US130858A - Improvement in bed-bottoms - Google Patents
Improvement in bed-bottoms Download PDFInfo
- Publication number
- US130858A US130858A US130858DA US130858A US 130858 A US130858 A US 130858A US 130858D A US130858D A US 130858DA US 130858 A US130858 A US 130858A
- Authority
- US
- United States
- Prior art keywords
- bed
- bottoms
- improvement
- spring
- slat
- 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.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 description 2
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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
- A47C23/04—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled
- A47C23/05—Frames therefor; Connecting the springs to the frame ; Interconnection of springs, e.g. in spring units
Definitions
- This invention relates to an improvement in spiral springs, especially designed for bed-bottoms where it is desired to have the springs removably attached to the slats, said springs being so constructed as to be self-fastenin g.
- A is a spiral spring of the form usually employed in the construction of spring bed-bottoms, except at the lower end, at which point I first form a horizontal projection, J, turning the same into a parallelogram, as shown, or into any other convenient form, which forms a foot to hold the spring in a vertical position, and then carry out the wire and bend it around to come under the slat B and terminate in a spiral coil, 0, at the central vertical line of the spring to form a considerable holding-surface on the under side of the slat.
- These parts J and 0 press, the former against the upper, and the latter against the under, side of the slat, and hold the spring firmly in position, sothat the spring will not tip in any direction.
- the spring A having projection J adapted to rest upon the'upper side of the bar
Description
A. W. OBERMANN.
Improvement in Bed-Bottoms. No. 130,858. tented Aug. 27,1872
UNITED STATES PATENT QFFIGE.
AUGUST W. OBERMANN, OF CHICAGO, ILLINOIS.
IMPROVEMENT IN BED-BOTTOMS.
Specification forming part of Letters Patent No. 130,858, dated August 27, 1872.
To whom it may concern:
Be it known that I, AUGUST W. ()BERMANN, of- Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Self-Fastenin g Bed-Sprin gs and I do declare that the following is a true and accurate description thereof, reference being had to the accompanying drawing and to the letters of reference marked thereon and being a part of this specification, in which my invention is shown in perspective and in its relation to a bed-bottom slat, the latter being shown in outline.
This invention relates to an improvement in spiral springs, especially designed for bed-bottoms where it is desired to have the springs removably attached to the slats, said springs being so constructed as to be self-fastenin g.
In the accompanying drawing, A is a spiral spring of the form usually employed in the construction of spring bed-bottoms, except at the lower end, at which point I first form a horizontal projection, J, turning the same into a parallelogram, as shown, or into any other convenient form, which forms a foot to hold the spring in a vertical position, and then carry out the wire and bend it around to come under the slat B and terminate in a spiral coil, 0, at the central vertical line of the spring to form a considerable holding-surface on the under side of the slat. These parts J and 0 press, the former against the upper, and the latter against the under, side of the slat, and hold the spring firmly in position, sothat the spring will not tip in any direction.
I do not broadly claim a spring having its bearing-surface for the upper side of the bar formed into a parallelogram, for this feature is shown in my patent of June 21, 1870; but
What I claim as my invention, and desire to secure by Letters Patent, is-
The spring A, having projection J adapted to rest upon the'upper side of the bar, and
coil 0 adapted to bear against the lower side of the bar, as described, for the purpose set forth.
AUGUST W. OBERMANN. Witnesses:
WM. H. LoTz, GEO. FERRIs.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US130858A true US130858A (en) | 1872-08-27 |
Family
ID=2200275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US130858D Expired - Lifetime US130858A (en) | Improvement in bed-bottoms |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US130858A (en) |
-
0
- US US130858D patent/US130858A/en not_active Expired - Lifetime
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