DE219230C - - Google Patents
Info
- Publication number
- DE219230C DE219230C DENDAT219230D DE219230DA DE219230C DE 219230 C DE219230 C DE 219230C DE NDAT219230 D DENDAT219230 D DE NDAT219230D DE 219230D A DE219230D A DE 219230DA DE 219230 C DE219230 C DE 219230C
- Authority
- DE
- Germany
- Prior art keywords
- door
- crank
- closing
- weight
- power source
- 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 description 4
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 241000189705 Dunedin group Species 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F13/00—Mechanisms operated by the movement or weight of a person or vehicle
- E05F13/04—Mechanisms operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user
Landscapes
- Hinges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE219230C true DE219230C (forum.php) |
Family
ID=480379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT219230D Active DE219230C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE219230C (forum.php) |
-
0
- DE DENDAT219230D patent/DE219230C/de active Active
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