DE172891C - - Google Patents
Info
- Publication number
- DE172891C DE172891C DENDAT172891D DE172891DA DE172891C DE 172891 C DE172891 C DE 172891C DE NDAT172891 D DENDAT172891 D DE NDAT172891D DE 172891D A DE172891D A DE 172891DA DE 172891 C DE172891 C DE 172891C
- Authority
- DE
- Germany
- Prior art keywords
- frame
- cross
- tension springs
- attached
- side parts
- 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
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/12—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type
- A47C23/14—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type forming nets; combined with nets
- A47C23/155—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type forming nets; combined with nets with combinations of flat springs or link chains with wound springs
Landscapes
- Springs (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE172891C true DE172891C (OSRAM) |
Family
ID=437745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT172891D Active DE172891C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE172891C (OSRAM) |
-
0
- DE DENDAT172891D patent/DE172891C/de active Active
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