US57031A - Improved bed-bottom - Google Patents

Description

UNITED STATES PATENT OFFICE.

J. E. WILSEY, OF CHICAGO, ILLINOIS, AND D. FORBES, OF SCOTLAND, GREAT BRITAIN.

IMPRo'vl-:D BED-BOTTOM.

Specification forming part of Letters Patent No. 57,031, dated August 7, 1866.

To all whom it may concern:

Be it known that we, J. E. WILsEY, of Chicago, in the county of Cook and State of Illinois, and D. FORBES, of Scotland, Great Britain, have invented new and useful Improvements in the Slat and Spring Bed-Bot toms; and we do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, making part of this specification, in which Figure l represents the elevation of our bedbottom, and Fig. 2 the top view of the same.

The object of our invention is to produce a slat and spring bed-bottom so constructed that the upper onbed slats would be supported by springs, not only at their ends, but also in their middle, and to combine slats and springs in such wayvas to transfer the weight pressed on a few slats to a great many springs, instead of confining .it to the few springs under the slats on which the weight is pressed.

To enable others skilled in the art to make and use our invention, We will describe its construction and operation.

The upper and the lower side slats, AB, are both bolted in theirxmiddle to a key cross-slat, C, each of them being bolted also tothe cr0ssslats D E.

The slats D D have grooves for the ends of the upper bed-slats, FF, to go into, said grooves having sufficient depth to permit the slats to play in them longitudinally when pressed down. Spiral springs G G are put between and fastened by staples to the upper and lower side slats, AB,-thus making out of these slats a kind of bow-sprin gs. At the same time spiral springs H H, fastened by staples to the keyslat C, support the upper bed-slats, F F, in their middle. Bolts and nuts are used to join the corners of the frame. The springs are fastened to the slats by staples, except those (H H) of the middle, the upper ends of which being turned upward and entering small holes ff of the slats F F.

It may be readily perceived from the above description that when a pressure is exercised on one, two, or more slats, F F, this pressure is transferred not only to the springs H .H corresponding to those slats, but also more or less to all the springs G G, and this pressure on the springs G G is considerably lessened by the springiness of the side slats, A B.

It may be also readily seen that the slats F F, having springs under their middle, cannot be bent at all in the middle, as it generally happens to other bed-bottom arrangements in Which slats have springs at their ends only.

If the bolts are taken out, the Whole arrangement may be taken apart-a thing very convenient in transportation.

Having thus described our slat and spring bed-bottom, what we claim as our invention, and desire to secure by Letters Patent, is-

The combination and arrangement of the slats B and A, the latter being provided at their ends with the rabbeted cross-bars D for the reception of the slats F, with the spiral springs G and H interposed, as shown and described.

J E. WILSEY. D. FORBES.

Witnesses J. B. TURGHIN, A. MAUEE.

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