1392671A (en) | 1964-02-06 | 1964-02-06 | Protection device against overheating of electrical circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1054721A true GB1054721A (en) |
Family
ID=8822618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1054721D Active GB1054721A (en) | 1964-02-06 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3272943A (en) |
CH (1) | CH409090A (en) |
DE (1) | DE1925554U (en) |
FR (1) | FR1392671A (en) |
GB (1) | GB1054721A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2669769B1 (en) * | 1990-11-28 | 1994-03-11 | Telemecanique | THERMAL ELEMENT FOR OVERLOAD RELAYS. |
DE10220693A1 (en) * | 2002-05-10 | 2003-11-20 | Brennenstuhl Kg Hugo | Circuit breaker for a cable drum |
CN102915876B (en) * | 2011-08-03 | 2015-03-04 | 施耐德电器工业公司 | Bimetal thermal element and manufacturing method thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1908676A (en) * | 1929-07-06 | 1933-05-16 | Birka Regulator Ab | Electrical regulating device |
US2302924A (en) * | 1940-07-17 | 1942-11-24 | Valverde Robert | Method and apparatus for automatic control |
US2408568A (en) * | 1942-07-04 | 1946-10-01 | Isidore Davidoff | Low voltage flasher |
GB679475A (en) * | 1949-04-07 | 1952-09-17 | Triplite Ltd | Heat-responsive snap-action electric switch apparatus |
GB721435A (en) * | 1951-02-20 | 1955-01-05 | Edward Wilcox And Company Ltd | Improvements in or relating to electrical relays |
US3003086A (en) * | 1958-06-19 | 1961-10-03 | Robertshaw Fulton Controls Co | Thermal relay |
US3023350A (en) * | 1959-03-31 | 1962-02-27 | Texas Instruments Inc | Electrical switch means |
-
0
- GB GB1054721D patent/GB1054721A/en active Active
-
1964
- 1964-02-06 FR FR962922A patent/FR1392671A/en not_active Expired
- 1964-03-25 CH CH388064A patent/CH409090A/en unknown
- 1964-04-06 DE DEC11666U patent/DE1925554U/en not_active Expired
- 1964-04-16 US US360312A patent/US3272943A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR1392671A (en) | 1965-03-19 |
CH409090A (en) | 1966-03-15 |
US3272943A (en) | 1966-09-13 |
DE1925554U (en) | 1965-10-21 |
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