US636982A - Beam-shoe. - Google Patents

Description

No. 636,982. -Patentd Nov. I4, |899.

w. c. HANNA, 1n. BEAM SHOE.

(Applieation ledrDec. 80, 1898,)

"(No Modal.)

WIM/8858.'

1w: umus perras oo.. Pno'amlwo.. WASHINGTON. n. c.

v UNITED STATES PATENT OFFICE.

WILLIAM 0. HANNA, JR., OF NEW YORK, N. Y., ASSIGNOR TO JOSEPH W.

' FISKE, OF SAME PLACE.

BEAM-SHOE.

SPECIFICATION formingpart of Letters Patent No. 636,982, dated November 14, 1899. Tippmann rita Decembei 30,1898. sera1N0.7oo,757. (Nomodei.)

To @ZZ whom t may concern:

Beit known that I, WILLIAM C. I-IANNA, Jr., of the city, county, and State of New York, have invented certain new and useful Improvements in Beam-Shoes, of which the following is a full, clear, and exact description.

vMy invention relates to improvements in beam-shoes-that is, to that class of devices which are used to sustain the ends of beams or timbers-the shoe being supported in a chimney or other wall.

One object of my invention is to produce an extremely cheap and simple device of this character which can be cast in one or more pieces, which has base-flanges adapted to be embedded securely in the wall, which has interior air-channels sunk in the side and end walls in such a Way as to effect a perfect air circulation around the beam end, thus rendering it unlikely that the beam shall catch fire from any heat in an adjacent chimney or decay by dry rot, and which has exterior corrugations or channels adapted to get a iirm grip on the adjacent brick and mortar orother material of the wall.

Another object is to provide a device of this character which can be conveniently cast of a shape to fit the beam end as it is usually made and to aord an extremely iii-rn and safe support for the same.v

To these ends my invention consists of a beam-shoe the construction and arrangement of which will be hereinafter described and claimed.

Figure 1 is a perspective View of the beamshoe embodyingmy invention and shows also an adjacent beam end in position to be pushed into the beam-shoe. Fig. 2 is a vertical section on-fthe line 2 2 of Fig. 3. Fig. 3 is a plan view of the device, and Fig. 4 is a broken front view of a modification of the invention.

Obviously the device can be made of any suitable material; but it is preferably made of cast-iron, and if good strength is required the casting should be malleable.

The device has a bottom 10, which is prolonged to form the side flanges 10a, and springing upward from the bottom are the parallel sides 11 of the shoe, which connect with the top 12. The shoe has an inclined back wall 13, (shown in Figs. 2 and 3,) and it will be seen, especially by reference to Fig. 2, that a pocket is thus formed which is open in front and which is comparatively broad at the bottom and narrow at the top, thus adapting it to receive the end of a beam 16, as it is known that such beams are usually beveled off at the ends.

The main object of my invention is to protect the beam from adjacent heat in chimneys o r hot-air i'lues, and to this end the shoe has air-channels 14, which begin at the bottom and r'un inward to the back, thence up the back, and finally out at the top, as the drawings clearly show. Thus it will be seen that there is a free circulation around the beam end, and to further protect the beam the shoe has side channels 15, which run along the inner side walls to the back.

In casting the shoe it is desirable to have the metal of practically an even thickness, and this can be done by making a series of exterior grooves 14"L and 15a, these coming at points on the outer wall opposite the spaces lying between the air-channels on the inner wall. Thus the outer wall, as well as the inner, is given a corrugated effect, so that when the brick and mortar are built around the shoe the mortar enters the grooves and the shoe is held securely in place, particularly when it is considered that the flanges 10a are embedded also in the wall. p

From the foregoing description it will be evident that this device is of the simplest character, that it is extremely cheap, and that it is admirably adapted to support a beam end and keep the said end as cool as possible.

In Fig. 4 is shown a slightly-modified form of the device, which is especially adapted for use on large beams and which is like the shoe already described, except that the top part of the device is separable from the base l0 at the point where the two parts join, as the drawing clearly shows. It is an evident fact that if the device is made separable it may be divided on other lines without affecting the invention.

Having thus described my invention, I claim as new and desire to secure by Letters Patent-"- 1. A device of the character described,

comprising a shoe having one open side, a base-flange and interior air-channels extending along the bottom from the front edges to the back, thence up the back and out at the top edge, substantially as described.

2. As an improved article of manufacture, a beam-shoe provided with air-channels eX- tending from the front edge inward on the bottom Wall, thence upward along the back Walls and finally outward along the top Wall, substantially as described.

3. As an improved article of manufacture, a beam-shoe provided with interior air-channels sunk in the Walls thereof and extending from the edges inward, and exterior corrugations and grooves, the said exterior corrugations being formed opposite the interior grooves, substantially as described.

4. As an improved article of manufacture, a beam-shoe having inner air-channels providing an air circulation around the end of a beam when contained in the shoe, and a serie`s of alternating grooves and corrugations formed in the outer wall, substantially as described.

WILLIAM C. IIANNA, JR.

lVitnesses:

CHARLES F. DAvIEs, STACY R. HILLS.

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