US1388359A - Harrowing-machine - Google Patents

Description

B. MAZURYK.

HARROWING MACHINE.

APPLICATION FILED OCT 15, 1919.

1,388,359. mming 23, 1921.

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UNITED STATES PATENT OFFICE.

EARROWING-IMACHINE.

Specification of Letters Patent. Patented Aug. '23, 1921;

Application filed October 15, 1919. Serial No. 330,767.

To all whom it may concern: 7

Be it known that I, BARTLOMIEJ MAZURYK, a citizen of Ukrainia, residing at Tugaske, Province of Saskatchewan and Dominion of Canada, have invented certain new and useful Improvements in Harrow1ng-Ma-- chines, of which the following is a specification.

This invention relates to a harrower and it has for an object to provide an improved machine of this kind of a light and simple construction, and which furthermore provides for easy manipulation of the harrowing elements and for ready adjustment thereof to meet varying conditions.

For further comprehension of the invention and of the objects and advantages thereof, reference will be had to the following description and accompanying drawings, and to the appended claims in which the various novel features of the invention are more particularly set forth.

Figure 1 of the drawings is a longitudinal sectional view of a harrower embodying the invention.

Fig. 2 is a rear view thereof.

The running gear of my improved machine comprises a pair of wheels 1 mounted on the ends of an axle 2. From the axle 2 a tongue 3 projects forward and is provided on its forward end with suitable means, as the ring 4, for attaching a whifiletree or like draft gear, the machine here shown being intended to be drawn by one horse although the precise draft means is not material to the present invention. Upon the tongue 3 is mounted an ordinary seat 4: by means of the spring strap 5.

The teeth of the harrow are arranged in two independently adjustable units one on each side of the center line of the machine. These harrow teeth are indicated at 6 and are fixed in rows upon a plurality of trans verse rods 7 which are supported at their ends in adjustable frames each comprising an outer bar 8 and an inner bar 9 which extend longitudinally of the machine under the axle and then incline upwardly and forwardly as at 10 and 11 being all pivotally connected at their forward ends, at a common point 12, to the tongue toward the front end of the latter.

As shown most clearly in Fig. 2. the harrow carrying portions of the bars 8 are spaced outwardly near the wheels 1,the same portions of the bars ,9 being closely adjacent the center of the machine. The forward portions of the outer bars 8 incline inwardly as well as upwardly to unite with the ends of their cooperating inner bars while the forward ends of the inner bars may incline slightly outwardly to clear the tongue 3.

The rear ends of the harrow. carrying frames are adjustably supported by means of vertical links 13 which are attached at their lower ends to the rods 14 which rigidly connect the rear ends of the respective inner and outer bars 8 and 9. The upper ends of these links connect to the rearwardly projecting arms of the bell crank levers 15 whose other arms constitute operating handles, these levers being fulcrumed, as inclicated at 16, upon brackets 17 secured to the axle 2. To enable the levers to be locked in different adjusted positions they may each be provided with the locking device shown most clearly in Fig. 1 and comprising the sliding bolt 18 operated in a well known manner by a button 19 projecting from the end of the lever, these bolts engaging in notches 20 in the segmental upper edges of the brackets 17.

The harrow teeth 6 are arranged to be set at different angles in their frames and to this end the rods 7 are freely journaled at one end in the inner frame bars 9 and, have their opposite ends diminished and screw threaded, these diminished ends pro jecting through suitable apertures in the outer bars and having wing nuts 21 threaded on their ends. By tightening the nuts the rods are held against movement as will be apparent while by loosening the nuts the harrow teeth may be set to any desired angles.

Upon the axle 2 and projecting rearwardly therefrom is a seed box 22 which extends substantially the full width of the harrow and is provided near its rear side with discharging mouth 23 forfor the seed, this mouth being located in position to drop the seed just in front of the last row of teeth.

The manner of use of the harrow will be readily understood from the above description it being apparent that by loosening nuts 21 the teeth 6 may be set at any. desired angle whileby adjusting the bell crank levers 15 the harrow units may be raised or lowered.

Having thus described my invention what I claim as new and desire to protect by Letters Patent of the United States is as follows:

1. In a machine of the class described which includes a draft tongue and a pair of wheels, a pair of separately adjustable har- I of the inner bars extending close beside one another at the center of the machine, the forward portion of all of said bars inclining upwardly, while the forward portions of the inner bars also incline outwardly to clear the side of the tongue and the forward portions of the outer bars incline inwardly, means pivotally connecting the forward ends of all of said bars to the said tongue, and a pair of separately operable devices adjustably supporting the rear ends of said bars. v r

2. In a machine of the class described Which includes a draft tongue and a pair of .side one another at the center of the machine, the forwardportions of all of said bars inclinin u wardl while the forward h I, 7

portions of the inner oars also incline out-' wardly to clear the sides of the tongue and the forward portionsotthe outer bars oline inwardly,'mean s plvotally connecting the forward ends of allot said bars to'the said tongue, and pair of separately oper able devices adjustably supporting'the rear ends of said bars, said devices each including a fixed rod connecting the rear ends of the side bars, .a link connected to said rod, and a bell crank lever connected tosaid link.

In testimonywhereof I have alfixe'd my signature.

BARTLOMIEJ MA RYK. I,

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