US1248953A - Scraper. - Google Patents

Description

B. TREADWEEL SCRAPER. APPLICATION FILED JUNE 22. 19:7.

Patented m0 4, 191 7.

ELIE/W Mmwm .25. TWEHDMELL hit ihqllld BENJAMIN TREADWELL, 01E BELLE ELAINE, SASKATCHEWAN, CANADA.

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L2d&953 Specification of Letters Patent. yg tgnt gd Um 4L, j' QHUZ, Application filed June 22, 1917. Serial No. 176,375.

To all whom it may concern: engages with the sleeve 13 of a bracket Be it known that I, BENJAMIN TREAD- which is provided with a downwardly ex- WELL, of the town of Belle Plaine, Province tending lug 1 1, while adjacent to the end of Saskatchewan, nd Dominion of Canada, of the sleeve a second lug 15 is formed, the 60 a subject of the King of Great Britain, object of which will be made clear herehave invented new and useful Improvements after. in Scrapers, and do hereby declare that the The sleeve 13 is designed to be secured in following is a clear and exact description. position by set screws 16, so that the said This invention relates to improvements in sleeve is capable of being rotated and ad- 65 scrapers particularly adapted for use with justed to suit the requirements of the plow. disk plows. In the disk plows at present in The lug 1 1 engages with the lug 17 and is use one of the drawbacks, which is very pivotally attached thereto by the bolt 18, marked, is that the oil is inclined t adthe outer end of the lug 17 having an intehere to the inner face of the disk, so that in gral sleeve 19, above which. extends a cylin- 70 many cases greater tractive force is required dr1cal pro ection 20, which is arranged in to draw the plow, and one of the objects of substantially parallel relation to the longithe present invention is to overcome this tudinal axis of the said sleeve. difliculty and permit of the disk being at he upper end of the cylindrical projec all times kept clean and free from any mattion 20 is bifurcated and designed to piv- 75 20 ter which will be inclined to adhere thereto. tally engage with the end of the rod 21, the Further objects are to render the scraper free end of which extends through the lug capable of being automatically adjusted so 15, the said rod being provided intermediate that it will lie in close contact with the surof its length with a collar or nut .22, between face of the disk, to facilitate reversing which and the lug 15, a spring is located. 80 the scraper and thus keep the blade auto This spring encircles the rod 21 and is matically sharpened, to readily adjust the adapted to press the projection 20 outwardly scraper to any angle to suit any make or type and hold it angularly disposed so that the of disk plow on which it is being used, and scraper 24, which is carried by the sleeve 19, generally to adapt the several parts to betwill be angularly disposed to the face of the 85 ter perform the functions required of them. disk A.

With these and other objects in view, the The scraper 24: consists of a flat plate 25, invention consists essentially of the improvided with a shank 26 which engages proved construction particularly described wi h a Sleeve 19 and is provided with a pluand set forth in the following specification rality of orifices 27 through which cotter 9 and accompanying drawings forming part pins pass to hold the scraper in the desired of the same. E

In the drawings, The assembly of the several parts will be Figure 1 is a perspective view of a disk readily understood from the foregoing deshowing the scraper arranged in position scription. e5 40 relatively thereto. When a plow fitted w1th a scraper of this Fig. 2 is a front elevation partly sectional description is in use, the scraper is adjusted showing the position of the scraper relaso that the bottom edge thereof is in intitively to the disk. mate contact with the inner face of the disk Like characters of reference refer to like A, and in the position the cotter pins are 100 parts in the several figures. placed in the orifice 27 to hold the scraper Referring to the drawings, A represents in position. When the plow is in use, the a rotatable disk of any usual description spring 23 holds the scraper tightly against utilized on plows and the like above which the face of the disk and all soil adhering extends a standard B which may form to the said disk will be removed on contact 105 0 part of a plow frame. with the said scraper.

By reference to Fig. 1, it will be seen that When the scraper has been in use for the upper end of this standard is substan--- some time so that the edge has become untially channel shaped as shown at 10 and duly worn on one side, the blade 25 may frictionally engages with the stub spindle then be reversed by rotating the shank 26 1 11, which is retained in position by bolts 12. in the sleeve 19 so that the opposite edge The outer end of the stub spindle rotatably will then engage with the disk A and in is intended that this manner the scraper is always automatically kept sharpene y providing the sleeve 13 with set screws understood that the scraper that it Will engage with any part of the surface of the disk A and it also permits of the scraper being utilized on the several types of disk plows at present on the market.

From this description it Will be seen that ave invented a scraper which can be advantageously utilized by farmers for keepingthe disus of plowing, thereby reducing the and other- Wise adapting it to more advantageously perform the functions Which are required As many changes could be made in the above description and many apparently Widely different embodiments of my invention Within he scope of the claim constructed Without departing from the spirit 01' scope thereof, it all matter contained in the Gopies of this patent may be obtained for five cents each,

accompanying specification and drawings shall be interpreted as illustrative and not in a limited sense.

hat I claim as my invention is: A plow scraper of the class described, comprising a spindle, a sleeve mounted thereon, means for securing the sleeve in position, an offset 1 i by the sleeve, extending therebeyond longitudinally thereof, a second lug carried by the sleeve, a second sleeve, :1 lug carried by mounted to the first said lug, a projection on the second sleeve, adjustable resilient means intermediate of the projection and the second lug, and a scraper adjustably mounted in the second said sleeve, said offset lug permitting ready access to the adjusting means of the scraper.

In Witness whereof I have hereunto set my hand in the presence of two Witnesses.

BENJAMIN TREADVV ELL. Witnesses:

L. P. WIsBEY, W. D. BANTZ.

by addressing the Commissioner of Patents,

Washington, D. 0.

the second sleeve pivotally

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