US146227A - Improvement in bed-bottoms - Google Patents

Improvement in bed-bottoms Download PDF

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US146227A
US146227A US146227DA US146227A US 146227 A US146227 A US 146227A US 146227D A US146227D A US 146227DA US 146227 A US146227 A US 146227A
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bed
bottoms
links
improvement
web
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C23/00Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/12Spring 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
    • A47C23/18Spring 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 of resilient webbing

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  • the nature of our invention consists, first, inconstructing a bed-bottom of parallel articulated bands of sheet metal, composed of links interlocked by T-lieads and T- slots, formed at opposite ends of each, and suitably stretched upon a rectangular wooden frame, the several bands being connected together by transverse links to provide for a distribution of the strain secondly, in adjustably securing the ends of the several bands to independent springs, so that the tension of the metallic web along different lines of its surface can be regulated at pleasure to suit the circumstances; thirdly, in stretching the metallic web over elevated rounded bars or rollers on the end rails of the frame, and fastening the several bands to separate volute-sprin gs arranged in sockets in the under side of said end rails.
  • Figure 1 is a plan view of our improved bed-bottom.
  • Fig. 21 s a vertical longitudinal section.
  • Fig. 3 illustrates one of the sheet-metal links on an enlarged scale.
  • Fig. 4 shows, in section, a modification in the construction of the end rails of the frame.
  • the links composing the web of thebed-bottom may be made of any suitable kind of thin metal; but, for the sake of cheapness, we prefer to use sheet-iron struck out by suitable dies, and either galvanized or nickel-plated.
  • Our invention is applicable to sofas, chairs, 820., although it is more especially designed for use in the construction of bed-bottoms, as hereinbefore explained.
  • a bed-bottom the web of which consists of articulated bands or chains composed of links of sheet metal interlocked by T-heads and T-slots, in the manner substantially as specified.

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Description

M. BR I EL & J. 6. KB I E6 E3.
Bed-Bottoms. Patented Jan. 6 1874.
, L igst-gimm UNITED STATES PATENT OFFIon.
MICHAEL BRIEL AND JOHN G. xnrnenn, or wAsHINeToN, n. o.
IMPROVEMENT IN BED-BOTTOMS.
Specification forming part of Letters Patent No. 146.227, dated January 6, 1874; application file December 10, 1873.
To all whom it may concern:
Be it known that we, MICHAEL BRIEL and JOHN G. KRIEGER, both of Washington, in the District of Columbia, have invented certain Improvements in BedBottoms, of which the following is a full, clear, and exact specification:
The nature of our invention consists, first, inconstructing a bed-bottom of parallel articulated bands of sheet metal, composed of links interlocked by T-lieads and T- slots, formed at opposite ends of each, and suitably stretched upon a rectangular wooden frame, the several bands being connected together by transverse links to provide for a distribution of the strain secondly, in adjustably securing the ends of the several bands to independent springs, so that the tension of the metallic web along different lines of its surface can be regulated at pleasure to suit the circumstances; thirdly, in stretching the metallic web over elevated rounded bars or rollers on the end rails of the frame, and fastening the several bands to separate volute-sprin gs arranged in sockets in the under side of said end rails.
In the annexed drawings, Figure 1 is a plan view of our improved bed-bottom. Fig. 21s a vertical longitudinal section. Fig. 3 illustrates one of the sheet-metal links on an enlarged scale. Fig. 4 shows, in section, a modification in the construction of the end rails of the frame.
The same letters of reference are used in all the figures in the designation of identical link B has at one end a T-head, b, and at the other end a T-slot, b; and the bands or chains are formed by locking the T- head of one link in the T'slot of the next, as clearly illustrated in Figs. 1 and 2. The several bands or chains B are connected together by a number of transverse links, B the ends of which are folded to hook into the slots in the links 13 The metallic web thus made is stretched either over rollers O mounted in bearings on the end rails of the frame, or over a rounded bar, 0, formed on the end rails, as shown in Fig. 4; and the end links of the several bands or chains are attached to the hooks of bolts 1), which pass through the inverted volute-springs E, and carry at their lower ends nuts (1, which serve both as shoulders to form bearings for one ,end of the springs and as a means for regulating the tension of the springs. The latter are placed in sockets or recesses formed in the under side of the end rails of the frame. Each band or chain is thus secured separately to independent springs, so that the tension of any one or more of the chains can be increased or diminished without affecting thatof the others. The stiffness of the web may, therefore, be readily so regulated on opposite sides as to support two persons of unequal weight without sinking lower on one side than on the other.
The links composing the web of thebed-bottom may be made of any suitable kind of thin metal; but, for the sake of cheapness, we prefer to use sheet-iron struck out by suitable dies, and either galvanized or nickel-plated.
Our invention is applicable to sofas, chairs, 820., although it is more especially designed for use in the construction of bed-bottoms, as hereinbefore explained.
What we claim as our invention, and desire to secure 'by Letters Patent, is-
1. A bed-bottom, the web of which consists of articulated bands or chains composed of links of sheet metal interlocked by T-heads and T-slots, in the manner substantially as specified.
2. The combination of the metallic articulated bands B of the web of the bed-bottom, rollers 0, bolts 1) d, and springs E, substantially as and for the purpose specified.
In testimony whereof we have signed our names to the foregoing specification in the presence of two subscribing witnesses.
MICHAEL BRIEL. JOHN G. KRIEGER.
WVitnesses: B. Enw. J. EILs. E1). 0. MUNoK.
US146227D Improvement in bed-bottoms Expired - Lifetime US146227A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005008171A1 (en) * 2003-07-09 2005-01-27 Black & Decker Inc. Power tool with integrated tape measure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005008171A1 (en) * 2003-07-09 2005-01-27 Black & Decker Inc. Power tool with integrated tape measure

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