US2402908A - Manure loader - Google Patents

Description

'June--2f5,,1 46- D. o. NEVILLE ET AL MANURE LOADER .4 Sheets-Sheet l Filed May 10, 1 945 p. O..NEVILLE ET AL MANURE LOADER Filed May 10, 1945 4 Sheets-Sheet 2 1 June 25, 1946 D', ILL ET AL 2,402,908

MANURE LOADER I Filed May 10, 1945 4 Sheets-Sheet 5 pawn-22 ZLPZauZz June 25,194 D. o. NEVl LLE ET AL MANURE LOADER Filed May 10, 1945 4 Sheets-Sheet 4 Patented June 25, 1946 MANURE LOADEE Don 0. Neville and Alfred L. Plautz, Pocahontas, Iowa Application May 10, 1945, Serial No. 593,002

1 Claim. 1

This inventionrelates to new and useful improvements in manure loaders.

One object of our invention is to provide a manure loader equipped with a novel cantilever, which is so attached to the bucket that the latter is caused to remain level with the ground at any height.

Another object of our invention is to provide a manure loader which is hingedly mounted on the tractor by means of two supporting arms or brackets and may be easily and readily removed by simply taking ofi two bearing pins and their fastening nuts.

A. still further object of our invention is to provide a chain which releases the clutch pedal or power take-off lever, when the bucket reaches a certain pre-determined height, thus automatically preventing the bucket from going over.

Still another object of our invention is to provide a leader of the character specified that is simple and economical in construction and highly efiicient and durable in use, and is so mounted on the tractor that it does not place all of the Weight on the front wheels.

With the foregoing and other objects in view that will appear as the nature of our invention is better understood, the same consists in the novel features of construction, combination and arrangement of parts illustrated in the accompanying drawings and more particularly pointed out in the appended claim.

In the accompanying drawings, which are for illustrative purposes only and are therefore not drawn to scale:

Figure 1 is a side elevation, illustrating the application of our manure loader to a tractor, the bucket shown in lowered position.

Figure 2 is a similar view, with the bucket raised into dumping position.

Figure 3 is a plan view.

Figure 4 is an enlarged vertical transverse section, taken on line 4-4 of Figure 3, looking in the direction indicated by the arrows.

Figure 5 is an enlarged detail fragmentary view of the cantilever mechanism, trip lever and associated parts.

Figure 6 is an enlarged vertical transverse section, taken on line 6--6 of Figure 1.

Figure '7 is a detail sectional view of the lower end of the trip lever and latch.

Figure 8 is a side elevation, partly in section, showing another and more simplified form of trip for the bucket, and Figure 9 is a front view of the arrangement shown in Figure 8.

Referring to the drawings for a more particular description of our invention, and in which drawings like parts are designated by like reference characters throughout the several views, A designates a tractor of any ordinary or approved type and B our improved manure loader, as a whole.

Specifically, the loader comprises the two longitudinal supporting arms or brackets l and 2, hingedly connected at their rear ends, as at 3', to the outer ends 4 of the horizontal bearing pins 5. carried by the side bars 6 of the tractor frame. The bearing pins 5 are removably secured in place by the nuts I.

In carrying out our invention, a novel cantilever mechanism is employed, which allows the bucket 8 to remain level with the ground at any height. This cantilever comprises the vertically disposed arms 9, which are rigidly secured, as at iii, to opposite ends ll of the bucket, and loosely connected at their upper ends, as at H, to the forward ends of the longitudinal rods 12, disposed above and in parallel relation with the supporting arms or brackets I and 2. The rods [2 are loosely connected at their rear ends, as at I3,

5 to the upper ends of the vertical arms [4, pivoted at or near their centers, as at l5, to the bearing pins 5.

