US1239326A - Block-machine. - Google Patents

Description

c. s. warn. BLOCK MACHINE. "memo mznjza. is. .1916.

Patentedsept. 4,1917;

4 SHEETS-SHEET I ghvcr vllsw C. S. WERT.

c. s. WEI-1T.

BLOCK MACHINE.

APPLICATION FILED FEB- l8. I916.

Patented Sept. 4, 1917.

4 SHEETS-SHEET 2.

Qf'LWERT.

c. s. WERT. BLOCK MACHJNE.

APPLICATION FILED FEB. UL 1916- Patented Sept; 4, 1917.

4 SHEETS-SHEET 4.

H [Hullr I.

GYRUS S. WERT, OF KENDALLVILLE, INDIANA.

BLOCK-MACHINE.

Specification of Letters Patent.

Patented Sept. 4, 191 '7.

Application filed February 18, 1916. Serial No. 79,172.

To all whom it may concern: v

Be it known that I, CYRUs S. l/VERT, a citizen of the United States, residing at Kendallville, in the county of Noble and State of Indiana, have invented certain new and useful Improvements in Block-Ma chines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to machines for making or forming concrete building blocks, and the primary object of the invention is to provide a concrete building block forming machine known as a face down machine, which is simple in construction, easy to 0p crate, durable and which has horizontally disposed corers for coring the blocks.

Another object of this invention is to provide a machine as specified which includes a movable hopper for retaining the surplus concrete, after a block is finished, and to mount a rear platform upon the machine, over which the hopper is moved, for placing the concrete in a position to be used upon the repeating of the operation of the machine, and further to provide a novel form of lever, which is connected to a foot treadle and the hopper for moving the hopper forward over the block forming molds.

A still further object of this invention is to provide a stripper or finisher, which is secured to the forward lower edge of the hopper, for finishing or troweling the top of the block upon the rearward movement of the hopper, and to adjustably connect the stripper or finisher to the hopper, so that the position of the same thereon may be regulated, as desired.

A still further object of this invention is to provide in a concrete block forming machine, a mold which has its ends and forward sides hingedly connected, for outward move ment for facilitating the removal of the block from the mold, and also to provide stops or supporting brackets upon the forward surfaces of the forward supporting legs of the machine for engaging and supporting the front hinged side of the mold in a horizontal position.

A still further object of this invention is to provide a skeleton frame for the molds,

which is constructed for facilitating the changing or attachment of molding or shape the forming of blocks therein, eliminating formation of the blocks.

With the foregoing and other objects in View this invention consists insuch novel features of construction, combination and arrangementof parts as will be hereinafter more fully described, illustrated in the accompanying drawings and claimed.

In describing the invention in detail reference will be had to the accompanying drawings wherein like characters designate like or corresponding parts throughout the several views, and in which Figure l is a perspective view of the improved concrete block forming machine,

Fig. 2 is a top plan View of the machine, showing the hopper in a rearward position,

Fig. 3 is a section through the concrete block forming machine,

Fig. 4 is a section through one of the corers,

Fig. 5 is a detail View of the levers used for operating the hopper and the corers,

Fig. 6 is a fragmentary view of the machine, showing a part of the front side of the hopper and the front plate of the mold,

Fig. 7 is a cross sectional view on the line 77 of Fig. 6, v

Fig. 8 is a detail perspective view of the end forming or molding block, and

Fig. 9 is a detail perspective View of one of the side plates of the mold.

the necessity of replacing the plate after the Referring more particularly to the drawings, l designates the supporting structure of the block machine, which is composed of side plates 2 and 3. The side plates 2 and 3 each have front and rearlegs 4c and 5, which i A cross bar 10 is pivotally secured to the forward upper corner of the sides 2 and 3 by pivot pins 11, and it has a skeleton plate or door 11 secured thereto, which skeleton door has a bar 12 secured to the inner surface thereof, upon which a form plate 13 rests, for forming one side of the concrete block. A bottom plate 15 is positioned between the front board or plate 13 and the rear plate 16. The rear plate 16 is secured to the supporting structure of the block machine by lugs 17, which are formed upon the vertical edges of the same.

