US1433018A - Vehicle-dumping apparatus - Google Patents

Description

L. J. McMI LLIN. vsmcus DUMPING APPA' RATUS.

QPPLICATION vFILED JUNE Patented Oct. 24,1922.

3 SHEETS-SHEET 1,

L. J. McMILLlN.

PARATUS.

VEHICLE DUMPING AP APPLICATION FILED JUNE 3, I92].

Patented Oct. 24, 1922.

3 SHEETS-SHEET 2.

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A 7' TOE/YE K hoisting cables Patented Get. 24, 1922.

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I LOUIS J; lvlichllilLLlN, 0 INDIANAPOLIS, INDIANA.

To all whom it may Be it known that VEHICLE-DUMPING APPARATUS.

concern:

I, LOUIS J. MCMILLIN,

a citizen of the Umted States, residing at Indianapolis, in the county of Marion and State of Indiana,

have invented certain new and useful Improvements in Vehicle-Dumping Apparatus, of which the following is a specification.

This invention relates to certain means for unloading or dumping grainfrom wagons and trucks-into grain receiving and storing pits in and about grain elevators,

and has for its principal object the utilization and arrangement of certain mechanism whereby a single power unit and dumping apparatus is sufficient to dump the contents of all wagons and trucks, transporting grain to such elevators, into any one of a large number of gram receiving pits which are usually arranged beneath the main floor of the grain elevator A further object building. I of the invention consists in the provision of suitable vehicle hoisting cables having suficient slack to form bights which can be moved fromone grain receiving pit to another, a particular grade thereby enabling grain of and characterto be discharged into the desired receiving pit, and

which also enables the discharge ends of the vehicles to be maintained the proper effective dumping position relatively to the mouths of the pits irrespective of the difference in length of the vehicles in which the grain is transported, by moving the bights in the the mouths of each case may dictate.

nearer or farther away from the pits, as the conditions in There are other objects which will appear from a perusal of the following description and claims, which are accomplished by means of one of my preferred embodiments which I have illustrated in the accompanying drawings, in which Figure 1 is a sectional view through a portion of the unloading floor'of a grain elevator building, showing the mouth of a grain pit and the relative location of my invention and a vehicle in which grain is transported. Fig. 2 is a transverse section on the plane 2-2 in Fig. 1. Fig. 3 is a front elevation, on a considerably enlarged scale, of one of the sheave-wheels whlch provides both abearing point and ing cables.

guide for the hoist- Fig. 4E isan edge view, on an enlarged scale, of one of the vehicle wheel- -gripping devices. Fig. 5

is afront elevaranged on an intermediate shaft 18 jouring pits. Examining the above figures it Wlll be observed that a pair of parallel cables Application filediune 3, 1921. Serial No. 4 34505.

tion of the construction shown in Fig. 4, Fig. 6 is an arbitrarily arranged diagrammatic plan view of a grain elevator, showing the location of the various grain receiving pits, together with the relative location of my dumping apparatus thereto.

Referring to the drawings, the dumping of the contents of a vehicle, which may be accomplished at any one of the several grain receiving pits by means of a single hoisting apparatus arranged at the most convenient point as may be determined by the outlay of the pits, comprises a revoluble hoisting drum 10, which is usually arranged in suitable bearings immediately below the joists of the second floor of the building. Drum 10 is provided at one end with a sprocket wheel 11 and is rotated through the medium "of a sprocket chain 12 leading to a sprocket wheel 13 located on a shaft 14., the latter being 'journalled in a frame 15 usually attached. to the side of the building. ghaft i4: is also provided with a pinion 16 which meshes with a corresponding pinion 17 arnalled in frame 15. Shaft let may be provided with a hand-crank 19 if desired for the man ual. operation of drum 10, but I prefer to employ a mechanical power unit, usus5 ally an electric motor, not shown, which is connected to a main driving shaft 20 arranged beneath the dumping floor 21 of the building. The main driving shaft 20 is also provided with a sprocket wheel 22 and by means of a sprocket chain 23 leading to a sprocket wheel on intermediate shaft 18 drum l0 may be mechanically driven Shaft 20 is further provided with a suitable shilting--cl.utch mechanism 25 and shifting lever 26 so that the movable parts of the hoisting mechanism including the drum 10 may be thrown into and out of operation.

