DE271867C - - Google Patents
Info
- Publication number
- DE271867C DE271867C DENDAT271867D DE271867DA DE271867C DE 271867 C DE271867 C DE 271867C DE NDAT271867 D DENDAT271867 D DE NDAT271867D DE 271867D A DE271867D A DE 271867DA DE 271867 C DE271867 C DE 271867C
- Authority
- DE
- Germany
- Prior art keywords
- blind
- bolt
- closed circuit
- signal
- 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
- 230000011664 signaling Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Blinds (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE271867C true DE271867C (https=) |
Family
ID=528486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT271867D Active DE271867C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE271867C (https=) |
-
0
- DE DENDAT271867D patent/DE271867C/de active Active
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