FR2390569A1 - Safety-slide for locking off electric circuit-breaker - has padlock and recoil sprung stud which is displaced by contacts to allow sliding - Google Patents
Safety-slide for locking off electric circuit-breaker - has padlock and recoil sprung stud which is displaced by contacts to allow slidingInfo
- Publication number
- FR2390569A1 FR2390569A1 FR7714082A FR7714082A FR2390569A1 FR 2390569 A1 FR2390569 A1 FR 2390569A1 FR 7714082 A FR7714082 A FR 7714082A FR 7714082 A FR7714082 A FR 7714082A FR 2390569 A1 FR2390569 A1 FR 2390569A1
- Authority
- FR
- France
- Prior art keywords
- slide
- stud
- padlock
- breaker
- displaced
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
- H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
-
- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H2009/288—Provisions relating to welded contacts
Landscapes
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The safety mechanism is for use on a circuit-breaker. The mechanism comprises a slideable angle iron (B) which can follow the switch-lever (1) to be locked in place by a padlock. The movement of the slide (8) is controlled by a recoil sprung (17) stud (18) which is displaced by the moving contacts (3). The slide (8) include a bracket (4) which locks the lever (1) in the 'off' position, and moves relative to a fixed angle iron (5, 6). As the slide (8) moves into the locking position two holes (7) are revealed. The holes (7) may accept a padlock which locks the slide (8). The other flange (9) of the slide has a longitudinal key-hole slot (13, 14) of which the bulb (13) locates an enlarged head (18) of the stud. Unless the stud is lifted by the contact and the circuit is broken, the head (18) prevents movement of the slide (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7714082A FR2390569A1 (en) | 1977-05-09 | 1977-05-09 | Safety-slide for locking off electric circuit-breaker - has padlock and recoil sprung stud which is displaced by contacts to allow sliding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7714082A FR2390569A1 (en) | 1977-05-09 | 1977-05-09 | Safety-slide for locking off electric circuit-breaker - has padlock and recoil sprung stud which is displaced by contacts to allow sliding |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2390569A1 true FR2390569A1 (en) | 1978-12-08 |
Family
ID=9190543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7714082A Withdrawn FR2390569A1 (en) | 1977-05-09 | 1977-05-09 | Safety-slide for locking off electric circuit-breaker - has padlock and recoil sprung stud which is displaced by contacts to allow sliding |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2390569A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4554421A (en) * | 1984-01-09 | 1985-11-19 | Westinghouse Electric Corp. | Molded case circuit breaker with handle lock |
US4656322A (en) * | 1986-01-09 | 1987-04-07 | Westinghouse Electric Corp. | Electrical switching device |
EP0575216A1 (en) * | 1992-06-18 | 1993-12-22 | Schneider Electric Sa | Locking device with shutter for circuit breaker |
FR2701617A1 (en) * | 1993-02-16 | 1994-08-19 | Merlin Gerin | Circuit breaker with remote control and sectioning function. |
US5449867A (en) * | 1993-08-02 | 1995-09-12 | General Electric Company | Circuit breaker operating handle interlock |
EP1143477A1 (en) * | 2000-04-07 | 2001-10-10 | Hager Electro S.A. | Safety device for an electrical apparatus like a circuit-breaker type |
CN101281836B (en) * | 2008-05-16 | 2010-06-09 | 常熟开关制造有限公司(原常熟开关厂) | Brake-dividing locking safety device for breaker |
CN113027251A (en) * | 2019-12-24 | 2021-06-25 | 上海良信电器股份有限公司 | Padlock device for outer handle of cabinet of electrical switch |
-
1977
- 1977-05-09 FR FR7714082A patent/FR2390569A1/en not_active Withdrawn
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4554421A (en) * | 1984-01-09 | 1985-11-19 | Westinghouse Electric Corp. | Molded case circuit breaker with handle lock |
US4656322A (en) * | 1986-01-09 | 1987-04-07 | Westinghouse Electric Corp. | Electrical switching device |
EP0575216A1 (en) * | 1992-06-18 | 1993-12-22 | Schneider Electric Sa | Locking device with shutter for circuit breaker |
FR2692717A1 (en) * | 1992-06-18 | 1993-12-24 | Telemecanique | Shutter locking device for circuit breaker. |
FR2701617A1 (en) * | 1993-02-16 | 1994-08-19 | Merlin Gerin | Circuit breaker with remote control and sectioning function. |
EP0612087A1 (en) * | 1993-02-16 | 1994-08-24 | Schneider Electric Sa | Remote controlled circuit breaker with disconnecting function |
US5477016A (en) * | 1993-02-16 | 1995-12-19 | Merlin Gerin | Circuit breaker with remote control and disconnection function |
US5449867A (en) * | 1993-08-02 | 1995-09-12 | General Electric Company | Circuit breaker operating handle interlock |
EP1143477A1 (en) * | 2000-04-07 | 2001-10-10 | Hager Electro S.A. | Safety device for an electrical apparatus like a circuit-breaker type |
CN101281836B (en) * | 2008-05-16 | 2010-06-09 | 常熟开关制造有限公司(原常熟开关厂) | Brake-dividing locking safety device for breaker |
CN113027251A (en) * | 2019-12-24 | 2021-06-25 | 上海良信电器股份有限公司 | Padlock device for outer handle of cabinet of electrical switch |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |