US545748A

US545748A - Road-scraper

Info

Publication number: US545748A
Authority: US
Publication date: 1895-09-03
Anticipated expiration: 1912-09-03

Description

(No Model I S. M. THAYBR.

ROAD SGRAPER.

No. 545,748. Patented Sept. 3, 1895.

Guiana NITED STATES ATENT I SANDERS MLTHAYER, OFJAMESTOWN, NEW YORK.

'ROAD-SC'RAPER.

SPECIFIQATION forming part of Letters Patent No. 545,748, dated September 3, 1895.

Application filed February 5, 1895. Serial No. 537.418- (No model.)

To all whom it may concern: 7

Be it known that I, SANDERS M. THAYEB, a citizen of the United States, residingin J amestown, in the county of Chautauqua and State of New York, have invented certain new and useful Improvements in Road-Scrapers; and I hereby declare that the following is a full and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.

The object of my invention is, first, to make a self-dumping scraper; second, one that will better gather all the earth in the path of the scraper; third, one that will take larger loads and better smooth off the load being dumped, and the improvements consist in enlarging the main body of the scraper, making the front edge of the blade straight, or nearly'so, letting the sides come as high at the front end as the rear, and also in providing the same with a self-dumping device, all of which will be readily understood by this specification and the accompanying drawings, in which- Figure 1 is a perspective view of a scraper embodying my invention. Fig. 2 is a plan view of the rear end. Fig. 3 is a plan view of the scraper. Fig. 4 is a side elevation of the scraper being dumped. 1

In the drawings, A is the bladeof my scraper, made preferably of steel; but other suitable materials may be used. This blade is straight, or nearly so, along the lower front edge, the sides comin g up on a sharp angle to the height of the scraper-body, and the edge is rolled over, as shown at a, to stiffen it and also to protect the dumping device and form awearing-surface. The lower corners of the blade may be at nearlyright angles, as shown; but I prefer to have them rounded, as it makes the blade stronger. Y

1 a is the 'back or end of the scaper, and I generally make this of hard-wood plank, to

better secure the sides, handles, and dumping apparatus.

hang on the inside, as at b, and this I find an advantage in loading, the earth following the bail into the scraper much better than where B is the drawing-bail, and this I always scraper by heavy iron straps secured to the back and turned to pass along the upper and lower edge of the handles and securely bolted or riveted thereto. The dumping device consists in taking a heavy iron rod, bending it in the center to form the loop 0, or a piece may 'bewelded or clipped on in place of loop, then bending each arm outwardly to pass the back of the scraper, then turning each at right angles inwardly and parallel to pass along the sides. of the blade, and bending the points down, as shown at c. This rod 0 is properly secured to the rear of the scraper and is held up under the edge of the blade aby aspringlatch f and f, which may be of any suitable form to hold the dumping-rod in position and allow a throw-off.

E E is a strong rod passing preferably through the blade of the scraper at the rear edge and serving to hold the scraper together, and has its ends pass enough beyond the sides of the scraper to act as a stop, as shown in Fig. a; but this rod is not essential to the successful working of my scraper, as other stops might be used and other means employed to hold the rear end of the scraper secu rely together.

The operation is as follows; The scraper is loaded in the usual way, only that it takes clean all earth in its path till the scraper is full, and the front sides being as high as the rear the dirt stays in the scraper and does not roll off and leave ridges each side, as with the common scraper. When hauled to the place of unloading, the trip f or f is touched by the foot of the driver, the front ends of dumpingrods fall and engage the ground, causing the rear of the scraper to be hoisted high enough so that by the team moving forward the scraper is turned over, and the dumping-rod falls back to place and is held securely in position by the latch f ready for the next operation. It will be readily understood that by having the lower, edge of scraper straight the dump can easily be kept smooth.

Having fully described my lnvention, what I claim as new, and desire to secure by Letters Patent, is-- r per edge of the blade being turned over to stiifen the sides of the scraper substantially as shown and described and for the purpose set forth.

2. In earth or drag scrapers, the body of the scraper formed as shown, having a draw bail connected to the scraper on the inside, a dumping rod encircling the rear of the scraper,

a throw off for said rod, so the front ends of the rod will engage the earth to dump the scraper, in combination with stops rigidly secured to the body of the scraper, to prevent the dumping rod moving too far back, substantially as shown and for the purpose set forth.