CH317664A - Protective device for electrically powered machines - Google Patents
Protective device for electrically powered machinesInfo
- Publication number
- CH317664A CH317664A CH317664DA CH317664A CH 317664 A CH317664 A CH 317664A CH 317664D A CH317664D A CH 317664DA CH 317664 A CH317664 A CH 317664A
- Authority
- CH
- Switzerland
- Prior art keywords
- protective device
- electrically powered
- powered machines
- machines
- electrically
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
- H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB317664X | 1952-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH317664A true CH317664A (en) | 1956-11-30 |
Family
ID=10328081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH317664D CH317664A (en) | 1952-12-05 | 1953-12-04 | Protective device for electrically powered machines |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH317664A (en) |
| GB (1) | GB731714A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8235235B1 (en) | 2008-10-24 | 2012-08-07 | Honda Motor Co., Ltd. | Limit switch cover with magnetic breakaway |
-
1952
- 1952-12-05 GB GB30883/52A patent/GB731714A/en not_active Expired
-
1953
- 1953-12-04 CH CH317664D patent/CH317664A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB731714A (en) | 1955-06-15 |
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