US739171A - Wire mattress. - Google Patents

Description

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WIRE MATTRESS.

APPLICATION FILED JAN. 28, 1903.

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No. 739,171 PATENTED SEPT.15,19'03.

- J. 1), HAGGARD.

WIRE MATTRESS.

APPLICATION FILED JAN. 28, 1903.

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UNITED STATES Patented; September 15, 1903.

PATENT OFFICE.

JOHN D. I-IAGGARD, OF CHICAGO, ILLINOIS, ASSIGNOR TO-IIAGGARD & MAROUSSON COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

WIRE MATTRESS.

SPECIFICATION forming part of Letters Patent No. 739,171, dated September 15, 1903.

Application filed January 28, 1903. Serial No. 140,871. (No model.)

To aZZ whom it may concern.-

Be it known that 1, JOHN D. HAGGARD, a citizen of the United States, residing at Ohicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Wire 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.-

This invention relates to improvements in wire mattresses, and has for its object to pro vide a means for staying and stretching the woven fabric from time to time in maintaining the elasticity of mattresses indefinitely and prevent undue sagging.

In the drawings, Figure 1 is a plan of a mattress and frame to which it is attached. Fig.

2 is a broken-away exaggerated detail; and

Fig. 3 is a transverse section on line 3, Fig. 1, looking in the direction indicated by the arrow.

A A represent the companion side rails, and B B the end rails, composing the usual mattress-frame, all of which are properly secured together, the woven-wire mattress'O being attached to the framein the usual manner.

The companion stretching. and strengthening cables 4 and 5 are located as at opposite sides of the mattress and are adapted to be run along thereunder. The ends of cable 4 are secured to the corners of the frame on the same side, as at a, and the ends of cable 5 to' same are fastened, so as to provide a slack' position, which can be bowed inward under the mattress in the strained position illustrated in Fig. 1. In this position the part 6 of each cable, starting from the respective ends, runs at an angle diagonal to the side rails. The intermediate portion 7 of the cables between the diagonal parts run in a straight line and paralleltheside rails. The cables are retained in this normal strained position by means of what may be termed floating stay-rods 8 and 9-thatis, one for each cable-and which are located on the inner side thereof and parallel with the central .ric becomes slack from use.

portion 7. These stay-rods are positioned lengthwise of the mattress, the free ends stopping short of the end rails of the frame. The rods are looselyinserted in the meshes of the fabric, Figs. 2 and 3, so that the position of the same may be changed from time to time in increasing the stretching strain as the fab- This is accomplished by shifting the position of the stayrods inward in the direction of each other as often as may be necessary. The cables and stay-rods are connected by a number of open detachable links 10, which are disposed at intervals. The cables are not interwoven with the fabric, but press close against the under side thereof in the operation of stretching and stifiening the same.

The article is shown in its completed condition, Fig. 1, just as it is sent out of the factory, the fabric being stretched taut. It will be noted that the floating stayrods are shown somewhat longer than the straight portions of the cables and extend past the junction with the diagonal parts and provide an A- shaped space 9 therebetween. After the fabric has become a little slack from use it may be stretched by simply shifting the end links 10 outward, which increases the strain on the fabric and cables and contracts the A space. When the fabric can no longer be stretched sufliciently to take up the slack by shiftingthe end links, all the links may be disengaged and the stay-rods moved to a new position, the links again inserted in theirlocking connection, and the fabric drawn taut. The stay-rods being set in a plain higher than that of the cables the connecting-links assume an inclined position, Figs. 2and 3, with an upward pull on the cable and a lateral strain on the fabric. The stay-rods may also be moved endwise in the direction of either end of the frame from that of the position shown, as may be necessary in stretching different parts of the fabric, or one rod may be moved in the direction of the head end and the companion rod toward the foot end of the mattress, so that they occupy a diagonal position with reference to each other. In fact the stay-rods may be so positioned with reference to the cables as to exert a stretching action from any direction and the strain or ICO tension varied proportionate to the amount of slack in any particular place.

A greater number of cables and stay-rods may be used; but the number shown is ordinarily sufficient.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is

1. A stretching and strengthening device for woven-wire mattresses, comprising companion cables located at opposite sides of the mattress and running longitudinally thereunder and having their respective ends socured to the corners of the frame, stay-rods anchored in the mattress toward the center thereof, and means for connecting said cables and rods in exerting a straining action in taking up the slack in the woven fabric, substantially as set forth.

2. A stretching device for woven mattresses, comprising companion cables located at opposite sides of the mattress and having their ends secured to the respective corners of the mattress-frame and running lengthwise of and underneath the woven fabric, floating stay-rods inserted in the meshes of the fabric toward the center thereof, and detachable means for joining the cables and rods in their stretching position, substantially as set forth.

3. The combination with a wire mattress of companion cables located at opposite sides thereof and having the ends secured to the respective corners of the mattress-frame and of companion cables having their ends permanently secured to the respective corners of the mattress-frame and having a slack portion extending underneath the mattress from each side and running lengthwise thereof, stay-rods loosely inserted in the woven fabric toward the center and the inclined links connecting said'cables and stay-rods in a straining position and taking up the slack in the fabric, substantially as set forth.

5. The combination with a wire mattress, of companion cables positioned along each side thereof and extending underneath the same at an angle, of companion stay-rods inserted in the meshes of the fabric from each side toward the center and adapted to be shifted to dilferent positions with reference to the cables, and the movable links connecting the cables and stay-rodsin their joint relation, substantially as set forth.

In testimony whereof I aflix my signature in presence of two witnesses.

JOHN D. l-IAGGARD.

Witnesses:

L. B. COUPLAND, J. B. DONALSON.

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