US329371A - Roller spring-tooth harrow and cultivator - Google Patents

Description

3 Sheets-Sheet 1.

R. W. & A. w. DAVIS.

ROLLER SPRING TOOTH'HARROW AND GULTIVATOB.

(No Model.)

Patented Oct. 27, 1885.

N. PETER PMWLMIugmpMr, Wahinpon. D.C.

3 Sheets-Sheet- .(No Model.)

,R. w. & A. WqDAVIS. I ROLLER SPRING TOOTH HARROW AND" GULTIVAT-OR. N0. 329,371.

N. PEI'ERs Phqwulhographlr. Wmmo. ac.

- I 7 3 Sheets-Sheet 3. R. W. & A.'W-.D A VIS. I

ROLLER SPRING TOOTH HARBOWAND GULTIVATOR. No. 329,371. Patented Oct. 27, 1885. I

(No Model.) v

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UNITED, STAT-Es;

PATENT OF I E.

ROBERT W. DAVIS AND ARTHUR W. DAVIS, OF ELMIRA, ASSIGNORS TO SIDNEY SWEET, OF D A'NSVILLE, NEW YORK.

ROLLER SPRING-TOOTH HARROW AND CULT IVATOR.

SPECIFICATION forming part of Letters Patent No. 329,3'71fdated October 2'7, 1885.

I Application filed October 7, 1884. Serial No.144,903. (No model.)

tors, of which the following, taken in connection with the accompanying drawings,is a full,

clear,and exact description.

This invention consists, first, of a harrow composed of separate and distinct frames detachably connected, and each equipped with operating-teeth arranged in such a manner that by disconnecting the frames from each other and connecting suitable handles to the detached frames the barrow is converted into convenient and efficient cultivators; and the invention further consists in certain peculiarities in the details of the apparatus, all as hereinafter more fully described, and specifi- ,cally set forth in the claims.

The invention is fully illustrated in the accompanying drawings, wherein Figure I is a side elevation of our improved roller spring tooth harrow and cultivator combined. Fig. II is aplan view of thesame. Fig. III is a rear end view. Fig. IV is a vertical transverse section onlinem as, Fig. II. Fig. V is an enlarged: top view of the attachment of the spring tooth to the frame. Fig. VI is a vertical sec tion of the same through the center thereof. Fig. VII is an enlarged side elevation of the spring-tooth and its attachment to the frame. Fig. VIII is an enlarged sectional view of the attachment of the rollers to the frame; and Fig. IX is an enlarged transverse section of the spring-tooth, taken through the center of the attachment of the operating-point on line y y, FigLVII.

Similar letters of reference indicate corre sponding parts.

nal beams A A, connected to the central portions of the aforesaid cross-bars. The rearcross-bar of the said frame forms lateral "the frame.

extensions A A, to the ends of which the rear frames A A, are respectively detachably connected. These rear frames are each composed of a long cross-bar, a shorter cross-bar at the rear, a still shorter cross-bar at the front, and longitudinal beams A A", connected to the central portions of the aforesaid cross-bars. Each of said frames is equipped with a set of spring-teeth, D I), the teeth of the forward frame being arranged in the following order, to wit: To each cndof the forward and shortest cross-bars is attached one of the teeth D, equidistant from the center of To the ends of the intermediate cross-bar is attached another set of teeth, arranged a sufficient distance outward from the track of the forward teeth to leave between them an undisturbed strip of land for the carrying-wheels B B of the barrow to travel on. One tooth is attached to the center of the rear and long cross-bar, and thus cultivates tooth is attached to the center of the rear cross-bar, and two teeth on the same bar arranged outside of the track of the teeth of the .forward and shortest crossbar, respectively at opposite sides of the center thereof, one

forward cross-bar, and two more teeth are attached to the intermediate cross-bar and arranged outside of the outer teeth of the rear crossbar. Thus each frame carries a complete set of teeth, occupying one-third of the Width of the entire harrow. The rear frames,

