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David G. Beeching
3 of 3
SPECIFICATION forming part of Letter Patent No. 582,893, dated May 18, 1897.
Application filed August 14, 1896. Serial No. 602,739. (No model.)
To all whom it may concern:
    Be it known that I, DAVID G. BEECHING, a citizen of the United States, and a resident of Leonia, in the county of Bergen and State of New Jersey, have invented certain new and useful Improvements in Translucent Tiles, of which the following is a specification.
    My invention relates to a new article of manufacture which is an improvement in translucent tiles to be used in skylights, pavements, or otherwise.
    I have illustrated my invention in the accompanying drawings, in which I have designated the parts by letters, referring to like parts by like letters.
    Figure 1 is a perspective view of the grating employed by me, showing a glass or lens in one light-hole and the other hole without the glass also showing my improved lead portion as introduced without the cement. Fig. 2 is a vertical section taken on the line x x showing the grating, the glass lens, the lead portion, and the cement. Fig. 3 is a perspective of one of the lead pieces shown in Fig. 1. Figs. 4 and 5 show another construction of the lead part which I may employ.
    The several parts referred to in the drawings may be described as follows:
    A may be said to represent the grating generally, which is usually made in the form of a box with four or more sides, two of which are shown and indicated as a8 and a9. These are of preferably an elevation nearly in the plane of the top of the lens. This base is provided with light-holes, as a7, &c., of a size to receive the glass lights or lenses of any desired form and of a height when seated in the light-hole a7 to be in the same plane as the top of the rim a8 a9, &c., and I prefer to dispose these light-holes a7, &c., in what may be termed a "triangular" arrangement, such as that shown in the drawings, as I find this the most economical disposition to make of such holes-- that is to say, I am able by this arrangement to get a larger area within a given space. In order to give rigidity and strength to the base A, I provide the base with braces a', a2, a3, a4, a5, and a6 at right angles thereto, and I interpose these braces between the light-holes. I prefer to make them not so high as the rim a8 and a9. B is a lens of any desired form.
I have indicated the same as round and of an elevation equal with that of the outside rim a8 and a9 when the same is seated in the light-hole a7 and of a form to be seated in the light-hole a7.
    C represents a triangular piece of lead or equivalent substance. (Shown in detail in Fig. 3.) I introduce pieces of this general form between the braces and the lens, as indicated in Fig. 1, so that the sides thereof c' and fit into the triangular portions of the braces and the sharp edge c5 makes contact with the lens B. It will be understood that this is the form suitable to be used with a tile of the form indicated in the drawings. Should the tile, however, be round or any other form, that end of the piece C bearing on the rim of the brace should conform thereto. The edge c5, however, is always intended to bear on the lens. In Fig. 2 I have shown a section taken on the lines x x, and I have indicated the concrete or cement as having been introduced into the vacant spaces around the lens and smoothed off to a level with the rim of the base A and on a level with the edge of the lens.
    In Figs. 4 and 5 I have indicated a second form of construction which I may employ under certain conditions. The object of this form of construction is to provide a convenient means of applying the lead piece and consists simply of three of the portions C put together, with a space to permit the lead to fit over that portion of the brace where the three braces meet. I have indicated this in the top view of Fig. 4 as D and in a perspective view in Fig. 5, where d', , and indicate the edges of the lead portion and d4, d5, and d6 indicate the portions which are removed from this triangular lead piece to permit the braces a', , and a6 to be introduced.
    The object of my invention is to provide an element in the combination of parts which go to make up a translucent tile of this general character which will by its peculiar character compensate for the uneven expansion and contraction of the elements that go to make up the tile when completed. These elements consist, first, of the iron grating A, with its accompanying walls a8 a9, &c., and braces a' to a6, &c.; second, of the glass lens B; third, of the lead or equivalent parts C, and, fourth,