US443703A

US443703A - conklin

Info

Publication number: US443703A
Authority: US
Publication date: 1890-12-30
Anticipated expiration: 1907-12-30

Description

(No Model.)

Wfinassas wwshg K1 2 Sheets-Sheet 1. E. R. OONKLIN.

GULTIVATOR. I

Patented Dec. 30,1890.

(No Model.) 2 Sheets-Sheet 2.

E. R. 'GONKLIN. GULTIVATOR.

No. 448,703. Patented Dec. 30,1890.

-of the shovel-beams or drag-bars.

UNITED STATES- Areivr FFICE.

EDlVARD R. CONKLIN, OF \VAUSEON, OHIO, ASSIGNOR TO THE CONKLIN AUTOMATIC CULTIVATOR COMPANY.

ouL nvAToa.

SPECIFICATION forming part of Letters Patent No. 443,703, dated December 30, 1890.-

Application filed February 8, 1890. Serial No. 339,761. (No model.)

ances and takes from the neck of the horses the weight of the pole and the downward drag In this class of cultivators, when the suspended plows or teeth are in the ground, the weight and downward pull of the pole on the necks of the horses are greater than when the plows are out of the ground.

The object of my invention is to provide a simple, cheap, and eflicient means for shifting the axle of my cultivator to and fro by the same movement by which the cultivatorteeth are raised or lowered, thus shifting the fulcrum so that the weight and downward pull of the pole upon the necks of the horses may be kept substantially uniform, regardless of whether the plows are raised or lowered. I attain this object by means of the mechanism hereinafter described, and shown in the accompanying drawings, made part hereof, in which- Figure 1 is a side elevation of my cultivator; Fig. 2, a plan view; Fig. 3,a side view of the same with one of the wheels and one of the drag-bars removed; Figs. 4 and 5, side elevation of fulcrum-shifting lever in different positions, and Fig. 6 a plan of said lever and its attachments in detail.

Like letters represent like parts in the several views.

A is the main frame of the machine. This frame I prefer to form of gas-pipe and gasings) is suspended in the usual manner from midway between the extremities of the pieces composing the frame, the drivers feet resting in stirrups s.

The axle for the wheels does not extend across the width of the machine; but the wheels revolve on spindles c, Fig. 3, rigidly fixed to and projecting outwardly from the lower part of U-shaped standards E, the arms of which extend upwardly, terminating in loops or openings 6. These loops or openings loosely embrace the side pieces forming frame A, so that, the frame being stationary, the loops slip to and fro lengthwise of the frame, carrying with them the standards and Wheels of the machine, or so that, the wheels being stationary, the frame slips to and fro longitudinally in the loops, or so that both the frame and loops may move to and fro reciprocally.

Now, assuming that the driver is in his place in the seat suspended between the rear extremities of the frame Aand that his weight exactly balances the weight of the tongue, it

is clear that if the frame be moved forward in its hearings in loops 6, the fulcrum being shifted nearer the driver, the tongue willpress downward, while if the frame be moved in its bearings in the opposite direction the fulcrum will be shifted away from the driver and the tongue will press upward. Thus it will be seen that by sliding the loops 6 to and fro upon the frame A the weight of the pole or tongue upon the horses may be adjusted as desired. v My machine is provided with two dragbars F F, attached and pivoted by their forward ends to the bottom of the main frame near its front end. These drag-bars are provided with the usual shovels, plows, or teeth,

and maybe raised and lowered independently of each other by means of chains G, connecting the drag-bars with levers H, fulcrumed and pivoted at their lower extremities on cross-bar B. Levers H are provided with pawls h, which may be made to engage curved racks t on cross-piece B, retaining the levers at any desired point in their throw, thus sustaining the drag-bars at any desired height.

Racks 'i are fixed upon sleeves k, which rotate on cross-bar B. The-sleeves are each provided at their outer ends with a down wardly-projecting arm Z, attached rigidly thereto. Arms Z are slotted longitudinally, the slots receiving pins m, projecting from the inner face of standards E.