being narrow, can, when detached from each other and from the forward frame, be used as two cultivators by attaching thereto suitable handles, which may be of any well-known form and attached in any ordinary and wellknown manner, and therefore need no illustration in this case. Each of the aforesaid frames is supported independent of the others by a set of carrying wheels or rollers, B B, which are arranged inside of the track of the outer teeth D and directly in front of two of the inner teeth, thereby bringing the said rollers sufficiently near the centerto allow the harrow to rock laterally and conform to the unevenness of the ground, and also harrowing said bolt being provided with a nut by which to clamp the hangers H H on the beams of the frame, as illustrated in Figs. 1V and VIII of the drawings. By loosening the nut of the bolt 6 the hangers H H can be raised or lowered, and thus the rollers B B can be adjusted to allow the teeth to enter the ground the desired depth, and in this adjusted position the rollers are retained by tightening the aforesaid nut of the bolt 6. The aforesaid rollers B B are of suchdiameters as to cause them to project above all parts of the harrow, thereby making said rollers support the harrow when turned upside down, and thus facilitating the moving of the harrow to and from the field.

The teeth D we prefer to construct of two separate and distinct spring-steel bars or heavy wires, each of which is formed into a vertical coil', 0, terminating at one end with an arm, I), which projects tangentially from the lower portion of the coil and constitutes one of the attaching-shanks of the tooth. From the opposite end of the coiled portion 0 the springbar is curved into an eccentrically-prolonged arm, which extends rearward above the frame, thence downward and forward and terminates below the frame. said two spring-bars being curved alike, so as to run parallel with each other, and to their lower ends is attached the operating-point E, which consists of a vertically-elongated concavo-convex steel plate, pointed at opposite ends, so as to admit of re versing the plate end for end when one end isworn out. Said plate is detachably connected to the two springbars of the tooth D by laying the point E with its concave side on the front of the two spring-bars and applying against the back of said spring-bars a washer,

f, which is provided with vertical grooves 7'1, in which the ends of the spring-bars lie. A bolt, 9, passes through the point E and through the washer f, between the two springbars, and is provided with a nut, to, by which said parts are clamped together, as shown in Fig. IX of the drawings. The two attachingshanks b b of the two spring-bars are secured to the under side of the bar of the harrowframe by means of a clamping-plate, h, placed across said arms, and provided with grooves t, in which the shanks b blie. A washer or stay-plate, k, is placed on the upper side of thenframe and fastened thereto by a bolt, Z,

passing through the plates 72 and k and intervening frame-beam, and provided with a nut, as shown in Fig. VI of the drawings. The plate It is provided with recesses or ways at m, through which thecoils ,c c of the teeth D pass. The bearings of the coils in said recesses serve to sustainthe coils in their vertical position, and thus brace the tooth to some extent laterally A harrow-tooth formed of two springmetal bars,v which render the seat: support elastic, and rest with their feet on the central portions of the .three frames A A A, as shown by full lines in Figs. I and III of the drawings and by dotted lines in Fig. II of the drawings. The weight of the driver is thus distributed over the three frames. ever it is desired to use the two reir frames or sections, A A, of the harrow for oultivators, the seat S is to be removed, and the two sections A A are to be uncoupled from each other and from the forward frame, .A, and suitable handles are to be connected with the respective sections or frames A A. The coupling device between the forward and rear frames, A A, can be used for attachment of the whiffletree to the rear frames. The seatsupporting braces T T T are detachably connected to the harrow-frame, so that when the harrow is to be turned over onto its back the seat, with its braces, can be removed and subsequently secured to the inverted harrow, to allow the driver to ride to and from the field.

\Ve are aware that land-rollers have been connected with a harrow-frame in such a man-. ner as to project above said frame, and thus allow the apparatus to be used either as a harrow and land-roller combined, or simply as a land-roller by turning it over; but it is obvious that the turning over of such a device is a very difficult operation, owing to the great length and weight of the rollers. In our improved harrow the rollers are simply carrying-wheels having a comparatively narrow tread, and arranged near thelongitudinal central line of the frame, and therefore allow the harrow to freely rock laterally and to be easily turned over when desired.

