US530691A - Hay-loader - Google Patents

Description

(NoModeL) HAY LOADBR. I

No. 530,691 Patented 1360.11, 1894.-

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0. '0. JEWETT', Deo'd;

G. A. JEWETT, Administratrix. HAY LOADERQ No. 530,691. PatentedDemll, 18-94..

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(No Model.) v v G. 0. JEWETT, Dec'd. G. A. JEWETT, Administratrix.

I HAY LOADER. No. 530,691. Patented 6041, 1894.

UNITED STATES PATENT OFFICE.

CARRIE A. JEWET'I, OF SAND SPRING, IOWA, (ADMINISTRATRIX OF CHARLES C. JEWETT, DECEASED,) ASSIGNOR TO THE ROCK ISLAND PLOW COMPANY,

OF ROCK ISLAND, ILLINOIS.

HAY-LOADER.

SPECIFICATION forming part of Letters Patent No. 530,691, dated December 11, 1894.

Application filed December 16,1892. Serial No, 4:55AM. (No model.)

To all whom it may concern.-

Be it known that CHARLES 0. JEWETT, of Sand Spring, county of Delaware, and State of Iowa, did invent a new and useful Im provement in Hay-Loaders, of which the following is a specification.

The invention relates to that class of hayloaders in which an inclined loading-frame is supported on a wheeled car carriage, and

1c in which rake-bars having a combined reciprocating and swinging movement gather the hay from the ground and carry it up over the inclined frame.

The invention has reference to certain improvements whereby friction is avoided and a greater range of raking and gathering action is given to the rakes.

In the accompanying drawings,Figure 1 shows the loader in side elevation. Fig. 15

2 o is a plan view of the carriage frame, the front end of the tongue being broken away. Fig. 2

is a plan view. Fig. 3 is a vertical longitudinal section on line 3-3 in Fig. 2. Fig. :3 is a side view of one of the sprocket wheels on the axle z 5 and the pawl mechanism through which it is driven. Fig. 4 is a transverse section on line 4-4 in Figs. 1 and 3. Fig. 5 is a broken side elevation of a loader, showing a modification.

Fig. 6 is a similar View showing another modi- 3o fication.

The essential feature ofthis invention is a rocking or oscillating mechanism and connections between the same and the rake bars for imparting to the latter a rising and fall'- 5 ing movement.

In the drawings several modifications are shown, all embodying the same principle of operation and all elfecting the same movement of the bars.

Referring to the drawings,-.A designates the supporting carriage, which maybeof any preferred. construction. As shown in the drawings it comprises a cross-bar a, formed at the ends with bearings for the axle, a tongue a, braces a a between the cross-bar and tongue to strengthen'the latter, a revolving axle a, supported in the bearings of the cross-bar, and ground wheels a a, loosely mounted on the ends of the axle, and capa ble of turning thereon independently.

B designates the frame of the loader, the same comprising side-bars b b, converging slightly toward the front or upper ends, crossbars b connecting the side-bars, and longitudinal slat-ssecured upon the said cross-bars and forming the bottom or bed of the frame. The frame, thus constructed, is supported in cured to the side-bars b, the revolving axle having bearings in the lower ends of said standards.

c o' are braces between the lower ends of the standards and the side-bars of the frame to give rigidity to the structure.

The front or upper end of the frame B, is supported by a rod (1 pivoted to the under side and extending down through the frame A. A spiral spring 01', on the rod holds the frame normally in its highest position, but allows it to tilt when passing over uneven surfaces or obstructions. The standards o project above the frame B, and support, in bearings at their upper ends, a crank-shaft C, the purpose and operation of which will be presently explained.

. The rake-bars are disposed above the bed of the frame B and are divided into two series, e and e, the bars of one series alternating with those of the other. Toward their front and upper ends the bars of the two series'are connected respectively with overlying cross- ;oars ff, which project out beyond the sidebars .b and are provided with anti-friction wheels g g, which run on track rails g g, se- "cured to the frame.

The crank-shaft C has at each end two op- :posite cranks h h, which are connected respectively with the two cross-bars f f by pit- ,men '6 11, whereby, when the shaft is revolved, the-two cross-bars f f are moved toward and from each other and the two series of rake bars are reciprocated alternately. f

D D designates two sprocket wheels rigidly secured upon the axle adjacent to the ground an inclined position by standards a 0,- se.,

wheels a. The hubs of the ground wheels are provided with ratchet teeth j and the sprocket wheel carry pivoted pawls j which engage said ratchet teeth and cause the sprocket wheels and the axle to revolve when the carriage moves forward. \Vhen the ground wheels turn backward, as in backing, the pawls ride over and permit the wheels to turn independently; or one wheel may stand still or turn backward while the other is turning forward, as in changing direction or turning around, the axle and the connected parts being then kept in motion by the forwardly turning ground-wheel.

