US638169A

US638169A - Grubbing-machine.

Info

Publication number: US638169A
Application number: US72096199A
Authority: US
Inventors: James Bloodgood; John G O'donnell
Original assignee: Individual
Current assignee: Individual
Priority date: 1899-06-17
Filing date: 1899-06-17
Publication date: 1899-11-28
Anticipated expiration: 1916-11-28

Description

Patnted Nov. 28, I899. J. sLoonaoop &; J. a. woman.

GRU'BBING MACHINE.

(Application filed June 17, 1899.)

(No Mhdol.)

avwantouq Vuneoaeo Rays virus I, WOTO-LlTMG,.-WASHINGTON a c JAMES BLOODGOOD, OF BRIGHTWOOD, AND JOHN G. ODONNELL, OF LEON,

trier.

VIRGINIA.

GRUBBlNG-MACHINE.

@PEGIFICATION forming part of Letters Patent No. 638,169, dated November 28, 1899.

Application filed June 17, 1899.

To all whom it may concern:

Be it known that we, J AMES BLOODGOOD, of Brightwood, and JOHN G. ODoNNELL, of Leon, in the county of Madison and State of Virginia, have invented a new and useful Improvement in Grubbingdiflachines or Sprout- Pullers, of which the following is a specification.

This invention is anew and useful construction of grubbing-machine or puller, the object being to provide an exceedingly cheap and simple device which can be readily carried about and operated by one person.

Another object of the invention is to provide a device consisting of exceedingly few parts, all of which are thoroughly braced, so that all danger of breakage during operation is avoided.

Another object of the invention is to provide a device of the kind described which will be certain in its action, avoiding slipping, which has been one of the principal defects in all grubbing-machines or sprout-pullers heretofore used.

With these objects in view the invention consists, essentially, of a lever pivotally mounted on a bracket, said bracket having a forwardly-projecting arm having a hook at its forward end adapted to act in conjunction with the forward end of the lever, a supporting-bracket, arm, and lever, all being braced to prevent strain and breakage.

The invention consists also in constructing the supporting-bracket, arm, and hook from a single piece and also in the peculiar manner of bracing or strengtheningthe said arm.

The invention consists also in certain details of construction and novelties of combination, all of which will be fully described 40 hereinafter, and pointed out in the claims.

In the drawings forming part of this specification, Figure l is a perspective view showing the bracket portion of our invention. Fig. 2 is a detail perspective view of the supporting-bracket, the lever being removed; and Figs. 3, 4., and 5 are perspective views of slightly-modified forms of machines, all constructed in accordanced with the broad principle of our invention.

In carrying out the invention we employ a base-block A, which may be of any suitable Serial No. 720,961., (No model.)

size and form and to which is rigidly attached a supportingbracket B, said supportingbracket comprising a Hat horizontal member B, which is rigidly attached to the baseblock, and the side members B ,carried up essentially parallel and provided with perforations through which the pivotal bolt 0 passes, said bolt serving to connect the lever D to' the supporting-bracket. The forward end of the lever is sheathed by means of a metallic strap D, and in order to employ a light construction of lever and at the same time provide a very strong one we em ploy a metallic truss-rod D which is fastened by means of a bolt D passing through the forward end and by means of a ring D passing through an eye D formed upon the upper end of the trussrod, said ring being locked into a notch D produced beneath the under edge of the lever D. A suitable bridge D is interposed between the lever and truss-rod intermediate of its ends, thereby providing an. exceedingly light and strong lever. A forwardlyprojecting arm E is formed integral with one, of the side members of the supporting-bracket and at its forward end is provided with a hook F. This hook is reinforced by turning the metal back upon itself and carrying same back to a point beyond the pivotal bolt, said pivotal bolt serving to secure the return end of the arm, thereby producing an arm of do uble strength, and by curving the said return portion slightly downward we provide a truss for the arm, and inasmuch as the outer portion thereof must necessarily be strained before the inner portion could be broken, by providing the double hook and arm we reinforce or strengthen that portion of the machine which is subjected to the greatest strain. We also provide a brace-rod G, which is secured at its lower end to the base-block or supporting-bracket and at its upper end to the forwardly-projecting arm adjacent to the forward end, thereby holding the said arm in its proper position with relation to the supporting-bracket. The lever being pivoted adjacent to its forward end in the supportingbracket is adapted to be brought into contact with the root or sapling to be pulled, while the hook of the arm is brought into contact with the other side of the root or sapling at a point above the point of contact of the lever, and by rocking the supporting-bracket upon the base-block the root or sapling can be quickly and easily uplifted, and the machine is then ready for operation again.

By constructing the supporting-bracket and lever in the manner described we are enabled to provide an exceedingly strong and at the same time a very light machine, so that it can be quickly and easily carried from place to place as desired.

In Fig.3 we have shown a very slight modification, in which the forward end of the arm is bent horizontally to provide a jaw instead of a hook, and the end is then returned to provide a reinforcement, and the same bolt which secures the upper end of the brace-rod also secures the return end of the jaw.

In Fig. 4 we have shown the supportingbracket as composed of two pieces, and in Fig. 5 the supporting-bracket is of substantially the same construction, and the forward end of the arm is bent transversely across and the lever is provided with a metallic strap which is bent substantially parallel to the end of the arm. In all of these modifications the principle of our invention is exactly the same, inasmuch as the brace-rod is employed in each one, and, furthermore, the forwardly-projecting arm and the transverse jaw or hook are also employed.

. It will thus be seen that our invention is capable of carrying out all of the objects heretofore mentioned.

Having thus fully described ourinvention, what we claim as new, and desire to secure by Letters Patent of the United States, is-

1. In a grubbing-machine, a supportingbracket having a forwardly-projecting arm provided with a hook at its forward end, a lever pivoted in the supporting-bracket, and a brace-rod extending from the base of the supporting-bracket into the forward end of the forwardlyprojecting arm, substantially as shown and described.

2. In a grubbing-machine, a supportingbracket comprising the base and side members, a forwardly-projecting arm formed from a single piece of metal, the hook upon the forward end of said arm, and the return portion, substantially as shown and described.

3. In a grubbing-machine, a supportingbracket, comprising the base and side members, aforwardly-proj ecting arm formed from a single piece of metal, the hook upon the forward end of said arm, a return portion, and the brace-bar extending from the base of the supporting-bracket to the forward end of the forwardly-projecting arm, substantially as shown and described.

4. In a grubbing-machine, a brace-block having a supporting-bracket attached thereto, said supporting-bracket comprising a base portion and side members, the forwardly-projecting arm integral with one of the side members, the hook at the forward end of said arm, the return portion connected as described,and the lever pivotally connected to the supporting-bracket, substantially as shown and described.

5. In a grubbing-machine, a brace-block having a supporting-bracket attached thereto, said supporting-bracket comprising a base portion and side members, the forwardly-projecting arm integral with one of the side members, the hook at the forward end of the said arm, the return portion connected as described, and the lever pivotally connected to the supporting-bracket, a brace-rod secured upon the upper face of the lever, substantially as shown and described.

JAMES BLOODGOOD. JOHN G. ODONNELL. Witnesses:

THOMAS BURKE, M. B. RossoN.