US1412573A - Building block - Google Patents

Description

1. c. POTH AND H. R. ERDMANN.

- BUILDING BLOCK. APPLICATION FILED JUNE 15, 1920.

1,412,573. Patented-Apr- 11, 1922 I 2 SHEETSFSHEET n. 39

h 1D b 11% dos eph [3 PcrH-L Ha rman R Er dm J. C. POTH AND H. 'R. ERDMANN. BUILDING BLOCK. As PucAnou FILED JUNE 15, 1920.

1,412,.57 3. Patented Apr. 11, 1922.

2 SHEETSSHEET 2- ags" 110551311 ILLPEI L HBrmanE E1-*dmarm United States, and residents of FUNITED I JOSEPH o. PO'IH T all whom it may concern:

Be'it knownthat we, JosErH C. Porn and Hnnimnlt: Ennarann, both citizens of the Milwaukee, in" the county of Milwaukee and State of \Visconsimhave invented certain new and useful Improvements in Building Blocks; andwe do hereby declare that the following :"isa full, clear, and exact description thereof.

Our invention relates to new and useful improvements in building units such as the usual hollow concrete or tile blocks generally in use as a material for constructing dw el'lings and other buildings.

'It'is one important object of our invention to provide a simply constructed building block which can be inexpensively made of concrete and the like, and which will have every effective means for retainingthe several blocks forming a wall against possible longitudinal or transverse shifting.

A further important object of the inventionis to )rovide a building block having means in one or more of its exposed faces, whereby when a number of such blocks are associated together in the form of a wall, an extremely effective binding may be obtained therebetween.

Still another object of the invention is to provide a ventilated building block having means for association with the ventilating opening of adjacent blocks which will prevent the plurality of blocks forming a wall from shifting with respect to each other.

lVith these general objects in view, theinvention resides in the novel features of construction, combination and arrangement of parts which will be hereinafter more particularly described and claimed.

In the accompanying drawings,

Figure 1 represents an elevational view of a portion of one corner of a building wall fashioned of our improved blocks.

Figure 2 is a plane view of the corner portion of an unfinished wall.

' Figure 3 is a longitudinal sectional view taken substantially on the plane of the line 33 of Figure 2. r

Figure 4C is a vertical transverse sectlon on the plane of the line H of Figure 3. and

Figure 5 is a perspective view, of a slightl v modified form of building block having all of the features shown in the other blocks represented in Figures 1 to 4:, together with certain additional features.

In using our improved block, various dif- Specification of Letters Patent.

AND HERMAN R. ERDMANN; or MILWAUKEE, wIsooNsrN.

isnrrinrns- Brook.

Patented Apr. 11, 1922.

1 'Application filed June 15, 1920. Serial No. 389,097.

ferentarrangements may be employed in assembling the same, and also changes may be made in the form andp'roportions and in the minor details of construction without departing from the principles of the invention or sacrificing any of the important advauta For instance, in Figure 2 is shown a corner block which is slightly different from the ordinary intermediate wall blocks, while in Figure 5 is depicted a block somewhat different from the other illustrated embodiments of the invention.

Refcrring'more particularly to these drawings, it will be seen that we may constructa wallof any suitable size and shape with a number of our improved blocks 1, each of which is substantially rectangular and is provided with a longitudinally extending substantially rectangular recess 2 opening through the top and bottom thereof. As indicated in Figure 3 the several recesses in the plurality of blocks 1 forming the wall are not alined, but there is communication therebetween so that proper ventilation may be procured. Each of the blocks 1 has a vertically extending centrally located tongue 3 at one end, and in a similar position at the other end is provided a vertical channel 4.

he tongues 3 and channels 4 are of a corresponding size and shape, and when-the blocks are assembled the tongue of one of the same is located in the channel of the next adjacent block in the same horizontal row. However, when an end or corner block 1' is used, the usual end channel is omitted and instead is formed in one of the side walls as shown at i in Figure 2. Thus the ordinary formation of the outer exposed face of the wall may be similar throughout the surface thereof.

Each end of the recess 2 is provided with upstanding lugs 5, these lugs projecting above the upper surface of the block a sufiicient distance to effectively co-operate with the faces of the recesses in the adjacent blocks when the plurality of said blocks are assembled. Obviously if it is considered necessary or desirable, these lugs may depend from the bottoms of the blocks, or in nioling the same, said blocks may be inverted.

Likewise each of. the blocks 1 and 1' has outer exposed face provided at each orner with a rabbet G. in other words these rabhets extend around the entire outer exposed face of the block as shown in Figure providing an effective seal and a means for preventing shifting of the different blocks. inasmuch as it is desirable to coat the outer and inner surfaces of the building Wall, sald surfaces are roughened or provided with ture which will be a very great improvesmall horizontally extending grooves 9. In other words, these surfaces are so formed as to provide the necessary adhesion between the same and the covering material, such as stucco or the like on the outer surface and plaster on the inner surface.

When the plurality o l blocks are assembled as shown in Figures 1, 2, 3 and 4, the tongues 3 will be located in their respective channels 4 and the lugs 5 in the adjacent recesses 2 of the blocks in the neXt higher row. Under ordinary circumstances the tongues and grooves would prevent lateral shifting of the blocks, ,but the provision of the lugs in co-operation with the ventilating recesses provide a still further improvement in the wall. And, in addition to these features the dovetail binding between the corner portions of each of the blocks provides a strucof the lugs being disposed in a perpendicular 7 plane and meeting the upper surface of the block in a line which is in the same plane as the side faces of the opening whereby when the blocks are laid in staggered relation the lugs of each block will project into the opening in the block above and center said block so that the adjacent rabbets of two contiguous blocks willregister to form a dovetail to receive plastic building and surfacing material.

In testimony that we claim the foregoing we have hereunto set our hands at Milwaukee, in the county of Milwaukee and State of lViseonsin.

JOSEPH C. POTH. HERMAN .R. ERDMANN.

Images