US545884A - Artificial-stone lintel and sill - Google Patents

Description

(No Model.)

I'. I.. FRY & W. J. FISHER. ARTIFICIAL STONE LINTEL AND SILL.

. i-L- e Patented Sept. 10

Fig. ih

llniiTnn STATns FATENT @Trient FRANK LEWIS FRY AND WILLIAM JAMES FISHER, OF PHILADELPHIA, PENNSYLVANIA.

ARTlFlClAL-STONE LINTpEL AND SILL.

SPECIFICATION forming part of Letters Patent No. 545,884, dated September 10, 1895.

Application led March 14, 1895. Serial No. 541,655. (No model.)

To all whom, it may concern,.-

Be it known that we, FRANK LEWIS FRY and WILLIAM JAMES FISHER, citizens of theUnited States, residingat Philadelphia, (Tacony,) in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Artificial-Stone Lintels and Sills, fully described and represented in the following specification and the accompanying drawings, forming a part of the same.

The object of this invention is to provide a means of stiifening and strengthening buildings of brick or stone against the opening of cracks, which are frequently produced bythe settling of the foundation or from other causes.

The invention consists in the means herein shown and described for effecting such object.

The invention will be understood by reference to the annexed drawings, in which- Figure l is an elevation of a lintel and sill embodying our invention in their proper relation as applied to a window, the extremities of their strengthening-bars being connected with the ends of similar bars of the corresponding members of the adjacent windows, the surrounding brickwork being indicated in dotted lines. Fig. 2 is a plan of the same with the brickwork omitted. Fig. 3 is a plan, and Fig. 4- an edge view, of a sill having embedded therein a strengthening member comprising a built-up bar or frame, the sill being shown in dotted lines. Figs. 5 and 6 are perspective views, respectively, of one of the keys 7c and washers 7c upon a larger scale detached from the vertical rods r.

As indicated in the portion of the lintel in section at the left in Fig. l, such member is preferably formed of a body h of concrete molded to the required form and provided with al smooth coat or skimming a. of cement to iinish the same. An iron or steel bar c, of any suitable cross-section, is cast or other` wise formed to correspond with the shape of the lintel (which is shown of arched form in the drawings attached hereto) and is embed-V ded therein with its ends projected beyond the extremities of the said member and formed with the eyes c to receive suitable anchoring devices. The sill d is shown herein as a straight member formed otherwise similarly `offer means of vertical adjustment.

to the lintel a, with a strengthening and stiffening bar e, having eyes e in its projecting ends, but of rectangular cross-section.

In Figs. l and 2 the extremities of the bars c and e of the lintel a and sill d are shown connected with the ends of the strengtheningbars of the corresponding members in the adjacent windows by means of links Z, having eyes registering with those vof the said bars, through which are passed the vertical rods r, extending preferably from top to bottom of the walls of brickwork w. These vertical rods r are shown in the upper portion. of Fig. l provided with shoulders s to sustain the contiguous ends of the bars a and links Z, while such integral shoulders are replaced in. the lower portion of the same figure by the transverse keys 7c with superposed washers 7c to Either expedient may be employed throughout or the supporting-shoulders may be omitted, if desired, as they are unessential to our invention.

As already stated, in lieu of the simplebars c or e for stiffening and strengthening the artiticial-stone members, may be employed the built-up bar or frame illustrated in Figs. 3 and 4, comprising a series of parallel rods h, having their ends bent into eyes h to receive the vertical rods o", as in Figs. l and 2, and tied together by means of the cross-pieces t. W'hile each of. such rods presents an eye for anchorage, it is obvious that only one at each Aend of the structure need be employed, if preferred, and that the others may be wholly omitted.

Although we have shown herein anchoringrods fr, described as extending the entire height of the building, it is obvious that the ends of each of the strengthening-bars c and e may be provided individually with separate anchoring means, the employment of short rods for such purpose rendering it practicable to form the eyes at right angles tothe position shown herein and the anchoring-rods transverse to the wall, if desired.

Having thus set forth our invention, what we claim herein, and desire to secure by Letters Patent, is j 1. As a new article of manufacture, a lintel or similar building member constructed of artificial stone molded to the required form with a metal strengthening and stiftening bar embedded therein of greater length than the said member and having its projecting ends formed with means for anchoring the same in the surrounding stoneor brick-work, as and for the purpose set forth.

2. A building provided with a series of lintels and sills of artificial stone with metal strengthening and stienin g bars embedded therein having their outer ends connected to the ends of the similar bars of the adjacent members, as and for the purpose set forth.

3. A building provided with artificial stone A lintels a, and sills d formed each with a strengthening and stiffening bar embedded

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