US599518A - Stump-puller - Google Patents

Description

UNrrno STATES Parent Urrron,

CHARLES RUNGE, OF MERRILL, IVISCONSIN.

STUMP 'PULLER.

SPECIFICATION forming part of Letters Patent No. 599,518, dated February 22, 1898. Application filed February 26, 1897. $erial No. 625,154. (No model.)

To all whom it may concern.-

Be it known that I, CHARLES RUNGE, of Merrill, in thecounty of Lincoln, State of lVisconsin, have invented certain new and useful Improvements in Stu mp-Pullers, of which the following is a complete specification, reference being had to the accompanying drawings.

The object of myinvention is to produce a comparatively simple, cheap, and effective stump-puller that is adapted, through the arrangement of its parts, to exert great power and which possesses a wide range of adjustability to accommodate it to the 'WOIk which it is designed to perform.

In the accompanying drawings, Figure I is a side elevation of my stump-puller complete in the operative position, showing in full lines the lower supporting-lever in the initial position and in dotted lines its elevated position produced by the movement of the operating-lever. Fig. II illustrates in full lines the positions of the upper and lower supporting-levers, as shown in dotted lines in Fig. I and in dotted lines the readjustment of the upper supporting-lever. Fig. III is a central vertical section of the apparatus as shown in Fig. I.

Referring to the figures on the drawings, 1 indicates a tripod or horse of any suitable and ordinary construction designed to illustrate, by way of example, a support for sustaining my machine in the vertically operative position. It is provided at its upper end with a hook 2, that is designed to engage a ring or the like 3, that is secured, preferably, loosely to the upper end of a supporting-rod 4. This rod carries an upper clutch-loop 5 and a lower clutch-loop 6. The clutch-loops are substantially identical in construction. The clutch 5 is provided upon opposite sides with tapered extremities or horns 7 and 8 and with a medial bore 9, which may be slightly oblong in shape and defined by downwardlytapering walls 10.

The horn 7 of the upper clutch-loop enters an aperture 11 in the upper end of a stirruppiece 12. A guide-yoke 13, provided With an aperture 14 to receive the rod 4 and secured to the stirrup-piece 12 near its upper end, serves to hold the stirrup-piece substantially parallel to the rod 4. A spiral spring tends to separate the upper clutch-loop from the guide-yoke 13 and to keep the former at an oblique position with respect to the rod 4, whereby the edges of the bore 9 are made to bear against the rod and to support the clutch and the parts attached thereto upon the rod. It may be observed in this connection that an operator by grasping the horn 8 may release the clutch from the rod and raise or lower the parts at will.

- Both clutch-loops being, as specified, of corresponding shape, the lower one, (i, receives through its bore 15 the rod 4. One of its horns 16 projects through the oblong aperture 17 in the stirrup-piece and is designed to ride upon the cross-piece 1.8 in the lower end thereof. The other horn 19 passes through an aperture 20 in the connecting-piece 21, which is provided with a yoke 22, whose bore 23 receives the rod 4.

The yoke 22 corresponds in form and function with the yoke 13, previously described, and sustains a coiled spring 24, which normally supports the clutch 6 in a position with respect to the rod 4 opposite to that which the clutch 5 normally occupies, the stirruppiece 12 and the connecting-piece 21 being upon opposite sides of the rod 4.

The connecting-piece 21 carries upon its lower end a grab-clevis 25, which is designed to be secured to a stump, as by means of a chain 26. One bolt 27 may unite the clevis and also a bifurcated operating-lever 28 to the lower end of the connecting-piece.

The several parts of the above-specified mechanism, with the exception of the horse, are preferably made of steel of suitable weight and dimensions, the operating-lever, however, preferably terminating in a wooden handle 29.

30 indicates a fulcrum-support for the operating-lever, which may consist of a stone or block or the like that may be conveniently found where the machine is operated.

