US31163A - Improvement in cultivators - Google Patents

Description

E. W. FULLER.

Rotary Harrow.

Nag r me medmn 22. 1861.

N. PETERS. PHOTO-UTMQGRAPHER. WASHINGTON, D. 0.

UNITED STATES PATENT OFFICE.

E. W. FULLER, OF MARTINSVILLE, LOUISIANA.

IMPROVEMENT IN CULTIVATORS.

Specification forming part of Letters Patent No. 31,163, dated January 22, 1861.

I a plan or top view of the same.

Similar letters of reference indicate corresponding parts in the two figures.

To enable those skilled in the art to fully understand and construct my invention, I will proceed to describe it.

A represents a rectangular frame, which is shown mounted on a rotary harrow, B, and a roller, 0, these parts being used when a seeddistributing device is employed. When, however, these parts are not required ordinary wheels may be used instead.

The frame A is provided with traversebars a, which are perforated with holes I), and on which two parallel and longitudinal bars D D are fitted and allowed to slide laterally. These bars may be secured in any desired position by pins 0.

Through each bar D there passes two vertical,0r nearly vertical,bars E E. These bars E are allowed to slide freely in the bars D,

and the former may be secured at any desired point by pins d. To the lower ends of the bars E E there are attached plows G, which may be of the usual turning mold-board form and provided with landsides c.

From the above description it will be seen that the plows may be adj ustcd nearer togethr or farther apart as desired, and it will also be seen that the plows may be adjusted vertically by raising or lowering the bars E E, the latter being secured at the desired point by the pins d.

The plows G may be made toturn the earth toward or from the plants by reversing themthat is to say, changing them from one barD to the other.

The frame A will admit of the application of any of the seed-distributing devices, and the

Images