US591292A - Charles piez - Google Patents

Description

(No Model) 0i PI EZ. VALVE FOR GONVEYER GHUTES N 0. 591,29, Patented 0013.5,189?

UNITED STATES PATENT OFFICE.

CHARLES PIEZ, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO THE LINK-BELT ENGINEERING COMPANY, OF SAME PLACE.

VALVE FOR CONVE'YER-CHU'TES.

SPECIFICATION forming part of Letters Patent No. 591,292, dated October 5, 1897.

Application filed November 7, 1896- Serial No. 611,420. (No model.)

To all whom it may concern.-

Be it known that I, CHARLES PIEZ, a citizen of the United States,residin g in Philadelphia,

My invention is especially adapted for use when material in large lumps, such as largesized coal, is to be loaded into the buckets. I find in practice that small material will flow from the chute into the buckets in a steady stream, while large material requires a very large opening for a free discharge, and this discharge is uneven, causing some of the buckets to be overcharged, while others are nndercharged; but by my invention I am enabled to so regulate the discharge of material that all the buckets will be loaded with the same amount of material.

In the accompanying drawings, Figure 1 is a longitudinal sectional view of sufficient of a conveying apparatus to illustrate my invention, the conveyer being in section; and Fig. 2 is a perspective view of the valve which I provide at the end of the chute.

A is suflicient of an endless-chain bucket conveyer to illustrate my invention, the buckets Cb being secured to the chain-links a, and the links are provided with wheels a adapted to the tracks B. Each conveyerbucket has a hood a so that the bucket can be reversedon the upper run without discharging the material.

A charging-opening c is left in the front of the bucket, so as to receive the material discharged from the chute. I do-not claim this form of conveyer, as my invention can be used in connection with other forms of conveyers as well.

D D are chutes which are arranged at any incline, and each communicates with a hopper or bin D.

In fe'eding'small material, such as smallsized coal and grain, to the conveyor the valve 'will have a regular flow, but large material,

such as broken coal, cannot be fed in an even stream from the hopper. The opening connecting the hopper with the chute must be considerably larger than the ordinary opening to prevent the bridging of the material, but this opening is of necessity too large to allow for theeven flow of material. Sometimes the material will flow so as to overload the buckets, and at other times it will be clogged, so that Very little material will escape into the buckets, but by providing a valve at the outer end of the chute which will have a regular motion as each bucket comes under it I am enabled to bank up the material in the chute and feed at intervals a given quantity sulficient to properly load each bucket, as it will be understood that if the buckets are overcharged a waste of material naturally results.

E is a valve at the end of a chute, and in the present instance this valve has two arms E, pivoted at e to the sides of the chute, and these arms are extended beyond the pivots and are preferably slotted, and adapted to the slot in each arm is a pin f, projecting from a bar F, hung by links f from any suitable support.

Connected to the bar F is a rod G, which in turn is connected to the crank it of the shaft H, adapted to suitable bearings. This shaft H is driven from the shaft A of the conveyer mechanism, in the present instance through an inclined shaft 11 and bevel-gears, as shown in Fig. 1, so that the valve will open the chute when the mouths of the buckets are in proper position.

Thevalve moves from the bottom up, so as to cut up through the material, preventing the flow when the valve is in the position shown in Fig. 1; but when the valve is lowered the material will freely flow from the chute. By this construction I avoid any clogging whatever as the Valve moves up through the material.

In the drawings Ihave shown two chutes, each provided with a valve. The valve of one chute is coupled to the reciprocating bar F, while the other valve is disconnected. By

this arrangement I can operate any one valve of a series, so that the conveyercan be loaded with different grades of material.

It will be understood that While my invention is adapted especially to lumpy material, such as broken coal, it can be used on finer material with the same result, although a valve in this case is not necessary to propcrly fill the buckets.

I claim as my invention 1. lhe combination of a conveyer, a feedi chute, a valve at the end of the feed-chute adapted to travel in a segment of a circle, arms on the said valve pivoted to the chute, said arms having extensions, a bar adapted to engage with the said extensions, links suspcndin g the said bar, a driving-shaft, a crank thereon and a rod connecting the said crank to the bar, substantially as described.

2. The combination of a series of feedthe conveyer-buckets, a valve for the feedchute acting intermittently to cut off the flow of material from the chute during the travel of the conveyer so as to uniformly load the buckets, and means connecting the valve with the driving mechanism of the conveyer, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

CHARLES IIEZ.

Vitnesses:

WILL. A. BARR, Jos. lI. KLEIN.

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