US133533A - Feedeeiok w - Google Patents
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- Publication number
- US133533A US133533A US133533DA US133533A US 133533 A US133533 A US 133533A US 133533D A US133533D A US 133533DA US 133533 A US133533 A US 133533A
- Authority
- US
- United States
- Prior art keywords
- wire
- mattress
- springs
- spiral
- spring
- 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
- 238000005452 bending Methods 0.000 description 2
- 230000003467 diminishing Effects 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
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/32—Changing a single bed into a double bed by extending, pivoting, or tilting a previously hidden second mattress or other bed part
Definitions
- my invention consists in the arrangement of spiral wire springs braided or linked together so as to form a connected web of woven wire, in combination with downwardlycurved side rails, rods, or bars passing through the outer rows of the spiral springs and fastened to the sides of the frame, whereby, by increasing or diminishing the downwardly'curve of said side rails or bars, any desi-red curve can be given to the surface of the mattress.
- Figure I represents a top view of a mattress embodying my invention
- Fig. II is a longi tudinal section of the same without the wire springs
- Fig. III is a cross-section at line 2
- Fig. I and Fig. IV is a cross-section at line 5 6, Fig. I.
- the frame of the mattress is formed by the side rails A A, the bar B on the head, and the bottom strut or brace O securelyr fastened together.
- the top strut or brace D is made to move in suitable slots in the side rails A A, and is fastened to the top bar B by means of screws n n.
- spiral wire springs E are stretched, linked together either single or double, so as to form one c onnected web of woven wire between the frame.
- the ends of the spiral springs E are hooked upon prongs or projections m made on the inner edges of the struts G and D, and by means ofthe screws n n any desired tension may be given to this web of wire springs length wise.
- rods or bars G are passed, 'bent or curved downward equally from the two eX- tremes in the central part, (see Fig. 11,) and securely fastened, by means of hooked bolts s, to the side rails A A.
- the spring web E is bentv downward at the sides so as toform a curved surface on the top of the mattress, as shown in Fig. 1V, the amount of eurvation depending upon the downwardly bending of the side rods or bars Gr.
- the prongs 0r projections m ou the inner edges of the struts C and D to hook the ends of the spiral wire springs on, substantially as herein described.
Description
F. W. HOFFMANN.4
Wire-Spring Matresses Patented rm. 3,1872.
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STATES PATENTI OFFICE.
IMPROVEMENT IN WIRE-SPRING MATTRESSES.
Specification forming part of Letters Patent No. 133,633, dated December 3, 1872.
To all chem it muy concern:
Be it known that I, FREDERICK W. HOFF- MANN, of Morrisania, in the county of Westchester, in the State of New-York, have invented a new and Improved Wire-Spring Mattress, of which the followingis a specifica-tion:
The nature of my invention consists in the arrangement of spiral wire springs braided or linked together so as to form a connected web of woven wire, in combination with downwardlycurved side rails, rods, or bars passing through the outer rows of the spiral springs and fastened to the sides of the frame, whereby, by increasing or diminishing the downwardly'curve of said side rails or bars, any desi-red curve can be given to the surface of the mattress.
Figure I represents a top view of a mattress embodying my invention; Fig. II is a longi tudinal section of the same without the wire springs; Fig. III is a cross-section at line 2 3, Fig. I and Fig. IV is a cross-section at line 5 6, Fig. I.
The frame of the mattress is formed by the side rails A A, the bar B on the head, and the bottom strut or brace O securelyr fastened together. The top strut or brace D is made to move in suitable slots in the side rails A A, and is fastened to the top bar B by means of screws n n. Between the struts O and D spiral wire springs E are stretched, linked together either single or double, so as to form one c onnected web of woven wire between the frame.
The ends of the spiral springs E are hooked upon prongs or projections m made on the inner edges of the struts G and D, and by means ofthe screws n n any desired tension may be given to this web of wire springs length wise. Through the outer or side rows of the spiral springs rods or bars G are passed, 'bent or curved downward equally from the two eX- tremes in the central part, (see Fig. 11,) and securely fastened, by means of hooked bolts s, to the side rails A A. By this arrangement the spring web E is bentv downward at the sides so as toform a curved surface on the top of the mattress, as shown in Fig. 1V, the amount of eurvation depending upon the downwardly bending of the side rods or bars Gr.
I do not claim a mattress composed of spiral wire springs linked together to form a connected web; but
What I cla-im as my invention, and desire to secure byLetters Patent, is-
1. The downwardly curved or bent side rods orbars G, in combination with the linked spring wire bottom or mattress E, substantially as and for the purpose hereinbefore set forth.
2. The prongs 0r projections m ou the inner edges of the struts C and D to hook the ends of the spiral wire springs on, substantially as herein described.
FREDERICK W. HOFFMANN.
Witnesses:
HENRY E. ROEDER, EMIL R. HOFFMANN.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US133533A true US133533A (en) | 1872-12-03 |
Family
ID=2202949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US133533D Expired - Lifetime US133533A (en) | Feedeeiok w |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US133533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2676335A (en) * | 1952-02-29 | 1954-04-27 | Goodman Robert | Davenport with section lock and support |
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0
- US US133533D patent/US133533A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2676335A (en) * | 1952-02-29 | 1954-04-27 | Goodman Robert | Davenport with section lock and support |
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