Having described our invention, what we claim as new, and desire to secure by Letters Patent, is-

l. A hammer composed of separate and VVhen- IIO distinct frames detachably connected, and

each provided with a set of teeth and supported independently of the other by rollers connected with-said frame, substantially as set forth and shown.

2. A roller-harrow composed of three separate and distinct frames, each equipped with a set of spring-teeth, one of said frames being arranged in advance of the others and provided at opposite sides with lateral extensions, the two rear frames being detachably connected to said extensions,carrying-rollers connected with the respective frames,and the driver s seat supported on braces resting with their feet respectively on the three frames, substantially as described.

3. The combinationof the barrow-frame composed of cross-bars and longitudinal bars attached to the central portion of said crossbars, an axle secured across the longitudinal bars, carrying-rollers on said axle, teeth at tached to the forward cross-bars at points in side and outside of the line of travel of the rollers, a tooth attached to the rear cross-bar central between the tracks of the rollers, and teeth attached to said crossbar in range with the track of the rollers, substantially as described and shown.

4.. The harrow composed of a long crossbar, a shorter cross-bar at the rear, a still shorter cross-bar in front, longitudinal beams connected to the central portions of the cross-bars,

- two teeth attached to the front cross-bar respectively at opposite sides of the center thereof, a tooth attached to the center of the rear cross-bar, and two teeth on the same bar arranged outside of the teeth of the forward crossbar, and two teeth on the intermediate crossbar arranged outside of the outer teeth of the rear crossbar, substantially as described and shown.

5. The combination of the harrow -frame composed of three separate and distinct frames, each'ie'quipped with a set of spring-teeth, one of said frames being arranged in advance of the 1 others and provided at opposite sides with lateral extensions, the two rear frames being detachably connected to said extensfons,carryingrollers connected with the respective frames, and the drivers seat supported on braces resting with their feet respectively on the three frames, and an axle extended across the longitudinal bars between the central and rear cross-bars, and rollers on said axle in front of and in range with the outer teeth of the rear cross-bar, substantially as described.

6. The forward harrow-frame, composed of a long rear crossbar, a shorter crossbar 'in front of it, a still shorter cross-bar in front of ends of each of the two front cross-bars, one tooth in the center of the rear crossbar, and two teeth on the latter at opposite sides of the center and in line with the center of the space between the tracks of the forward teeth, in combination with harrows at the rear of and detachabiy hung on the ends of the rear cross bar of the forward harrow, substantially as described and shown.

7. A harrow composed of separate and distinct frames detachably connected, and each provided with a set of teeth and supported independently of the others by rollers connected with the frames, and a drivers seat supported by braces resting with their feet centrally on the respective frames, substantially as set forth. 1

In testimony whereof we have hereunto signed our names and affixed our seals,in the presence of two attesting witnesses, at Elmira, in the county of Ghemung, in the State of New York.

ROBERT W. DAVIS. [L. s.] ARTHUR W. DAVIS. [L. s.]

Witnesses:

JAMES R. REID, OHAs. G. LAPPE.

the latter, longitudinal bars connected to the central portion of the cross-bars, teeth on the.

ection in Letters Patent No. 329,371.,

It is hereby certified that in Letters Patent No. 329,371, granted October 27, 1885, upon the application of Robert W. Davis and Arthur W. Davis, of Elmira, New York, for an improvement in Roller Spring-Tooth Barrows and Cultivators, an error appears in the printed specification requiring correction as follows: In line 131, page 2, the

l word hammer should be stricken out and the word harrow inserted instead; and that the said Letters Patent should be read with this correction therein that the same may eonform to the record of the case in the Patent Oflice.

Signed, conntersigned, and sealed this 3d day of November, A. D. 1885.

H. L. MULDROW, Acting Secretary of the Interior.

[SEAL] Uonntersignedr M. V. MONTGOMERY Commissioner of Patents.

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