US287027A - Heney iwan and louis iwls - Google Patents

Description

(No Model.

H. & L. IWAN.

UNITED STATES PATENT OFFICE.

HENRY IXVAN AND LOUIS IWAN, OF STREATOR, ILLINOIS.

H OE.

SPECIFICATION formingpart of Letters Patent No. 287,027, dated October 23, 1883.

Application filed June is, 1883. (No modem IWAN, citizens of the United States, residing sents the blade of a ditching-hoe, of the usual at $treator, in the county of La Salle and State 'of Illinois, have invented certain new and useful- Improvements in Ditching-Hoes; and we do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, making a part of this specification, and to the letters and figures of reference marked there- Figurel of the drawings is a perspective view of a ditchinghoe constructed in accordance with our-"invention. Fig. 2 is a detail view, on an enlarged scale, of the divided shank; Fig. 3, a similar view,'partly in section, showing the manner of connecting the handle to the shank; and Fig. 4, detailed views of the handle.

The present invention has relation to that class of ditching-hoes provided with adjustable handles, to admit of theblade and handle being set at the desired angle with relation to each other to adapt the hoe to certain class of work.

The objects of the invention are to form the shank of two separate sections, each of which is rigidly connected to the hoe-blade, and in constructing the upper or free ends of the shank- 7 sections and the lower end of thehandle, whereby the latter is firmly held between the section at any desired angle. These objects we attain by the construction, substantially as shown in the drawings, and hereinafter described and v claimed.

In the accompanying drawings, A represpring metal from which blades of this character are usually made, and is concavo convex in form. v

To the blade A, midway of its ends, or nearly so, are riveted, or otherwise rigidly secured, the lower ends of a bifurcated shank, formed in two separate sections, 13 (3. Each section at its free or upper end is formed with clamps a, one of which, upon its inner face, has a ratchet, b. j The clamps a have holes passing horizontally through them for a screw-bolt, c, headed at one end and secured by a nut, d.

The interior faces of the sections B C have each a mortise, e, to receive circular pins or tenons f, projecting from the sides of a ratchethead, D, upon the hoe-handle E, the ratchethead engaging with the ratchet-face 1) upon the clamp a of the section B. The clamps a have convex ends 9, to present as little surface as possible for the shoulders h to rest upon or come in contact, in order that the parts will not bind.

When it'is desired to adjust the handle, the nut upon the bolt is loosened, and the spring metal from which the hoe-blade is made will cause the shank-sections to separate, and also the clamps upon the ends thereof, to a suificient degree to disengage the ratchet-face of one of the clamps with the ratchet'head upon the handle, thus allowing the latter to be turned tothe desired angle with the hoe-blade, after which the nut is again screwed up upon the bolt and the clamp brought and held tightly against the ratchet-head. The ratch etteeth, as will be understood, prevent the handle from turning, and hold it in its adjusted position with relation to the hoe-blade, while the pins or tenons upon the ratchet head form a pivotal center upon which the handle turns.

We do not desire to confine our invention to the ratchet-teeth as shown in the drawings, as the same result may be obtained by a series of pins arranged in a circle entering a series of holes, and in place of providing the head D with pins or tenons, mortises may be substituted, and the pins or tenons formed on the clamps, these changes being made without departing from the principle of our invention.

Having now fully described our invention,

what we claim as new, and desire to secure by Letters Patent, is- I A ditching-hoe having connected thereto a bifurcated shank formed in sections, the upper or free ends thereof terminating in clamps and formed with mortises, and one of said clamps having a ratchet-face, in combination with a handle provided with a suitable head cast with tenons extending from its sides and aratchethave hereunto subscribed our names in the face to engage with that on the e1amp,said presence of two witnesses.

mortises and tenons forming a pivotal center, HENRY IWVAN.

and a bolt passing through the clamps and LOUIS IYVAN. 5 heads, substantially as and for the purpose XVitnesses:

set forth. THEODORE RooKENFELLnR,

In testimony that we claim the above we H. F. HOWLAND.

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