US402419A - dodge - Google Patents

Description

(No Model.) A 2 Sheets-Sheet 1'. J. M. DODGE.

APPARATUS FOR UNLOADING BOATS.

No. 402,419. Patented Apr. 30, 1889.

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(NdModeL) 2 Sheets-Sheet 2.

. J. M. DODGE. APPARATUS FOR UNLOADING BOATS.

N0. 402,419Q v Patented Apr. '30, 1889..

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UNITED STATES PATENT OFFICE.

JAMES M. DODGE, OE PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO THE DODGE COAL STORAGE COMPANY, OF SAME PLACE.

APPARATUS FOR UNLOADING BOATS.

SPECIFICATION forming part of Letters Patent No. 402,419, dated April 30, 1889.

Application filed December 3, 1388- Serial No.292,516. (No model.)

To all whmn it may amt/corn:

. Be it known that I, JAMES M. DODGE, of Philadelphia, in the county of Philadelphia andState of Pennsylvania, have invented a new anduseful Improved Conveyer for Unloading Boats; and I do hereby declare that the following is'a full, clear,'and exact dcscription thereof, reference being had to the accompanying drawings making part of this application.

My invention relates to certain new and useful improvements in trough-conveyer apparatuses or contrivances adapted specially to the purpose of taking coal and other mate rial from the barges or boats in the water and conveying it ashore and to a suitable elevation, from which it may be conveniently discharged either in storage-heaps or into cars for transportation; and my invention consists, essentially, in a novel arrangement or combination of conveyer-chain in such apparatuses ,with suitable means whereby the endless chain or circuit of flights may be increased or diminished in length from the point of supply to the point of discharge of the material to be conveyed, all as will be hereinafter more fully explained, and as will be more'particularly pointed out and specifically defined in the claim of this specification.

To enable those. skilled in the art to make and use my improvements, I will now proceed to more fully describe them, referring by letters to the accompanying drawings, which form part of this specification, and in which I have shown my invention carried out in that form in which I have so far practically used it, though it may be carried into effect, of course, under various modifications.

In the drawings, Figure 1 is a top or plan view of so much of my improved contrivance as is necessary to be shown in order to fully illustrate my invention. Fig. 2 is a vertical longitudinal section of the same. Fig. 3 is a detail view on an enlarged scale of the winding-drum and clutch mechanism of the apparatus. v v

In all the figures the same parts will be found designated by the same letters of reference.

A represents a trestle-work or frame of any desired height or length, and designed to properly support the horizontal portion of the trough Z) of a trough conveyer, and on which are also supported other working parts of the apparatus or contrivance, which will be presently described. This trestle-work is constructed with a descending portion, A of much less width, (a part only of which is shown,) that extends onward a sufficient ex tent to properly support the inclined or obliquely-arranged portion of said conveyertrough b, as clearly indicated.

0 is an endless cable-chain (the lower portion of the double run of which is shown as broken away) that is provided in the usual manner with conveyer-fiights cl, and which is arranged and runs in a peculiar manner or direction in connection with suitable driving and supporting sprocket-wheels, as I willnow explain. This flighted chain c, it will be 1111- derstood by reference to the drawings, has its lower runextended from the lowermostpoint of the trough conveyer (not shown) along up over parallel with and in sufficiently close proximity to the floor of the obliquely-ar- I trough b to the driving sprocket -wheel 8, 'around which wheel said chain makes a halfturn, and thence is run in the opposite direction, but parallel with the horizontal portion of the trough to an idler sprocket-wheel, g, which is arranged in a horizontal plane or transversely to the driving sprocket-wheel e and making a half-turn in a lateral direction around said sprocket-wheel g. Said chain is thence run in a parallel but opposite direct-ion to another idler sprocket-wheel, 3, (see particularly Fig. 1,) around which it makes a half-turn, and runs thence to the idler sprocket-wheelh, around which it makes a slight bend, passing thence to the idler sprocketwheel is, around which it makes another slight bend, and from which said chain is extended down to the sprocket wheel (not shown) to the lowermost point of the conveyer, around which sprocket-wheel (that, like the drivewheel 6, is arranged in a vertical plane) the chain completes its circuit.