The skeleton door 11 has longitudinally extending lugs 17 and 18 projecting o ut wardly from each end of the same, to wlnch lugs. are hingedly connected skeleton doors 19, by means of bolts 20, which extend. through the lugs 17 and 1S and through lugs 21 which are formed upon the skeleton door 19. The skeleton door 19 has end forming plates 22 secured thereto, by bolts 23, which extend through the skeleton frame and into the plates 22, for removably attaching the plates to the skeleton door 19, for facilitating the interchanging of the plates for forming different style or shaped ends upon the blocks.

The rear vertical plate 16 of the form or mold is provided with a plurality of spaced openings 24, which are provided for IQCQIV: ing the pins 25 formed upon the edges of divider plates 26. Any suitable type of divider plate may be employed, for forming different sizes of blocks, such as quarter blocks, half blocks, or three quarter blocks, which are sometimes necessary in building construction.

The plates 13 are removable, so that after a block has been formed, it may be removed from the machine, upon the plate, and removed to any suitable place for drying.

The plate 11 is secured to the hinge bar 10 for movement forwardly and into a horizontal plane, as is shown in Fig. :2 of the drawings, for facilitating the removal of a block therefrom. ll/hen the plate or skeleton door 11 is moved into a forwardly ex tending horizontal position, the end skeleton doors 19 are carried therewith, as is shown at the left hand corner of Fig. 3.

Straps or plates 30 are secured to the front surfaces of the forward legs l, and they are bent outwardly and upwardly, as is shown at 81, for forming supporting rests for the skeleton door 11, when moved into a horizontal position. The straps or plates 30 also act as means for limiting the clownward movement of the skeleton door 11.

The plate 16 has an angle bar 33 secured to the upper edge thereof, which supports a rearwardly extending plate or platform 34;, upon which the concrete retaining hopper 35 rests when in a rearward position.

The hopper 35 has its lower end open, and its upper rear and end walls inclined, for increasing the size of the mouth or upper end of the same, and it has a handle 36 secured to the forward end and extending across the same, which may be used for manually operating the hopper, if it is so desired. a

An angle bar 37 is adjustably connected to the forward side 38 of the hopper and acts as a stripper or finisher for troweling the tops ofthe blocks, during the rearward movement of the hopper from over the mold 14rupon the plate or'platform Set. The angle arm 37 is provided with spaced slots 39, through which bolts lO extend. Nuts ii are mounted upon the outer ends of the bolts and are provided for clamping engagment with the surface of the vertical side of the angle bar 37 for holding the horizontal section of the angle bar at various elevations above the lower end of the hopper, for

regulating the position of the finisher or stripper.

The hopper 35 has bars 1-3 secured thereto and extending rearwardly therefrom, which bars have their rear ends connected to a shaft 44. Arms 6P5 are also connected to the shaft H and curve downwardly there from, as is shown at 46, having their main body portions positioned parallel-to and beneath the bars 43.

The bars or arms l5 are in turn pivotally connected at H, to levers etS. The levers 48 are loosely mounted upon, a shaft 49, which is rotatably journaled in the arcuate rearwardly extending arms 8.

The levers 48 have links 50 secured to their lower ends, which project oppositely from the shaft 49, to the upper ends of the levers which are connected to the bars d5. The links 50 are connected to bars 51. The bars 51 are angled, and they have their rear ends pivotally mounted upon a shaft 52, which is carried by the supporting structure or frame 1 of the concrete block forming machine. The forward ends of the arms 51 have a treadle 53 secured thereto, which,

to the vertex 54 of the U-shaped member,

of which the bars 51 form legs.

The treadle 53 has contracting spiral springs 55 secured thereto, which are also secured to the pins 56, used for pivotally connecting the links 50 to the levers 48.

The springs 55 are provided for automatically moving the arms 51 upwardly upon their pivotal connection, after the treadle has been depressed manually.

The shaft 49 has an enlarged head 57 mounted upon its outer end, to which head is connected a lever 58. The lever 58 has a transversely extending hand grip 59 mount,- ed upon its upper end.

The head 57 is re- 7 movably mounted upon the end of the shaft, so that the lever 58 may be removed from connection to the shaft, if it is so desired.

The shaft 49 has arms 60 and 61 secured thereto, for rotation therewith. The arms 60 and 61 have their upper ends pivotally connected, at 62, to links 63. The links 63 are connected to cores 64, which are positioned within the coring cylinders 65. The cores 6% have rods 66 secured to their rear ends, which extend rearwardly through bearing collars 67, that are carried by the supporting straps 68. The supporting strap 68 is secured in any suitable manner to the rear upper end of the supporting structure l.

