US1876288A - Hoisting bucket - Google Patents

Description

Sept. 6, 1932. .1. L. GOOD ET AL HOISTING BUCKET Filed June 26. 1950 5 Sheets-Sheet l SepLG, 1932. J. L. GOOD ETAL HOISTING BUCKET Filed June 26, 1950 3 Sheets-Sheet 2 m d i #2 65% W? iv Z 4 J. L. GOOD ET AL HOISTING BUCKET Sept. 6, 1932.

Filed June 26. 1930 3 Sheets-Sheet 3 jive/Z5016, @605 66005 Gbcvi 'Z/diffl 6260/};

Wrzeaa Patented Sept. 6, 1932 gran srar- 3 PATENT oF IcE moon LEWIS Goon AND WALTER E; CLI K, or ELKHARRINDIANA, AssIeNoRs so b THE GODFREY couvEYoR 00., or ELKHART, INDIANA, A CORPORATION F INDIANA;

mi ri s Beeline r iAppl 'ication filed J'une 26, 1930. Serial No. 463,872.

Our invention relates to hoisting buckets and has particular reference to buckets which are adapted to be filled from the top while in closed position, and' dum ped' from the bottom, the dumping being accomplished by separation of the sections of the bucket.

T he primary object of our invention is the provision of abucket of'the' character described, which is comprised of two open sided sections and which, when suspended from the bail, are self-closing and remain in closed'position, and are du mped by unlatching the sections at'the bottom, the lading, because of the angular position of thebottom s of the sections, forcing the sections apartand allowing the lading to pass out of the bucket;

Another object of ourinvention is the prok vision of a bucket which is adapted for us'e Jrimaril in the handlin of, coal and in 1 y D 7 which it-is desirable to prevent'breakage of the coal in as large degree as possible.

Buckets'of the character of 'our invention are adapted primarily for use in handling n coal from loading pits to storagebins, 's torage piles and the llk'e. The filling 1s accomplished from the top of the bucketand the dumping is accomplished by lowering the bucket into the pile of coalwh'ereby; the sec:-

- tions are unlatched andbthe weight of'the material forcing the sections apart, agrea'ter portion of the lading is discharged." -l.hereupon the bucket being lifted, the balance of the lading flows from thesections. The ,pile of coal is usually formed in conical formation so that the coal flows from thebucket gently along the sides of the cone'sha ped pilegand is not deposited on the pile with any degree of force nor dropped any considerable distance, thereby eliminating breakage to verym'at erial extent.

These and other will be more fully and'better understood by reference to the accornpanying sheets of drawings,in which+- r j iig ,Figure 1 is afsi'de elevational view of a bucket embodying our invention infopen posi tion- 1 Figure 2 is a sideelevational view of; the

- bucket il'lustrated'in Figural, in closed' position;

, upper ends.

obj ects of our invention Figure 3 is anendelevational view ofthe bucket; and

Figure 4 is a fragmentary sectional view on lines 44 of Figure 2. l 7

Referring now specifically to the drawings '55 and in which'like reference characters refer to like parts throughout, the bucket composed of two sections'l0 and 11 is shown, each ofthese sections being rectangular in shape and open along their adjacentsides and at their The section 10 alon its marginal edge adjacent the section 11, has a strip 12 secured to the side wall of the bucket by means of rivets 13, this strip 12projecting beyon'd'the edge of the section 10 of the bucket '05 so that it overlaps the edgesof the adjacent section 11, as shown in Figure 4 Stri s of this character are secured on each side of'the bucket and havefa pair of guide membersl i and 1'5 mounted thereon which are adap ed to to'guide" therollers, hereinafter described,

onto the skids of aloading pit, such as illustrated and described in our copending application Serial No. 468,871, filed June 26, 1930.

Reinforcing members 16 are provided near r the top oft'he' section 10, with' an end mem ber 17 being provided, all of these members being secured to the'walls of-the section 10 by rivets or the like, in any approved manner, On each side of the section 10 near the top'is a diagonally extending member 18 which serves to reinforce the top portion of the section '10 and to prevent bending and distor= tion of the rep of the bucket. I f

A transversely extending shaft 19 is provided which passes through suitable openings formed in the ends of the members 16 and the side walls of 'the meinber 10, the shaft 19 forming a'pintle portion of a hinge about which the sections of the bucket rotate; On thebuter ends of the shaft 19 is a pair of rollers 20 and 21 respectively, which are adapted to engage upon the skids referred to in our'copending application identified above; A bottom 22 is provided in the section 10,- this bottom being placed in the section at an angle of approximately degrees to the perpendicular and-sloping towardsthe' open side of theseotion 10. i

' The section 11' has a pair of edge stri s 23 v r secured along its marginal edges adjacent to the section 10 by means of rivets 24, this strip terminating short of the edge of the side walls of the member 11 and being adapted to abut against the strips 12 mounted on each side of the section 10 so that the strip 12 overlaps the meeting point of the two sections, thereby forming a tight joint between the two sections of the bucket. A pair of transversely extending top strips 25 are provided, these top stripsprojecting beyond the edge of the section 10 and having holes formed therein through which the shaft 19 passes, thereby hinging these two sections 10 and 11 together. Diagonally placed top strips 26 are also provided on each side of the section 11 near the top thereof, which serve to reinforce the top portion of the section 11, with a transversely extending end reinforcing strip 27 being, provided to strengthen the section 11 and prevent distortion and bending of this section. A false bottom 28 is provided in the section 11, this bottom being angularly disposed and sloping towards the open side of the section 11 at the same angle as the bottom 22 of the section 10.

