US131476A - Improvement in table-slides - Google Patents

Description

C, W. T HOMAS & W. W. WARREN. Improvement in Table-Slides.

No. 131,476. Patented Sp.17,1872.

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IMPROVEMENT IN TABLE-SLIDES.

Specification forming part of Letters Patent No. 131,436, dated September 17, 1872.

To all whom it may concern:

Be it known that we, CHAS. W. THOMAS and WM. W. WARREN, of Hubbardston, in the county of Ionia and State of Michigan, have invented certain new and useful Improvements in Extension Tables; and do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing making a part of this specification, in which Figure 1 is a plan view of the upper side of our improved table as extended. Fig. 2 is a like view of the lower side of the same when closed; and Fig. 3 is a vertical central section on line ac a; of Fig. 2.

Letters of like name and kind refer to like parts in each of the figures.

The object of our invention is to give increased strength and durability to the extension portions of the table; and it consists in the peculiar construction and combination of the slides or' ways, substantially as and for the purpose hereinafter specified.

In the annexed drawing, A represents the top of a table secured to or upon a rectangular frame, B, and supported by suitable legs 0, all of usual construction. The table'thus formed is divided through its center, and the sections connected together by means of a number of slide bars or ways, D, which have a length just equal to the distance between two frame-bars, B, and are arranged in two series, with the outer bar of each series attached at one end to or upon one section of the top A. Upon their contiguous faces the slide-bars D are tongued' and grooved, as

shown in Fig. 3, while upon the upper and lower sides of each is provided a half-round groove, d, said groove in the outer bars being near their inner edges, while the center bar is provided with a groove near each edge. Upon the upper and lower sides of each outside bar, at or near its outer end, is secured a metal plate, E, which extends horizontally inward over the next slide, and is provided with a tongue or feather, e, which corresponds to and fits into the groove d of said slide and insures the lateral positions of said parts,while allowing of their independent longitudinal movement. A similar plate, E, extends inward from the corresponding end of the middle slide, over the inner or fixed end of the inner slide, and connects the same to or with the other slides of the set, as before described. Suitable studs 6 are provided, against which said plates may strike when the slides have been drawn sufficiently outward.

As constructed and combined the slide-bars have great strength and durability, and as the means employed for securing their relative horizontal and vertical positions are entirely distinct there is little liability to derangement of parts. I

It will be seen that the half-round grooves decrease but slightly the strength of the part left between the same and the edge of the slides, while as usually constructed the sharp corners of the right-angled grooves materially weaken said parts and cause them to split off from said slides when subjected to a slight strain only.

Having thus fully set forth the nature and merits of our' invention, what we claim as new 1s--- The slide-bars D, provided upon their contiguous faces with tongues and grooves connected together by means of the half-round grooves d, plates E, and half-round tongues e, and having their longitudinal motion limited by means of the studs 0, substantially as and for the purpose specified.

CHARLES W. THOMAS. WM. W. WARREN. Signed in presence of- D. R. COREY, HENRY KRIDLER.

ATENT OFFI E-

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