DE180722C - - Google Patents
Info
- Publication number
- DE180722C DE180722C DENDAT180722D DE180722DA DE180722C DE 180722 C DE180722 C DE 180722C DE NDAT180722 D DENDAT180722 D DE NDAT180722D DE 180722D A DE180722D A DE 180722DA DE 180722 C DE180722 C DE 180722C
- Authority
- DE
- Germany
- Prior art keywords
- cords
- cord
- blind
- friction
- clamping devices
- 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
- 238000004804 winding Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 210000003127 knee Anatomy 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/28—Roller blind or flexible plate
- G03B9/32—Double blind
- G03B9/34—Double blind with adjustable slot; with mechanism controlling relative movement of blinds to form slot
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Blinds (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE180722C true DE180722C (enrdf_load_html_response) |
Family
ID=444960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT180722D Active DE180722C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE180722C (enrdf_load_html_response) |
-
0
- DE DENDAT180722D patent/DE180722C/de active Active
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