The operation of my device is as follows: The parts being in the position shown in full lines in Fig. I, the chain being secured around a stump to be lifted and secured to the clevis, the upper clutch-loop 5 is raised, so that the cross-piece 18 of the stirrup is in proximity to the horn 16 of the lower clutch-loop. The operator having adjusted the fulcrum 3O applies his weight to the handle 29. Thereupon the connecting-piece 21 is raised and operates the clutch 6, lifting the horn 19 thereof and depressing the horn 16 against the cross-piece 18 of the stirrup-piece 12,

against which it bears during the lifting movement of the operating-lever. The connecting-piece 21, the clutch 6, and the operating-lever, together with the stirrup-piece 12 and its support, constitute a compoundlever, of which 18 is one fulcrum and 30 the other, so that in operation the clutch member 6 acts as a lever, the cross-piece 18 being its bearing or fulcrum. When the handle 29 has been depressed by the operator as far as possible, it is released, whereupon the clutchloop 6 is tilted again into the position shown in Fig. I by the action of the spring 24, so that it sustains the weight upon it in the elevated position. The upper clutch-loop 5 may then be adjusted to a higher position upon the rod 4 and the operation of the lower clutch 6, just described, repeated. These alternating operations may be performed until the stump is entirely removed.

It is possible to operate my machine in a horizontal direction instead of vertically, as

illustrated, by laying the rod 4 in a horizontal position and securing the ring 3 to one stump, for example, and the clevis to another. The movement of the clutch-loops upon the rod 4 would then be accomplished by working the operating-lever substantially in the same manner as previously described.

What I claim is 1. In a stump-puller, the combination of a rod secured at one end, a tilting clutch adapted to engage therewith and be sustained thereby, and to be moved along the rod, an operating lever, and connections between such lever and the stump, and between the lever and the clutch, whereby when the lever is operated to pull the stump, it tilts the clutch and moves it along the rod, and when its movement ceases the clutch sustains the lever and the stump upon the rod, substantially as set forth.

2. In a stump-puller, the combination of a rod secured at one end, a tilting clutch adapted to engage therewith and be sustained thereby, and movable along said rod, a movable bearing for the clutch with which it engages when tilted to disengage the rod, an operating-lever, and connections between such lever and the stump, and between it and the clutch, substantially as set forth.

3. In a stump-puller, the combination of a rod secured at one end, a tilting clutch adapted to engage therewith and to be sustained thereby, and movable along said rod, a moV- able bearing for the clutch, with which it engages when it is tilted so as to disengage the rod, such bearing being sustained by the rod,

v an operating-lever, and connections between such lever and the stump, and between it and the clutch, substantially as set forth.

4. In a stump-puller, the combination with a rod and adjustable bearing-piece thereon, of an adjustable clutch member upon therod provided with horns upon its opposite extremities, an operating-lever and connectingpiece uniting the lever to one of the horns, and adapted to operate the clutch member against the first-named bearing-piece as a fulcrum, substantially as and for the purpose specified.

5. In a stump-puller, the combination with a rod, tilting clutch member, connectingpiece, and operating-lever, of a yoke upon the connecting-piece provided with an aperture for the rod, and a coiled spring around the rod between the yoke and the clutch member, substantially as set forth.

6. In a stump-puller, the combination with a rod, tilting upper clutch-loop and stirruppiece loosely secured thereto, a yoke secured to the stirrup-piece and surrounding the rod, and a coiled spring between the yoke and the upper clutch loop, of a tilting lower clutch-loop, provided with horns, a connecting-piece loosely secured to one of the horns, the other horn working within the stirruppiece, a yoke secured to the connecting-piece, coiled spring between the yoke and the lower clutch-loop, and an operating-lever operatively secured to the connecting-piece, substantially as set forth.

In testimony of all which I have hereunto subscribed my name.

CHARLES RUNGE.

Witnesses:

GEO. CURTIS, Jr., HELEN BRITT.

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