The shaft 0 carries at its ends rigidly mounted sprocket wheels E E, which are driven by chains F F, passing around the wheels 1) D.

A rock frame, comprising two parallel transverse rods or bars 7: l0, and two end-bars, Z, Z, is journaled or trunnioned in standards rising from the side-bars b b, in rear of, or below, the standards 0. This frame has at its ends upwardly projecting arms m m, which are connected by pivoted links it n with corresponding cranks of the crankshaft 0, or with the lower ends of one pair of the pitmen c or i. The lower ends of one series of the rake-bars are suspended from one of the transverse bars of the rake-frame, and the other series from the other of said bars, by hangers or stirrups which are pivotally connected both with the cross-bars k, and with the rake-bars, so that the latter may reciprocate longitudinally while a swinging movement of the lower ends is permitted. By suspending the rake-bars in the manner shown and described a greater range of reciprocating movement is secured in proportion to the rising and falling movement than when both the reciprocating and the swinging movements are imparted by crank action, the result being a more elongated elliptical movement of the gathering rakes at the lower ends of the rake-bars, and a correspondingly greater range of action.

The slatted bottom of frame B has a hinged section at the upper end which may be let down or adjusted at any desired angle when the full height of the loader is not required. This hinged and adjustable section is supported by a brace bar 19, which extends into, and engages with a loop or eye 19', of the rod (2.

In the modification shown in Fig. 5 the lifting rods or bars k Zo,.are carried by cranklevers s s, pivoted on longitudinal bars t, at the sides of the frame. The two pairs of crank lovers are set in opposite directions and their lower ends are connected by pivoted links a, and with a crank on shaft s by a connecting rod 11.. The two series of rakebars are suspended from the rods as before, and operated in the same manner, the rods moving simultaneously in opposite directions as the crank levers are vibrated through their 5 5 connections with the crank shaft.

In the modification shown in Fig. 6 two revoluble shafts 7c 70' are substituted for the rockbars 7t 75, which are journaled in standards v, rising from the sides of the frame B. On the ends of these shafts are band pulleys 1, 2, which carry bands 3, whereby the shafts are caused to revolve in unison. Lever 4 f ulcrumed at a point 5, between the standard o and the crank-shaft O, are connected at their rear ends with the bands 3, and at their frg nt ends, by sliding connections with crankarms 6 on the shaft. The rake bars are suspended from the bands, one series on one side and the other series on the other side. When the shaft 0 revolves the levers 4 are vibrated whereby an oscillatory or rocking motion is imparted to the shafts 7t 70', and the rake-bars are alternately raised and lowered by the bands 3.

Having thus described the invention, what is claimed is- 1. The combination of a series of rake bars, means for reciprocating them longitudinally, and a separate and distinct mechanism for raising and lowering the same, said mechanism comprising a horizontal rock shaft above said rake bars, and connections between the same and the side of the shaft.

2. The combination of a series of rake bars, means for reciprocating them longitudinally, and a separate and distinct mechanism for raising and lowering theirlower ends, said mechanism comprising a transverse rocking frame above the rake bars,and swinging hangers between the lower ends of the same and the frame.

'3. The combination of the rake bars connected in two series, pitmen connected respectively to said series of rake bars, cranks for operating the pitmen, a rock shaft extending transversely of the bars above the same, swinging hangers connecting the sides of the rock shaft with the bars, and means for rocking the shaft.

4:. In a hay-loader, the combination of the rake-bars, the crank-shaft, and pitman connections for imparting reciprocating motion to the rake-bars, a supporting-frame, swinging hanger connections between the frame and the rake-bars, and connections between the crank-shaft and said supporting frame for imparting a rocking motion to the same.

5. The combination of the rake-bars, the crank-shaft, and pitman connections for imparting reciprocating motion to the rake-bars, a pivoted framehaving transverse supporting bars is k, link connections between the frame and crank-shaft for imparting a rocking motion to the frame, and swinging hanger connections between the transverse bars of the frame and the lower ends of the rake-bars to support the latter.

6. The combination of two series of rake- In testimony whereof I hereunto set my bars, the bars of one series alternating with hand, this 26th day of November, 1892, in the those of the other series, a. 'CIHJIIIk-Shaft, and presence of two attesting witnesses. .connections for reciprocating t e two series I 5 of bars alternately,atransverse pivoted frame CARRIE JEWET and connections for imparting a rocking mo- Administratria: 0f the estate of Charles 0'. tion thereto, and swinging hangers support- Jewett, deceased. ing one series of rake-bars from one side, and Witnesses: the other series from the other side, of said M. W. HEVRICK, I

re rocking frame. D. 0. J EWETT.

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