US1072455A - Grubber. - Google Patents

Description

T. B. HENDRICKS.

GRUBBER.

APPLIOATION FILED MAY 31.1910.

1,072,455, Patented Sept. 9, 1913.

2 SHEETBSHEET l.

T. B. HENDRICKS.

GRUBBER.

APPLICATION FILED MAY 31, 1910.

1 ,O72,4=5 5 Patented Sept. 9, 1913.

2 SHEETS'BHEET 2.

COLUMBIA PLANOLIRAPH $0,. wAs c.

THOMAS B. HENDRICKS,

OF TWIN FALLS, IDAHO.

GRUBBER.

Specification of Letters Patent.

Patented Sept. 9,1913.

Application filed May 31, 1910. Serial No. 564,185.

T 0 all whom it may concern Be it known that I, THOMAS E. HEN- onions, a citizen of the United States. residing at Twin Falls, in the county of Twin Falls and State of Idaho, have invented a new and useful Grabber, of which the following is a specification.

This invention has relation to grubbers and it consists in the novel construction and arrangement of its parts, as hereinafter shown and described.

The implement is also adapted to be used for grubbing sage brush and the like as it is provided with blades which may operate below the surface of the soil and cut tough roots and leave the land ready for plowing.

With the above object in view, the cutter includes a skeleton frame mounted upon crank axle sections, means being provided for swinging the said axle section with relation to the frame. Supporting Wheels are journaled at the ends of the axle sections. beam is carried by the frame, and a draft tongue is pivotally connected to the said beam. Means is provided for tilting the frame with relation to the draft beam, and a cutting blade or blades are carried by the said beam.

In the accompanying drawings :Figure 1 is a top plan view of the grubber. Fig. 2 1s a front elevation of the same. Fig. 3 is a side elevation of the same, with one of the supporting wheels removed. Fig. f is a perspective view of a lower portion of the beam carried by the implement, and adjacent parts.

The grabber includes crank axle 1, which may be continuous or composed of sections upon the ends of which are journaled supporting wheels 2. A skeleton frame 3 is .mounted upon the intermediate portion of the axle 1 and is provided with bearings 4, in which the said axle is journaled. An operators seat 5 is mounted upon the frame 3. U bars 6 form component parts of the frame 3 and at their intermediate portions are attached to the sides of the said frame. An inverted U-shaped beam 7 is secured to the inner ends of the U bars 6. Braces 8 are attached at their upper outer ends to the sides of the frame 3, and at their lower forward ends to the forward portion of the inverted U beam 7. Plates 9 are attached at their forward ends to the rear downwardly disposed portion of the U beam 7, and at their rear ends are journaled upon the intermediate or crank portions of the axle sections 1. A draft tongue 10 is provided at its rear end and at its sides with plates 11, which are pivotally connected with the upper portion of the U beam 7 by means of a transversely disposed pivot bolt 12. Braces 13 are fixed at their forward ends to the sides of the draft beam 1, and are pivotally connected attheir rear ends with the sides of the frame 1.

Levers 1 1 are fixed at their lower ends to the intermediate or crank portions of the axle sections 1, and are provided with spring-actuated pawls, 15. Gear segments 16 are mounted upon the sides of the frame 13 and are adapted to be engaged by the pawls 15 carried by the said levers 14-. A standard 18 is mounted upon the forward portion of the U beam 7, and a bell crank lever 17 is fulcrumcd to the said standard 18. The working end of the lever 17 is connected to the rear portion of the draft tongue 10 by means of a link or connecting rod 19. A spring-actuated pawl 20 is carried by the lever 17 and is adapted to engage the teeth of a gear segment 21, which is supported, in part by the standard 18, and in part by the U beam 7. The upper portions of the standard 18 and the gear segment 2]. are braced by a bar 22, which, at its lower end, is also attached to the said U beam 7.

A blade 23 is attached to the rear portion of the U beam 7 and is provided with a forward inclined cutting edge 24;. At its rear portion the said blade 23 is bifurcated as at25, and the lower portion of the rear end of the beam 7 is located in the said bifurcation. A V-shaped blade 26 is attached at its apex to the lower rear end of the beam 7, and is provided with forward cutting edges 27. The side beams of the frame 3 are attached to the end portions of the blade 26.

From the above description it is obvious that by swinging the levers 14 the axle sections 1 will be turned upon their axes and that the intermediate crank portions thereof will be raised or lowered. Thus means is provided for raising or lowering either or both sides of the frame 3 with relation to the supporting wheels 2, and consequently the blades 23 and 26 may be raised or lowcred with relation to the surface of the ground. It will also be seen that by swinging the lever 17 the frame 3 may be tilted with relation to the surface of the ground,

and, consequently, the said blades 23 and 26 may be positioned at a desired angle with relation to the surface of the soil.

The draft animals may be attached to the forward, downwardly disposed end portion of the U beam 7 by means of an ordinary clevis (not shown).

When the grubber is used upon sage brush and similar vegetable growth, the forward portion of the standard 7 will pass through the same above the ground and together with the braces 8 will open a way for the rear portion of the said standard 7 carrying the blades 26.

What is claimed is A grubber including a wheel supported crank axle, a frame supported thereby and having downwardly curved rear end por tions, an inverted U-shaped beam depending from the frame, braces secured to the frame and to said beam, plates attached at their forward ends to the beam and at their rear ends ournaled upon the crank axle, a blade having a forked end portion for the reception of the lower portion of the beam, said blade having an upwardly and rearwardly inclined front cutting edge, and rearwardly diverging cutting bladesextending from the lower end of the beam and secured, adjacent their rear ends, to the downwardly extending rear end portions of the frame.

In testimony that I claim the foregoing as my own, I have hereto affixed my signature in the presence of two witnesses.

THOMAS E. HENDRICKS.

Witnesses:

FRANK I. HIGHFIELD, C. W. GREENOUGH.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). C.

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