The coring cylinders are substantially rectangular shaped in cross section, having their corners rounded, and they are provided for passage through openings 70 and 71, which are formed in the plates 16, for coring the blocks formed within the mold structure 14. The coring cylinders 65 are mounted in a horizontal plane, for horizontal movement into the molds, from the rear side of the same. The coring cylinders 65 are moved horizontally into the molds 14 by the oscillatory movement of the lever 58.

The door skeleton 19 has cars 70 formed thereon, to which are pivotally connected locking levers 71. The locking levers 71 have cam locking surfaces 72 formed thereon, which are provided for moving into a clamping engagement with the lugs 17 which are formed on the edges of the plate 16. r

In forming a concrete block, the various hinged or pivoted doors are moved into their proper vertical positions, as shown in Figs. 1 and 3 of the drawings, and the hopper which is positioned at this time, over the platform 34, is filled with a concrete mixture. The hopper is then moved over the mold 1 1, and the concrete which falls therefrom into the mold is securely clamped about the bottom of the mold, after which the coring cylinders 65 are moved forwardly, by oscillation of the lever 58. The proper amount of concrete is then packed about the coring cylinders and within the mold to efficiently form a block. After the concrete has been securely packed within the mold, the foot treadle 53 is depressed, which will move the hopper 35 rearwardly, upon the platform or plate 31. During the rearward movement of the hopper, the lower edge of the forward side 38 of the hopper will scrape or strip the surplus concrete, and the angle bar 37 will trowel the surface, eliminating the performing of these functions by hand. The superfluous concrete is retained within the hopper, upon the upper surface of the plate 34, and can be reused, after the block has been removed. For removing the block which has been formed from the mold, the

65 cylinders 65 are first moved rearwardly, by

oscillatory movement of the lever 58, and

'the end doors are unlocked, by the-moving of the locking levers 71 into an unlocking position, after which the front plate or skeleton door 11 is moved into a horizontal position and the end skeleton doors are moved also into horizontal positions which permits of the removal of the plates 13 and the block which has been formed therewith. The operation is repeated, upon the forming of other blocks.

From the foregoing description taken in connection with the accompanying drawings the advantages of construction and of the method of operation of the improved block machine will be readily apparent to those skilled in the art to which this invention appertains and, while in the foregoing description, the principle of the operation of this invention has been described together with various features of construction, it is to be understood that certain minor features of construction, combination and arrangement of parts may be altered to suit practical. conditions provided such alterations are comprehended within the scope of what is claimed.

What is claimed is 1. In a concrete block forming machine, a supporting structure, a block mold, a plat form secured to the upper rear edge of said block mold, a hopper slidably mounted upon said platform for horizontal movement over said mold, a plurality of bars secured to said hopper and extending rearwardly therefrom, a shaft rotatably mounted in said supporting structure below said rearwardly extending bars, operating levers pivotally mounted upon said shaft, links connecting said bars and operating levers together, angled arms operatively connected to said levers for operating said levers upon downward movement of said arms for moving said hopper forwardly over or rearwardly from said mold, a plurality of horizontally disposed coring cylinders for horizontal movement into said mold, arms rigidly mounted upon said shaft and operatively connected to said coring cylinders, and a hand lever secured to the outer ends of said shaft for rotating said shaft for moving said coring cylinders into or out of said mold, as and for the purpose specified.

2. In a concrete block forming machine, a supporting structure, a block mold, a platform secured to the upper rear edge of said block mold, a hopper slidably mounted upon said platform for horizontal movement over said mold, a shaft rotatably mounted in said supporting structure below said mold, means pivotally supported upon said shaft and con nected to said hopper for operating the same, a plurality of. horizontally disposed coring cylinders positioned to one side of the mold for horizontal movement into said In testimony whereof I affix my signature in presence of two witnesses.

CYRUS S. \VERT.

mold, arms rigidly carried by said shaft and extending upwardly therefrom, and links connecting the upper portion of said arms and said coring cylinders and a lever secured to the outer end of said shaft for r0- tating the same, as and for the purpose specified.

\Vitnesses FRANK ADAM, ANsoN KUEIGEs.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. G.

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