Figure '1 illustrates a grain carrying vehicle in properdumping position relatively to a door opening 30 leading into a grain receiving pit which is located beneath floor 21, and F ig. 6 illustrates an arbitrary arranged plan of a plurality of grain receivextend away from drum 10 immediately below the lower edges of the joists of the second floor of the building, and these cables extend the entire length of the area containing all of the openings 30 leading into the series of grain receiving pits, irrespective as to whether the pits extend in straight-away line away from drum 1O 01' are arranged otherwise, their arrangement depending upon the structural outlay of the building. The ends of the hoisting cables 35 extend somewhat beyond the further-most located pit where their ends are suitably anchored on a cross-beam 36 attached to the bullding, and the length of cables 35 is sufliciently in excess ofthe distance between the drum 10 and cross-beam 3G to provide the necessary slack in forming the bights or loops inlthe cables so .as to permit of an attachment being formedibetweenthelatter and front wheels of the vehicles, as clearly shown-in Fig. 1. Cables 35 aremaintained in a substantially horizontal plane between drum 10 and cross-beam 36 by means of a series of pulleys or sheave-wheels 38 which are arranged in bearing-frames 39 (Fig. 3), 01" which one end of each fran1e39 is securely bolted .to the underside of the second.- floor joist 4U, Eachbearing-frame 39 is bent to form a hook whichis arranged so as to provide a space intervening the body andhooked-end for the reception of one of the sheave-wheels 38, the free hookshapedend olithebearing-irame 39 being of sufficient length to form an outer support for the-router trunnion end of sheavewheel 33, this construction permitting cables 85 to be removedor replaced from one or more of the sheave-wheels as circumstances may require. Hence, if it is desired to dump aload of grain in the first pit from the dumpin apparatus, designated as A. bring all of the slack in .the cables to form the necessary bights at this point, and if the next vehicle to be dumped is stationed at pit L the slack in the cables, after having released the cables from the vehicle at pit A, is moved by applying a pulling stress with a suitablehook in the hands of an operator at pit L to bring the slack in the cables to that point. After proper attachment made between the'cables 35 and the vehicle atpit L, the same hoisting apparatus employed for dumping a vehicle at pit A is capable of dumping the vehicle at pitli," or at any other pit in the series in which it is desired to discharge grain. The flexibility of the dumpng apparatus is rendered possible, first, in providing the neces- .sary slack in the cables 35 to form the bights; second, by themethod of either sustaining and when necessary freeing the ca bles 35 at any point intermediate their length for the formation of the bights, and,

third, by means of thesheave-wheels I am able to provide a large number of different points oti'ulcrum for the cables in hoisting vehicles at different positions from the single hoisting apparatus.

To providean easy and safe means for contact will beabove. a

in, Fig. 1, it is necessary to installed and front vehicle wheels of a vehicle, and as shown in Figs. 4: and 5 these gripping devices each comprise .a frame 50 which extends vertically approximately from the hub of the wheel to and somewhat beyond the periphery of the latter. The upper end of frame is bent outwardly and downwardly into a 11001151 which stands parallel with the. face of frame .150 and is arranged to provide a channel 52 intervening the frame and hook which is adapted toreceive a channeled sheave-wheel 153 which is. mounted on an axle 54 journalled in the frameand hook. One of: the cables 35 is passed under the sheave-wheel 53 and ;its accidental displacement is prevented by means of a resilient leaf spring, 55 which extends across the channel :52, but which can. be easilypressed back for the removal of cable 35 when desired. The lower end ,ol frame 50 is bifurcated into pair oil? diverging arms 50 which terminate at thein free ends into the curved hooks 50" adapted. to-receive the peripheral :lt'ace otthe, tire oi the wheel, and hooks 50*,by means oftheadiverging character of arms 50, are arranged soas to contact the periphery of the wheel asuificient distance apart so that the points of point where a plane passing vertically thronghthe axis oi' the wheel intersects thelower portion of the tire, which,construction permits that portion of theperiphery of the wheel between the hooks 50" to extend slightly below the points oi cont-act of saidhooks and which acts as a brace for temporarily holding the wheel in the frame while the latter is being clamped fast. The wheel is clamped at its top by means of a hook 57 which may be adjusted vertically in, t'rame 50 by. means of a slot;58 and abolt 59, whereby the effective clamping of wheels oi different diameters is rendered possible.

By meansoi'x the ioregoingdescribed arrangement of parts it will be observed that I have produced a simple and economically operated apparatus by which vehicles for transporting grain tohelevators can be dumpedin grain receivingpits.

Having thus fully vention, what I claim as new and desire to secure by Letters Patent, is-

1. A hoisting apparatus comprising a revoluble drumya hauling cable attached to the drum and having its free end secured at described my said inany one of a series of means arranged between the drum and the remote point of attachment of the cable, said guide-means adapted to guide the cable in a determined path and to change the position of the bight relatively to the drum,

In Witness whereof I have hereunto set my hand and seal at Indianapolis, Indiana, this 28th day of May, A. D. one thousand nine hundred and twenty-one.

LOUIS J. MOMILLIN. [1 s]

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