US601295A - Cultivator - Google Patents

Description

(No Model.)

P. F. WELLS.

GULTIVATOR. No. 601,295. Patented. Mar. 29, 1898.

Nrrnn ATENT union.

PHILIP F. WELLS, OF MILFORD, MICHIGAN.

CULTIVATO R.

SPECIFICATION forming part of Letters Patent No. 601,295, dated March 29, 1898.

Application filed January 22, 1897. Serial No. 620,215. (No model.)

To all whom it may concern.-

Be it known that I, PHILIP RWELLS, a citizen of the United States, residing at Milford, county of Oakland, State of Michigan, have invented a certain new and useful Improvement in Cultivators; and I declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification.

My invention has for its object certain new and useful improvements in cultivators; and it consists of the construction, combination, and arrangement of devices hereinafter described and claimed, and illustrated in the accompanying drawings, in which- Figure l is a view in perspective embodying my invention. Fig. 2 is a detail view of one of the draw-bars, showing also the manner of attaching the spring thereto and to the lifting-bracket. Fig. 3 is a section through the bar A', one of the rings A3, and a portion of the adjacent casting A2.

My invention is designed to secure an efficient equalization of the draft and to provide means for holding the cultivator-sections in desired position.

My invention also embraces the general construction and arrangement which I will proceed more fully to describe.

A A represent pendent portions of an arched axle, the upper extremities of which have an adjustable and swinging engagement with a bar A' intermediate the portions A A, said bar running essentially at right angles to the pole or tongue B and upon which the rear end of the pole or tongue is secured in any suitable manner, as indicated at B'.

C C represent two cultivator-sections.

D D represent two draw-bars, through the rear ends of which the axle is sleeved, as at d. These draw-bars are each made of an arm d, running forward from the axle at anupward inclination a desired distance, the front portions of said draw-bars being each constructed with an upwardly-projecting arm d', integrally united to the arms d, the two arms forming a solid draw-bar. The arms d of the drawbars are carried upward, being bent so as to stand nearly perpendicular to an evener E,

attached to the tongue, to which their upper ends are secured. The draw-bars are each formed without a joint at the bend uniting the arms d and d. It will be seen that the draw-bars are thus carried upward to substantially a level with the tongue, the evener E being secured, preferably, to the under side of the tongue, as shown. The carrying of the draw-bars thus up to substantially a level with the tongue and making them in a single integral unjointed piece is believed to be novel. A strap F passes over the tongue and is engaged at its extremities to the extremities of the evener E.

G indicates a yoke jointedly connected intei-mediate its ends to the tongue B, asindicated at g, the yoke having two depending arms g' and g2.

H and H denote two draft-levers fulcrumed intermediate their ends, respectively, to a l bracket h, engaged with the corresponding arm d' of the corresponding draw-bar D, as indicated at h. To the lower ends of the draft-levers H H are engaged the whiffietrees J J. The upper extremities of the draft-levers H H are pivotally connected to the corresponding arms of the yoke G, as indicated at h2. The yoke G is provided with suitable braces g3. The lower ends of the draft-levers H H are made longer below the fulcrum than the opposite ends, and it will be apparent that a horse 'attached to one of the whiffietrees may move forward the lower end of the correspondin g draft-lever several inches with but a slight consequent movement of the machine, so that should a horse move forward, say, some ten or twelve inches, while. the other horse fell back or shirked, there would be but a slight movement of the machine be- IOO by means of arms M, through the rear extremities of which the end of the corresponding portion of the axle is sleeved. The drawbars D are constructed with elongated slots cl2, through which the forward end of the corresponding arm M is engaged, said arm being bent toward the draw-bar at its forward end and is secured in the corresponding slot by means of a nut m.

It will be apparent that when the sections C C are in the ground, being depressed, the draft is almost in line and, practically, does not lift at all. In fact, when the rear end of the spring is engaged in the lower hole of the corresponding couplings C the draft holds the sections in the ground instead of lifting; but when the sections are raised a little the line of draft begins to get above the level of the axle and of course lifts hard enough to hold the sections up if the springs are of proper tension. By the raising of the sections the leverage is thus increased, so that the springs will ultimately hold the sections up. The construction of the draw-bars D D with the elongated slot d2 is for the purpose of allowing the angle of the sections to change.

The upper ends of the axle portions A A are provided with castings A2 to sleeve over the ends of the bar A', a set-screw a' being provided to hold each casting in a given position of lateral adjustment upon said bar. The sections C C, connected with the axle portions A A, may thus be laterally adjusted as may be desired. Within the castings A2 are rings A3, through which the set-screws are engaged, so that the rings will be held solid while the castings may swing freely thereupon, the castings being prevented from moving laterally.

As the sections are spread apart or closed together, the axles must always be kept parallel to the bar A. Accordingly as the sections move in or out provision must be made for a yielding movement of the arms M in engagement with the draw-bars D. The provision of the slots cl2 provides for this yielding movement.

The sections C C are preferably constructed with two converging carrying-bars C3, engaging with the corresponding couplings C', upon which bars C3 are adjustably engaged blocks C4, to which the spring-teeth C5 are attached. I preferably locate on each bar C3 two of the movable or adjustable blocks C4, the spring-teeth connected with each being of a length permitting the shovels or blades C5 being either adjusted in line or in zigzag form, as may be required.

lVhat I claim as my invention isl. In a cultivator, the combination of an axle, the slotted draw-bars, the cultivatorsections, the arms M having their forward extremities engaged in the slots of the drawbars and their rear extremities engaged with the axle, lifting-brackets engaged with the front portions of the cultivator-sections and with the axle, and springs connecting said brackets with the forward extremities of said arms, substantially as set forth.

2. In a cultivator, the combination of an axle, the slotted draw-bars, the cultivatorsections, the arms M having their forward extremities engaged in the slots of the drawbars and their rear extremities engaged with the axle, couplings engaged with the front portions of the cultivator-sections and with the axle, and springs connecting said couplings with the forward extremities of said arms, said springs adj ustably connected with said couplings, substantially as set forth.

3. In a cultivator, the combination of an axle, a tongue, an evener secured to the tongue, the rigid draw-bars formed with forwardly-projecting arms d and upwardly-projecting arms d', said arms d projecting upward substantially to a level with the tongue and engaged with the evener,springs connecting the cultivator-sections with the draw-bars, a yoke jointedly connected to the tongue, and draft-levers pivotally connected to the yoke, said draf t-levers connected intermediate their ends with the corresponding draw-bars, substantially as set forth.

4. In a cultivator, the combination of an axle, the tongue, the evener, the draft-bars, the yoke depending from the tongue, the brackets and the draft-levers jointedly connected with the extremities of the yoke and having a fulcrumed connection with said brackets, substantially as set forth.

In testimony whereof I sign this specification in the presence of two witnesses.

PHILIP F. IVELLS.

Vitnesses:

DENNIS BoYLE, P. C. SLAUGHTER.

IOO

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