US476834A - Cultivator - Google Patents

Description

J. D. SIMMONS.

GULTIVATOR.

Patented June 14 '1892...

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(No Model.)

'UNITED STATES "PATENT Grrlcn.V

JAMES D. SIMMONS, OF HAGERSTOVN, MARYLAND.

CU LTIVATOR.

SPECIFICATION forming part f Letters Patent No. 476,834, dated June 14, 1892.

Application filed March 28, 1892. Serial No. 426,733. (No model.)

T0 all whom t may concern,.-

Beit known that I, JAMES D. SIMMONS, a citi-1 zen of the United States, residing at Hagerstown, in the county of Vashington and State ofMaryland, have invented certain new and useful Improvements in Cultivators; and I do hereby declare the following to be a full, clear,

and exact description of the invention, such as lwill enable others skilled in the art to which 1t appertains to malte and use the same.

This invention has relation to improvements in cilltivators; and it consists in the novel construction, combination, and arrangement of the same, all as will be hereinafter more fully described.

rlhe annexed drawings, to which reference is made, fully illustrate my invention, in which- Figure l represents a top or plan view of my improved cultivator. Fig. 2 is a vertical sectional view of the same. Fig. 3 is a detached sectional view7 and Fig. 4 isa perspective View, of the lever and knee-joint bar.

Referring by letter to the accompanying drawings, A designates the frame of the cultivator, consisting of the front cross-bar a, rear cross-bar b, and short arms c, which conneet the front and rear bar to one another. The tongue Bis connected to the frame in the usual manner and has side braces d d, con` necting the front bar of the frame with the tongue.

The doubletree e ofthe cultivator is not pivoted in the usual manner to the tongue, but passes through hangers ff, secured to and on each side of the tongue. This doubletree has its forward and backward sliding movement between the horizontal bar g of each hanger and the under side of the tongue. Apin 7L is passed through the doubletree on the outside of each hanger to prevent lateral movement of said doubletree. To the central portion of thisdoublctree, as at d', is secured one end of a pair of chains 'i i', the opposite ends of which are secured to the end cross-bars of the main frame, as at h.

C represents the spring cult-ivator-teeth, the forward ends of which are pivoted to the front cross-bar and on the top of the same, and being pivoted, as shown, to the top of the front crossbar the draft is less and draws more in a straight line when the machine is moved forward, and said teeth are supported by a short "barj, which is arranged directly above the rear The upper cross-bars cross-bar of the frame. njare arranged in sections. Each section, `with its cultivator teeth, is independent of the other, said bars being notched at c to receive the horizontal portion of the tooth, and above .the same is a spring-holding plate for each of said teeth, consisting of a top plate 7.3, which is xed to the cross-bar j by bolts Z Z, and a movable plate m, that slides vertically upon said bolts. Interposed between these plates is a spring n, that bears upon the movable plate and holds the latter down upon the spring-teeth. Pivoted at its front end to the frame is a lever D. Each section of the teeth is provided with one of these levers. The same is bolted to the upper cross-bar, as at d', and is slotted at o in rear of said bar. Vithin this slot is pivoted one end ofajointed bar E, the end p of which extends somewhat above the lever D to form a handle, for a purpose hereinafter explained. This bar Eis hinged at q, forming a knee-joint, while the endi1 is pivoted at s to the rearcross-bar of the frame, and in raising the teeth by sections or a single section at a time the jointed bar serves to hold the section in a raised position, thus clearing the teeth from the ground. The extended end p of the knee-bar serves as a handle to straighten said bar for supporting the section.

F designates the transporting-wheels, which are arranged to revolve on a transverse bar t, that extends from one side of the frame to the other side and is secured to said frame. These wheels are arranged somewhat inwardly from the outside of the machine and between each outside tooth-section and the adjacent section. The same carry the weight of the frame and teeth as well as the drivers seat G, which is mounted on the main frame. It will thus be observed that in operation, when any of the teeth come in contact with an obstruction the cross-plate above said tooth, with its spring thereon, gives and saves the tooth from injury, and should a solid obstruction be encountered the entire springtooth section will rise and overcome the same. When itis only desired to use one or more sections, the re- IOO mailling* section or sections can be readily raised from the ground by the lever and held elevated by the knee-jointed bar. It will be further seen that by the arrangement of the doubletree within the hangers the same has a forward and backward movement, and by the novel connection ofthe doubletree, by the chains, to the frame the draft on the team is equalized. Should one horse draw more than the other horse, the strain Will be upon the chain on the opposite side of the tongue, and the pins in said doubletree serve to keep the latter in position. Thus it will be readily observed that I construct a cultivator, whereby a few teeth may be operated at a time and that the draft by the team through the 1nedium of the chains is eqnalized, and by pivoting the end of the teeth to the upper portion of the front cross-bar there is less resistance and strain, an d the device herein described is durable, easily operated, and at the same time cheap to manufacture.

Having thus described my invention, what I claimas new, and desire to secure by Letters Patent, is-

In a cnltivator, the combination, with the frame having transporting-Wheels, of the teeth pivoted on top of the front cross-bar, the movable crossbar beneath said teeth, the plates arranged above the teeth and provided with the spring, the hand-levers pivoted at their forward ends to the frame and secured about their center to the movable upper crossbars and provided with the slot, and the jointed bars pivoted to the rearcross-barof the frame and hinged, as shown, the upper end passing through and pivoted in the slot of the lever, the extended end of said bar serving as a handle, substantially as described.

In testimonywhereof I affix my signature in presence of two witnesses.

JAMES D. SIMMONS.

1Witnesses:

P. M. MISHLER, JOHN D. MAIN.

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