CA938639A - Trip mechanism - Google Patents
Trip mechanismInfo
- Publication number
- CA938639A CA938639A CA129426A CA129426A CA938639A CA 938639 A CA938639 A CA 938639A CA 129426 A CA129426 A CA 129426A CA 129426 A CA129426 A CA 129426A CA 938639 A CA938639 A CA 938639A
- Authority
- CA
- Canada
- Prior art keywords
- trip mechanism
- trip
- 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
- 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
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
- H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
- H01H71/322—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with plunger type armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5919270 | 1970-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA938639A true CA938639A (en) | 1973-12-18 |
Family
ID=10483264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA129426A Expired CA938639A (en) | 1970-12-12 | 1971-12-06 | Trip mechanism |
Country Status (2)
Country | Link |
---|---|
US (1) | US3732512A (en) |
CA (1) | CA938639A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117431A (en) * | 1977-06-13 | 1978-09-26 | General Equipment & Manufacturing Co., Inc. | Magnetic proximity device |
US4414518A (en) * | 1980-10-16 | 1983-11-08 | Abex Corporation | Vertical descent rate detector switch |
US4726588A (en) * | 1986-08-18 | 1988-02-23 | Balls-N-Bars, Inc. | Magnetic detent device and puzzle game device |
US4745383A (en) * | 1987-05-11 | 1988-05-17 | Zovath Peter J | Magnetic proximity switch |
WO2003098651A1 (en) * | 2002-05-17 | 2003-11-27 | Abb Patent Gmbh | Breaker unit for fault current, excess current and short-circuit current protection |
JP4072551B2 (en) * | 2005-11-09 | 2008-04-09 | ファナック株式会社 | Processing equipment |
US20080200092A1 (en) * | 2007-02-16 | 2008-08-21 | Chi Yiu Chung | Magnetic item and toy comprising the same |
US8991210B1 (en) * | 2011-08-19 | 2015-03-31 | Cary Stewart, Jr. | Revolving jewelry system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3550936A (en) * | 1968-05-07 | 1970-12-29 | Donald W Puttick | Amusement device including annular magnets slidably disposed on nonmagnetic tube |
-
1971
- 1971-11-22 US US00200877A patent/US3732512A/en not_active Expired - Lifetime
- 1971-12-06 CA CA129426A patent/CA938639A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3732512A (en) | 1973-05-08 |
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