BE524012A - - Google Patents
Info
- Publication number
- BE524012A BE524012A BE524012DA BE524012A BE 524012 A BE524012 A BE 524012A BE 524012D A BE524012D A BE 524012DA BE 524012 A BE524012 A BE 524012A
- Authority
- BE
- Belgium
- Prior art keywords
- spring
- backrest
- seat
- support
- chair according
- Prior art date
Links
- 239000000725 suspension Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002023 wood 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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/443—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
- A47C7/444—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/445—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
- A47C7/4454—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs of torsion type
Landscapes
- Chairs Characterized By Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE524012A true BE524012A (enrdf_load_html_response) |
Family
ID=158767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE524012D BE524012A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE524012A (enrdf_load_html_response) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3339973A (en) * | 1966-01-05 | 1967-09-05 | Doerner Products Co Ltd | Torsion spring chair control |
| US6896328B2 (en) | 2002-12-18 | 2005-05-24 | Hon Technology Inc. | Steel wire chair with springs |
-
0
- BE BE524012D patent/BE524012A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3339973A (en) * | 1966-01-05 | 1967-09-05 | Doerner Products Co Ltd | Torsion spring chair control |
| US6896328B2 (en) | 2002-12-18 | 2005-05-24 | Hon Technology Inc. | Steel wire chair with springs |
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