US590202A - Spring-mattress - Google Patents
Spring-mattress Download PDFInfo
- Publication number
- US590202A US590202A US590202DA US590202A US 590202 A US590202 A US 590202A US 590202D A US590202D A US 590202DA US 590202 A US590202 A US 590202A
- Authority
- US
- United States
- Prior art keywords
- spring
- springs
- slats
- bed
- mattress
- 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 10
- 239000000203 mixture Substances 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
Images
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
- A47C23/02—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using leaf springs, e.g. metal strips
Definitions
- My invention relates to improvements in bed-springs; and it consists in certain novel details of construction, combinations, and arrangements of parts hereinafter more fully shown and described.
- the object of the invention is to provide a simple, cheap, and durable construction adapted for application to either cots or beds.
- the numeral 1 designates a bedstead of ordinary construction provided on each side board 2 adjoining the ends thereof with cleatblocks 3.
- the bed-springs comprise two end slats 4: 5, a center slat 6, and a series of slats or strips 7, constructed of thin sheets of spring-steel, attached to the said end bars and center bar.
- the center bar is provided at each end thereof with extensible plate-springs 8, connected with the underside thereof and fitting into sockets in the guide-blocks 9, attached to each side board of the bedstead.
- This construction permits the longitudinal spring slats or strips to yield, and during this yielding operation the plate-springs 8 expand, and when the weight is removed from the spring-frame the said plate-springs serve to assist in restoring the longitudinal slats to their normal position and thus prevent the slats from being stretched out of shape.
- the longitudinal slats are of greater length than the distance between the two end bars of the spring and bow or curve upward at the center, so that when a weight is placed thereon the spring expands longitudinally and projects the end bars or pieces farther apart, the cleat-blocks being of sufficient length to permit this motion.
- plate-springs 9 formed with a central loop 10 and two semicircular loop portions 11, said springs being secured to the end pieces by bolts 12.
- the bow-shaped end springs also serve to maintain the longitudinal springslats in bowed position in order to insure sufficient stifiness or rigidity to the bedstead.
- the bed-spring does not rest directly upon the bed, but is connected with a rectangular frame 12, said frame being adapted to rest upon the cleats ordinarily provided for supporting the slats on each sideboard of the bed.
- This spring is provided with cleats 13,in which the end pieces or bars of the spring are adapted to fit and move, and with the extensible plate-springs 8, connected with the inner bar,
- a bed-spring comprising end bars adapted to rest upon said cleatblocks, a center bar provided at each end with pendent extensible plate-springs adapted to rest upon and move in said guide-blocks
Landscapes
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Description
(No Model.) i 2 SheetsSheet 1.
I. ALTER.
SPRING MATTRESS.
No. 590,202. Patented Sept. 21,1897.
INVENTYOR (No Model.) 1 2 Sheets-Sheet 2. I. ALTER. SPRING MATTRESS.
No. 590,202. Patented Sept. 21, 1897,
WITNESSES INVENTORi w%,- I v km;
JNiTEn f ATEN'I rricn.
SPRING-MATTRESS.
SPECIFICATION forming part of Letters Patent No. 590,202, dated September 21, 1897.
Application filed March 1, 1897. Serial No. 625,451. (No model.) 1
T0 aZZ whom, it may concern.-
Be it known that I, ISAAC ALTER, a citizen of the United States, residing at Lakeport, in the county of Lake and State of California, have invented certain new and useful Improvements in Spring-Mattresses; and I do hereby declare the following to be a full, clear, and exact description of the invention,such as will enable others skilled in-the art to which it appertains to make and use the same.
My invention relates to improvements in bed-springs; and it consists in certain novel details of construction, combinations, and arrangements of parts hereinafter more fully shown and described.
The object of the invention is to provide a simple, cheap, and durable construction adapted for application to either cots or beds.
Referring to the drawings, Figs. 1, 2, and
3, the numeral 1 designates a bedstead of ordinary construction provided on each side board 2 adjoining the ends thereof with cleatblocks 3. The bed-springs comprise two end slats 4: 5, a center slat 6, and a series of slats or strips 7, constructed of thin sheets of spring-steel, attached to the said end bars and center bar. In practice the two end bars set down upon and are supported by the said cleat-blocks. The center bar is provided at each end thereof with extensible plate-springs 8, connected with the underside thereof and fitting into sockets in the guide-blocks 9, attached to each side board of the bedstead. This construction permits the longitudinal spring slats or strips to yield, and during this yielding operation the plate-springs 8 expand, and when the weight is removed from the spring-frame the said plate-springs serve to assist in restoring the longitudinal slats to their normal position and thus prevent the slats from being stretched out of shape.
Normally the longitudinal slats are of greater length than the distance between the two end bars of the spring and bow or curve upward at the center, so that when a weight is placed thereon the spring expands longitudinally and projects the end bars or pieces farther apart, the cleat-blocks being of sufficient length to permit this motion. Connected with each of the said end bars or pieces are plate-springs 9, formed witha central loop 10 and two semicircular loop portions 11, said springs being secured to the end pieces by bolts 12. These springs are adapted to bear against the head-piece and foot-board of the bed and give when the longitudinal springslats are forced down and are adapted to relieve the tension thereon and when the weight is removed from the spring-slats return the latter to their normal position. Thus provision is made for this action at both the sides and ends of the bed-springs, and consequently the spring will always maintain its shape. The bow-shaped end springs also serve to maintain the longitudinal springslats in bowed position in order to insure sufficient stifiness or rigidity to the bedstead.
In the construction shown in Figs. 4, 5, and 6 the bed-spring does not rest directly upon the bed, but is connected with a rectangular frame 12, said frame being adapted to rest upon the cleats ordinarily provided for supporting the slats on each sideboard of the bed. This spring is provided with cleats 13,in which the end pieces or bars of the spring are adapted to fit and move, and with the extensible plate-springs 8, connected with the inner bar,
In combination with a bedstead having its side boards provided at each end with cleatblocks or supports, and at the center with grooved supports, a bed-spring comprising end bars adapted to rest upon said cleatblocks, a center bar provided at each end with pendent extensible plate-springs adapted to rest upon and move in said guide-blocks, In testimony whereof I have signed this a series of longitudinally-extending springspecification in the presence of two snbscrib- :0 metal slats or strips connected with said bars, ing Witnesses.
and a sprin connected with each end bar 5 and adapted to bear respectively against the ISAAC AL head and foot boards of the bed and mainitnesses: tain the longitudinal spring-slats in proper FRANK HOWE,
position, substantially as described. V. L. RIDEOUT.
Publications (1)
Publication Number | Publication Date |
---|---|
US590202A true US590202A (en) | 1897-09-21 |
Family
ID=2658861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US590202D Expired - Lifetime US590202A (en) | Spring-mattress |
Country Status (1)
Country | Link |
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US (1) | US590202A (en) |
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0
- US US590202D patent/US590202A/en not_active Expired - Lifetime
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