Secured to the bottom 22 of the section 10 is a latch member designated as a whole as 29, having a foot portion 30, the latch member being pivotally mounted to the bottom of the section 10 and being normally .held in position to engage in a recess 31 in a cooperating latch member 32, which is secured to the bottom of the section 11. The portion 80 of the latch member 29 operates as a counterweight normally holding the latch member 29 in engagement with its cooperating latch member 32. The latch member is disengaged by lowering the bucket into an obstruction, such as a coal pile or the like, which engages the member 30 turning the latch member about its center and releasing the section 11 of the bucket from the latch. The side walls of the sections 10 and 11 and members 18 and 26 respectively, at the points 33 and 34 respectively, are angularly disposed with respect to a vertical line, these surfaces being adapted to abut against each other when the bucket is in open position and form a limit stop to prevent the sections of the bucket from opening too great a distance so that the bucket will not close. I

A bail for the bucket is provided which 1 comprises a transversely eXtendingT-shaped member 35 to which a cable block is attached by means of a fastening member passing through an opening 36 in the said bail, with the usual hoisting cable passing through this block. At each end of the bail is mounted an inverted V-shaped member 87, 37 to which chains are attached which are connected respectively to each of the sections of the bucket. The members 37, 37 are secured to the member 35 in any approved manner and have clevises 88, 38 secured thereto to which a plurality of chains 41 are secured. The chains therefore are mounted in pairs, one pair to each side of the bucket. On each side of the section 10 is a pair of plates 39 which are secured to the side walls of the section 10 by rivets or the like, and which have a pair of bolts 40 extending therethrough, with reinforcing members 40a being provided on the inner sides of the walls of the member 10, these members having their ends bent outward, with the bolts 40 passing therethrough, the bolts 40 passing through the lower links of one of the chains 41, the other ends of which are connected to one of the clevises 38. The section 11 has a pair of similar reinforcing members 42 secured to the outsides of the section, with inner reinforcing members 43 being provided and having bolts 44 extending therethrough, to which one set of the chains 41 are secured, these chains being secured to the clevises 38 so that the bucket is suspended from the member 35.

The position of location of the bolts 40 and 44in the side walls of the sections 10 and 11 is important and essential to the proper operation of our bucket. The positioning of these members, together with the location of the shaft or pintle 19, causes the bucket, when suspended from the bail 35, to normally close automatically because the inward pull or force of the chains 41 is around the center formed by the pintle 19 which, combined with the weight of the bucket at the bottom, raises the center of the pintle 19 and causes the bucket, when in open position, to be pulled together, where the latch 29 holds the sections in closed position. This condition would, of course, vary with difierent sized buckets and within certain limits of buckets made of difierent gauges or-weights of metal.

We have found that in a bucket such as the one illustrated, having a capacity of thirty cubic feet, and having a height of 42, a width at the top of 42", a width at the b0ttom of 34", a length at the top of 44 and at the bottom of 84", the center of the bolts should be located 18 inches from the tops of the sections 10 and 11 respectively, and at a point 5 inches from the outside walis of these members to the centers of the bolts 40 and 44 respectively. Dimensions, for buckets of other capacity will, of course, vary,

but the proportion of dimensions will remain the same whether for larger or smaller sizes.

A pair of chain spreader rods 45, 45 are also provided having threaded outer ends, and adapted to pass through the links of each pair of the chains on each side of the bucket. Inside nuts 46, 46 are provided which abut against inside washers 47 47 mounted on the rods 45, 45, with outside nuts 48, 48 and outs sembly of the sections of the buckets will be very readily understood, and in operation the bucket is normally suspended from the usual hoisting cables, drums, and the like, and is ordinarily lowered into a pit where it is filled with lading from the top. The sections of the bucket will remain in closed position while the bucket is empty and will also remain closed even though there is a considerable quantity of lading in the bucket. lVhen it is desired to discharge the material, the bucket is lowered until the foot portion of the latch member 29 comes into contact with some obstruction, whereupon the latch member is opened and the weight of the material forcing the sides of the bucket apart will flow from between the two sections 01": the bucket, even though the bucket be wholly suspended from the bail 35. After the lading' is discharged the hoisting of the bucket allows the remaining quantity of material to flow from between the sections and as soon as the bucket is suspended the sections automatically come together and close because of the force exerted upon the sections of the bucket by the location of the bails, as hereinabove described.

