US745836A - Riding-harrow. - Google Patents

Description

No. 745,836. PATENTED DEC. 1, 1903. R. H. HARTZELL.

RIDING HARROW.

IT [I w 1 I 3 1 2 3 5 I 72, Vdiij i 1 w a I No. 745,836. Patented December 1, 1903.

UNITED STATES PATENT OFFICE.

ROBERT I-I. HARTZELL, OF ROOKFALLS, ILLINOIS, ASSIGNOR OF ONE-HALF TO FRANK O. RUMLEY, OF ROOKFALLS, ILLINOIS.

RlDlNG-HARROW.

SPECIFICATION forming part of Letters Patent No. 745,836, dated December 90 Application filed September 19, 1902. Serial No. 124,002. (No model.)

To aZZ whom, it may concern: front bar of the frame by means of a pair of Be it known that 1, ROBERT H. HARTZELL, short chains 8 of equal length. At each side acitizen of the United States,residingat Rockof each harrow-section are short chains 9, by

falls, in the county of W'hiteside and State of means of which such section is loosely con- 5 Illinois, have invented certain new and useful nected with the bent portions of the crank- Improvements in Riding-Harrows; and I do shaft 4. The harrow-sections are loosely declare the following to be a full, clear, and united near their rear ends by links 10. exact description of the invention, such as Secured to the crank-shaft 4, so as to imwill enable others skilled in the art to which part a rocking motion thereto, is a lever 11,

10 it appertains to make and use the same, refprovided with a spring-pawl device adapted ereuce being had to the accompanying drawto engage notches in the arch 12, secured to ings, and to the figures of reference marked the frame 1. By this means the bent porthereon, which form a part of this specifications of the crank-shaft may be raised or low tion. ered at will, carrying with them the harrow- :5 My invention has reference to riding-harsections 7.

rows, and seeks by an improved construction Secured to the frame 1 and cross-piece 2 is to overcome some of the objectionable feathe tongue 13, to which the horses may be sotures which devices of that class now possess. cured in the usual manner. Convenient to I do this by providing a light frame balanced the lever 11 is a seat 14, secured on a support 20 on two carrying-wheels, the' front bar of such 15, fastened to the frame 1.

frame serving as a draft-bar, to which the By operation of the lever 11 the harrow= i harrow sections are directly attached, the sections are simultaneously raised from conhorses being secured immediately in front of tact with the earth or returned thereto. such bar. This construction possesses the The method of attaching the sections to the 25 advantage of furnishing a direct and positive draft-bar and to each other permits such secline of draft from the horses to the harrowtions to havealimited lateral movement withsections, which is greatly to be desired for out disturbing the alinement thereof and prethe reason that a more steady and even opervents their turning sidewise or running into ation of the harrow is secured thereby. each other.

0 In connection with the above featuresIfur- What I claim as my invention, and desire nish a simple and convenient means for eleto secure by Letters Patent of the United vating the harrow-sections above the ground States, is when it is desired to turn around or drive The combination with the open frame comfrom one place to another without operating prising end, front and rear pieces secured to- 35 the machine. gether, a cross-piece 2, and longitudinally- In the drawings, Figure 1 is a plan view of extending cross-pieces arranged at right anmy device. Fig. 2 is a side elevation thereof gles to the said cross-piece 2, supports sewith one of the wheels removed. cured to the rear face of the cross-piece 2, a

l is the frame of the machine, having a shaft journaled in said supports and being 40 transverse central cross-piece 2, to which are formed with a plurality of cranks, a plurality secured the carrying-wheels 3. of harrow sections arranged beneath said 4 is a continuous crank-shaft journaled at frame and being joined together by flexible its ends in boxes 5, secured to the frame and connections, short chains secured to the said 0 sustained between its ends by supports 6, seharrow-sections and to the cranks of the shaft 4.5 cured to the cross-piece 2. lying directly thereabove, a lever rigidly se- 7 7 represent harrow-sections of usual concured to said shaft and projecting upwardly struction, each section being secured to the between the last-named longitudinally-ex- In testimony whereof I affix my signature in presence of two Witnesses.

ROBERT H. HARTZELL.

tending cross-pieces, and a notched arch secured to one of said last-named cross-pieces, a stop carried by the lever for engagement with said areh,'fiexib1e connections between the forward ends of said barrow-sections, and Witnesses: the front piece of said frame and Wheels for J. E. MOPHERSON, supporting said frame. I F. A. GOULD.

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