DE274184C - - Google Patents
Info
- Publication number
- DE274184C DE274184C DENDAT274184D DE274184DA DE274184C DE 274184 C DE274184 C DE 274184C DE NDAT274184 D DENDAT274184 D DE NDAT274184D DE 274184D A DE274184D A DE 274184DA DE 274184 C DE274184 C DE 274184C
- Authority
- DE
- Germany
- Prior art keywords
- door
- counterweight
- clockwork
- locked
- triggered
- 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
- 230000001960 triggered effect Effects 0.000 claims description 4
- 244000144977 poultry Species 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 description 3
- 241000031711 Cytophagaceae Species 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K31/00—Housing birds
- A01K31/02—Door appliances; Automatic door-openers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE274184C true DE274184C (es) |
Family
ID=530575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT274184D Active DE274184C (es) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE274184C (es) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1048065B (de) * | 1958-03-19 | 1958-12-31 | Hans Stellwag | Fahrbarer Futterschacht |
| US6371842B1 (en) | 1993-06-17 | 2002-04-16 | 3M Innovative Properties Company | Patterned abrading articles and methods of making and using same |
-
0
- DE DENDAT274184D patent/DE274184C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1048065B (de) * | 1958-03-19 | 1958-12-31 | Hans Stellwag | Fahrbarer Futterschacht |
| US6371842B1 (en) | 1993-06-17 | 2002-04-16 | 3M Innovative Properties Company | Patterned abrading articles and methods of making and using same |
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