If during the operation of the bucket the lading is not completely discharged, or if discharged too slowly, before the bucket is closed, the outer nuts 48, 48 on the spreader rods are loosened and the inner nuts 46, 46 turned outward, thereby changing the angle of pull of the chains upon the pins 40 and 44. If the bucket closes too slowly, the above operation will be reversed. In adjusting the nuts on the spreader rods, they should be positioned in such manner-that the vertical axis of the bucket is aligned with the hoisting cable, thereby insuring that the load on each of the chains is equal. The nuts on the spreader rods should also be kept tight to prevent an unequal distribution of the load on the chains 41.

While we have described more or less pre- "5. cisely the details of construction, we do not wish to be understood as limiting ourselves thereto, as we contemplatechanges in form and the proportion of parts and the substitution of equivalents ascircumstances may suggest or render expedient without departing from the spirit or scope of our invention.

We claim:

1. A bucket comprising two open-sided sec- '3 tions, hinges connecting the said sections betions, the said bails being connected to the sideportions of each of said sections whereby the said bucket is closed by the pulling force of the said bail.

2. A bucket comprising two open-sided sections,.hinges connecting the said sections below theirjtops, bottoms. in each of said sections inclined towards the-open sides of said sections at'an angle of approximately degrees, a latch, and bails for each of said sections, the said bails being connected to the side portions of each of said sections whereby the said sections are closed by the pulling force of said hail, the sides of the said sections being angularly disposed and co-acting to limitthe extent of opening of the said sections. a

3. A bucket comprising two open-sided sections, hinges connecting the said sections below their tops, inclined bottoms in eachof said sections extending towards the open sides thereof, a latch adapted to open when the bucket rests upon a support, and flexible bails for each of said sections, the said bails being connected to the side portions of each of said sections whereby the said sections are closed by the pulling force of the said bail. 4. Abucket comprising two open-sided sec tions, hinges connecting the said sections below their tops, inclined bottoms in-each of said sections extending towards the open sides thereof, a latch, and bails for each of said sections, the said bails being connected to the side portions of each of said sections whereby the said sections are closed by the pulling force of said bail, the said latch having a foot portion adapted to contact with the dumped material whereby the said latch is disengaged. i .5. Abuck'etcomprising two open-sided sections, hinges connecting the said sections adjacent their tops, inclined bottoms in each of said sections extending towards-the open sides thereof, a latch, and bails for each of saidsections, the said bails being connected to the side portions of each of said sections whereby the said sectionsv are closed by the pulling force of said bail, the said bails being secured to the side portions at a point approximately three-sevenths of the distance from the tops or" said sections and at a point one-fourth of the distance from the outer edge of the sides of each of the sections.

' 6. A bucket comprising two open-sided sections, hinges connecting the said sections adjacent their tops, inclined bottoms in each of said sections extending towards the open sides thereof, a latch, and bails for each of said sections, the said bails being connected whereby the said sections are closed by the pulling force of said hail, the said bails being positioned eighteen inches from the tops of a bucket forty-two inches in height and five inches from the outer side or" a bucket having sections twenty-one inches in width, with other sizes in proportion.

7. A bucket comprising two sections, hinges connecting the said sections, a latch, flexible 5 bails connected to each of said sections, and means whereby the direction of pull of the said bails on the said sections is varied.

8. A bncket comprising two sections, hinges connecting the said sections, a latch, flexible bails connected to each of said sections, and spreaders carried by said bails.

9. A bucket comprising two sections, hinges connecting the said sections, a latch, flexible bails connected to each of said sections, and adjustable means connecting the pair of bails on each side of the bucket.

10. A bucket comprising two sections, hinges connecting the said sections, a latch, flexible bails connected to each of said sectiens, spreader rods connected to the pair of bails on each side of the bucket, and means on said spreader rods in engagement with the bails whereby the distance between the bails may be Varied. 11. A bucket comprising in combination, a pair of open sided. sections, hinges connecting said sections, a latch, and flexible bails connected to the sides of each of said sections below the hinges, the said sections being hinged together below their top edges.

12. A bucket comprising in combination, a pair of open sided sections, hinges below the tops of said sections connecting the said sections, a latch, flexible bails secured to the sides of each of said sections below the hinges and inward from the outer edges of the said sections.

13. A bucket comprising in combination, a pair of open sided sections, hinges connect- J ing said sections, a latch, and flexible bails connected to the sides of each of said sections below the'hinges whereby the said bucket is closed by a pulling force of the bails exerted upon said sections the fulcrum point of the hinges being located below the tops of the sections.

14. A bucket comprising in combination, a pair of open sided sections, hinges below the tops of said sections connecting the said sections, a latch, and flexible bails secured to the sides of each of said sections below the hinges and inward from the outer edges of the said sections, the said flexible bails exerting pulling force on said sections in a plurality of directions.

Signed at Elkhart, Indiana, this 20th day of June, 1930.

JACOB LEWIS GOOD. WALTER E. CLICK.

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