The horizontally-arranged idler sprocketwheels g, 71, and 7; have their vertically-arranged arbors or axles properly supported, as shown, in suitable frames or standards, marked, respectively, 'i,j, and W, and all three of these idler sprocket-wheels, it will be understood, are arranged in planes parallel with those portions of the conveyor-trough over which they are located and have their axes of motion unchangeable. The outer sprocketwheel, 3, however, has its shaft or arbor y mounted in suitable bearings on a truck, 01?, the wheels at of which rest and travel upon a suitable track or track-beams, 0, which are properly secured to the top cross-beams of the trestle-work A, as clearly shown, (see particularly Fig. 1,) the said truck on being held in place against the draft-strain of the doubledup conveyor-chain by a rope or cable, r,which has one of its ends preferably secured, as shown, to one of the cross-beams'of the trestlework, and which, being then wound around a win dlass, f, passes through a series of sheaves or tackle-blocks,p q, one of which is made fast to the same cross-beam of the trestlework to which one end of the cable is secured. (See particularly Fig. 1.) This Windlass or winding-drum i is mounted fast on a shaft, u, the bearing-boxes of which are properly secured to the upper part of the trestle-work, as shown, and which is provided at t) with a suitable gear, through the medium of which the necessary power and motion may be imparted to said shaft to from any desirable source.

w is a clutch, which is adapted in the usual manner to be thrown in and out of gear by a shipper handle or bar, a, and which serves to throw the winding-drum into and out of action and at the will of an operator, for a purpose to be presently explained.

The driving sprocket-wheel e is mounted, as shown, fast on a drive-shaft, f, the bearingboxes of which are secured to the upper portion of the trestle-work, and which is provided with a drive-gear, I, at its idler, through the medium of which the necessary power may be applied to drive the flighted chain c of the trough conveyor. The flights (Z of said chain are made in about the usual manner and adapted to travel within and cooperate with the tioor of the trough b in a well-known manner.

The chain c is of that species which is shown and described in Letters Patent granted to me September 12, 1882, and numbered 264,139, and which is adapted to work in conjunction with sprocket-wheels with which it may have various relative arrangements, and the arrangement of the chain in the case shown with the sprocket-wheels is such that the said chain comes into lateral contact with the peripheries of the sprocket-wheels g, 72 k, and s, (with the flights traveling above the plane of the wheels,) and into contact in a transverse direction with the driving sprocketwheel e and the similarly arranged idler sprocket-wheel at the lower extremity of the double run of the chain, the [tights (7 of course traveling around or over the peripheries of these two last-named sprocketwheels.

As that portion of the apparatus shown and so far described is designed to be supplied at the lowermost portion of the conveyer-trough with some sort of sliding or telescopic trough extension carrying the 1dler sprocketnvheel located at the lower end of the trough, it is necessary of course under certain circumstances during the operation of such a contrivance to take up the obliquelyarranged portion of the double run of conveyer-chain to a greater or less (and sometimes to a very great) extent; and to thus contract or permit the distention of the fiighted chain it is only necessary to cause the truck m, which carries the idler sprocket-wheel s, to be moved in one direction or the other upon the track 0 upon which it is adapted to travel. To contract or shorten up the conveyorehain, (usually while in motion,) the operative through the medium of the shipper-bar a; and the clutch w throws thewinding-drum t into operation, whereby the cable 7' is wound up, thus pulling or drawing the truck m 111 the direction indicated by the arrow at Fig. 1, While to permit the distention of the conveyer-chain (by the action of the gravity of the movable portion of the obliquely-arranged extension of the conveyer-trough) it is only necessary to permit the drum t to unwind and let out the cable T, which takes the draft-strain of the truck m.

In another application filed simultaneously by me, and numbered 292,515, I have fully shown and described one and a novel form of distensible conveyer-trough extension that may be employed in connection with such an apparatus or contrivanee as I have shown and described in this case. I, however, deem it unnecessary to complicate this application with any illustration or description of such distensible trough-extension as the improvements or invention made the subject of this application may be successfully employed with more or less advantage in connection with any sort of telescopic or other extension at the lower end or portion of the obliquelyarranged portion of the conveyor-trough 1).

Having now so fully explained the construction and general operation of the eontrivance shown that those skilled in the art can make and use the same, what I claim, therefore, as new, and desire to secure by Letters Patent, is

In an apparatus or contrivance for elevating and conveying coal or other material, the

combination of the following instn'umentali-- ties, viz: first, a conveyor-trough mounted upon and supported by suitable frame-work, as specified; second, the conveyor-chain provided with suitable flights which cooperate with said trough and doubled 011 itself in a plane transverse to that in which lie those portions of the upper and lower runs of the chain, the flights of which lower run coact with the conveyer-trough; third, a suitable up device and means for operating the same, driving sprocket-wheel in engagement with the whole adapted to operate in substantially said chain and that is mounted on a fixed the manner and for the purpose hereinbefore axis of motion, as specified; fourth, a series set forth.

5 of idler sprocket-wheels over which the loops In witness whereof I have hereunto set my 15 or contractive turns of the chain are made, hand this 13th day of October, 1888.

and which are in a plane transverse to that JAMES M. DODGE. in which are located the upper and lower In presence of runs of the chain, the flights of which lower E. A. TURNER,

10 run travel in the trough, and, fifth, a take- M. GETZ.

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