The lower ends of the vertical arms M are connected together by the horizontal cross bar l6, formed with the upper cylindrical head or portion l1, normally engaged by the recessed head I8 of the longitudinally adjustable latch I9, carried by the lower right-angularly bent end 2d of the trip lever 2|. The lower end 20 of the trip lever is pivoted, as at 22, to the depending arm 23 of the bracket 24, and the upper end of the trip lever is provided with a cord or cable 25, which extends rearwardly to within convenient reach of the operator.

In practice, the bucket 8 is tripped by exerting a pull on the cord or cable 25, which releases the head ii; of the latch 19 from the cylindrical portion H of the cross bar l6, thus permitting the arms 9 and I4 to swin forwardly and dump the contents of the bucket 8, as indicated in dotted lines in Figure 2 of the drawings.

An A frame 25 is carried by and extends .upwardly from each of the aforesaid supporting arms or brackets I and 2 and each of these frames carries a pulley 21, over which a cable 28 works. The cables 28 wind on drums (not shown) driven by the power take-off and are controlled by brakes on the drums. Th bucket is lowered by releasing the brakes of the drums, as will be evident.

Another important feature of our invention is the safety device, comprising the chain 29, which is connected at one end to the clutch pedal or power take-off lever 30 and at its opposite end to the downwardly extending arm 3| of the bracket 32, fastened to the rear end of the supporting arm or bracket 2. This chain releases the clutch pedal 30 when the bucket 8 reaches a certain pre-determined height, thus automatically preventing the bucket from going over.

In the modified form of our invention illustrated in Figures 8 and 9 of the drawings, a more simplified form of trip for the bucket 8 is provided, by making the longitudinal members i2, each in two telescopic sections 33 and 34, respectively, with the front ends of the forward sections 33 loosely connected to the upper ends of the vertically disposed arms 9 and the rear ends of the rear sections 34 loosely connected, as at 35, to the ears 36, formed at the upper edges of the brackets 24. The bucket 8 is held in normal position by the latches 31, carried by opposite ends of the horizontal transverse rock shaft 38, journaled in th ears 39 extending upwardly from the front ends of the rear telescopic sections 34. The heads 40 of the latches 31 normally engage the ears or lugs 4| formed on the front telescopic sections 33,

but may be released or dis-engaged therefrom by exertinga pull on the cord or rope 42, which allows the rods 43 of the front telescopic sections to slide forward and dump the contents of the of the tractor. A shaft extends through each cylinder and is provided at its lower end with a.

plunger which is operated by the hydraulic pump on the tractor.

While our device is primarily designed for loading manure, it may also be used to advantage in loading dirt or other material.

From the foregoing description taken in connection with the drawings, it is thought that the construction, operation and advantages of our invention will be readily understood, without requiring a more extended explanation.

Various changes in the form, proportions and minor details of construction may be resorted to without departing from the principles or sacrificing any of the advantages of our invention, as defined in the appended claims.

Having described our invention, what we claim as new and desire to secure by Letters Patent, is:

In a manure loader of the character specified, the combination with the side bars of a tractor frame, of bearin pins carried by said side bars, longitudinal supporting brackets hingedly connected at their rear ends to said bearing pins, means for removably securing said bearing pins in place, a bucket carried by the front ends of said supporting brackets, a cantilever mechanism comprising vertically disposed arms rigidly secured to opposite ends of the bucket, other vertica1 rear arms pivoted intermediate their ends to said bearing pins and longitudinal rods disposed above and in spaced relation with said supporting brackets and loosely connected at opposite ends to the upper ends of the first and second mentioned arms, respectively, a horizontal cross bar for connecting the lower ends of the pivoted rear arms of the cantilever mechanism, a trip lever pivoted to the tractor frame and formed with a rightangularly bent lower end, an adjustable latch carried by the lower end of said trip lever and having a recessed head engaging said horizontal cross bar, a cable connected to the upper end of the trip lever, a safety chain connected to the rear end of one of the longitudinal supporting brackets and adapted to release the clutch pedal when the bucket reaches a certain pre-determined height, and power driven means for lifting the loader.

DON O. NEVILLE. ALFRED L. PLAUTZ.

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