"When standards E, with their loops 6, are slipped to and fro on frame A, projecting pins on on standards E slide in slotted arms Z, causing the same to describe the arc of a circle of which cross-bar B is the center. This motion of arms Z rotates sleeves 7c, and with them racks '1', which, being engaged with levers H by means of pawls 7t, cause the throw of levers II, which, through chains G, raise and lower the drag-bars F.

N is a lever, the upward end of which has a handle within convenient reach of the operator. This lever is fulcrumed near its lower end to link or bar 0, which extends forward to and is pivoted on a block near the front end of the frame A. The lower end of lever N is pivoted to a collar fixed on rod 2), which is adapted to slidelongitudinally in suitable supports provided near its two ends. Attached to and leading forward from standards E are two stout rods t which converge and are fastened to rod 1).

Assuming that the plows are lowered to the ground, the position of the other parts will be as follows: Levers II will be thrown backward toward the driver, with their pawls 7L engaging the racks 2', the handle of lever N will be thrown back toward the driver, rod 1) will be pushed forward, and standards E, with the wheels, will he slipped to their forward limit. Arms Zwill also be thrown to their forward limit, while sleeves 7.; and racks i are turned on their axis to their backward limit. I11 this position either of the drag-bars, with its attached shovels, may be raised and lowered independently by means of its lever If, so as to avoid obstructions and straggling plants; but if it is, desired to raise both dragbars at once the operator throws forward the handle of lever N, which throws backward the lower end of the lever, carrying with it rod 1) and its attached rods g, which slide standards E backward on frame A, shifting the fulcrum of the machine backward. This backward movement of the standards E by means of pins 121. moving in the slots of arms I causes. arms Z to swing backwardly, rotating sleeves 7c and racks 6 forward, carrying with them levers II, which, through chains G, lift both drag-bars simultaneously.

The position of le ver N and its attachments when the plows are lowered and when the weight of the driver is farthest from the fulcrum is shown in Fig. 4. t-ion of the lever N, with the opposite result, is shown in Figs. 5 and 6.

seen that the equilibrium of the machine is maintained and the weight of the pole or The opposite posi- Thus it will be tongue is kept balanced by the weight of the driver by the same operation which throws the plows into or out of the ground.

\Vhat I claim as my invention, and desire to secure by Letters Patent, is-

1. In a cultivator, the drag-bar raising and lowering mechanism, in combination with the frame-supporting mechanism movable 1ongitudinally upon said frame, said drag-bar raising and lowering mechanism adapted to be actuated by the horizontal movement of the frame-supporting mechanism, substantially as shown and described, for the purpose specified.

2. In a cultivator, the fra'mesupporting mechanism adapted to move horizontally along the frame of such machine, in combination with the mechanism for raising and lowering the drag-bar, whereby the drag-bars may be raised or lowered and the fulcrum of the machine may be shifted by the same operation, substantially as shown. and described, for the purpose specified.

In a cultivator, standards E, provided with wheel-spindles and adapted to support and move horizontally to and fro along the frame of the 1nachine,in combination with lever N, fulcrumed to the frame of the machine, and the mechanism intermediate said lever and said standards, substantially as shown and described, for the purpose. specitied.

4. In a cultivator, levers H, adapted to raise and lower the drag-bars of the machine, in combination with the supportingmechanism of the frame A, adapted to move to and fro along said frame, and the mechanism intermediate said levers and said supporting mechanism, substantially as shown and described, for the purpose specified. I

5. In a cultivator, lever N, adapted to move the frame-supporting mechanism to and fro horizontally along said frame, in combination with levers I-I, adapted to raiseand lower the drag-bars of said machine, and the mechanism intermediate said levers H and N, substantially as shown and described, for the purpose specified.

6. In a cultivator, the combination of lever N, link or bar 0, rod 1), and rods (1 withstandards E, substantially as shown and described, for the purpose specified.

7. In acultivator, lever N, link or bar 0, rod 17, rods q, and standards E, in combination with pin m, slotted arm Z, sleeve L, rack i, pawls h, levers H, chains G, and drag-bars F, substantially as shown and described, for the purpose specified.

ll. R. CONKLIN.