US1932175A

US1932175A - Scraper bucket

Info

Publication number: US1932175A
Application number: US366335A
Authority: US
Inventors: Leslie P Green
Original assignee: Individual
Current assignee: Individual
Priority date: 1929-05-27
Filing date: 1929-05-27
Publication date: 1933-10-24
Anticipated expiration: 1950-10-24

Description

L. P.' GREEN SGRAPER BUCKET Oct. 24, 1933,

Filed May` 2v. 1929 ULlHUH Leslie-P Green.

Patented Oct. 24, 1933 Leslie P. Green, Chicago, Ill., assignor to Wood, Chicago, Ill.

James Application May 27, 1929. Serial No. 366,335

5 Claims.

The invention relates to scraper buckets and has for' its primary object the provision of an improved bucket of this character, so constructed and arranged as to facilitate the readydischarge of the excavated material.

Another robject of the invention is the provision of an improved bucket of the character indicated, having special provisions permitting of the ready repair and replacement of the parts most liable to wear and injury in use.

Another object of the invention is the provision of a bucket of the character indicated, especially adapted for use as a drag line scraper bucket.

Other objects will appear hereinafter.

a The invention consists in the combinations and arrangements of parts hereinafter described and claimed.

The invention will be best understood by reference to the accompanying drawing forming part of the specification and in which- Fig. 1 is a perspective view of a bucket in the form of a scraper bucket and embodying the invention;

Fig. 2, an enlarged front elevation of thesame with portions shown in section; and

Fig. 3, an enlarged `transverse section taken substantially on the plane of the line 3-3 of Fig. 1.

The embodiment of the invention illustrated in the drawing isa drag line scraper bucket and comprises substantially vertical side walls 10 extending divergently forward from the ends of a short substantially vertical rear wall 11.-' Substantially vertical front walls 12 extend forwardi 1y and substantially parallel to each other from the forward edges of the side walls 10, as shown. The rear wall 11, the side walls 10 and the front walls 12 have outwardly extending perforated

securing flanges

13, 14 and 15, respectively, at their lower edges.

Associated with the rear wall 11 is a forwardly and downwardly inclined digging blade or tail member 16, and somewhat similar forwardly and inwardly inclined digging blades 17 are arranged at the lower edges of the divergent side walls 10. The

digging blades

16 and 17 are provided at their upper edges with outwardly extending perforated

securing flanges

18 and 19, respectively, detachably secured respectively to the

flanges

13 and 14 by means of bolts 20. Side extensions or cutter members 21 at the ends of the rear digging blade 16 overlap the rear ends of the side digging blades 17 and are secured thereto by countersunk 1 rivets 22, as shown.

Substantially vertical lower extensions 23 are provided at the lower edges of the front walls 12,' being provided at their upper edges with outwardly extending perforated securing flanges 24 detachably secured to flanges 15 by bolts 20. At their rear edges, the extensions 23 are overlapped with the forward edges of the blades 17 and secured thereto by means -of countersunk bolts 25, as shown.

Draft plates 26 are secured, as shown, to the forward edges of the front walls 12-23 and serve as means for attachment of a bridle 2'7 for connection with the usual drag line for moving the scraper bucketforwardly in the usual way.

. Likewise at the rear, a clevis 28 is provided for attachment to a rear drag line 29, by means of which the bucket is movedrearwardly in normal operations.

In the embodimentl of the invention illustrated, a transverse channel iron 30 is secured across the upperforward edges of the front walls 12, being secured thereto by means of vertical angle irons-31` at each side and stiffened by diagonal braces 32. The channel iron 30 also carries vertically arranged angle irons or brackets 33 to which is attached a frame work 34 which is also securedy at the rearfto vertical angle irons or brackets 35. l v

In using the scraper bucket disclosed, kthe same is simply dragged forward' and back over the surface from which it is desired toremove ma terial, thebucket filling by the normal digging' or scraping action of the digging blades 16v and 17 4and discharging its load Whenits motion is reversedfas is usual in scraper buckets of the character indicated. By means .of the arrangement disclosed, the interior surface of the bucket4` is practically smooth and uninterrupted so that the excavated material may readily discharge therefrom by the action of gravity thereon.

In case of wear or injury to thedigging elements, the same may be readily detached and replaced at the field' of operations and without the need of special shop appliances.

The outwardly extending securing flanges form a stiifening rib around the outside of the bucket, thus greatly increasing its resistance against collapse. It is also to be noted that the said outwardly extending securing flanges furnish and provide horizontal lower surfaces of considerable extent at the tops of the digging portions of the scraper which contact with the surface of the ground when the digging means has penetrated to its full extent. When such penetration occurs, the lower surfaces of the securing I and heavy loads.

portion of the bucket may be formed o r cast in one integral piece or member, but in such case, the advantage of partial or piecemeal replacement is lost. The specific form and arrangementY of parts isa simple and effective one for the purpose. Y

preferred form of construction for carrying my invention into effect, this is capable of variation* and modification without departing Afrom the spirit of the invention. I therefore do not wish to be limited to the precise details disclosedfbut desire to avail myself of 'such variationsand modications as fall within the scope ofthe Yappended claims.

I claim: i I

1. A scraper bucket provided. with a substantially verticall rear wall having 'an outwardly extending perforated securing flange at its lower edge; substantially Vertical sidewalls extending forwardly and divergently from `the ends of said rear wall and having outwardly extending perforated securing iianges at their lower edges; substantially vertical front walls 'extending forwardly and substantially parallel to each other from the forward edges of said Vside .Walls and provided at .their lower edges with outwardly extending perforated securing flanges; a forwardly and downwardly inclined digging blade at the lower edge of said rear wall and provided at its upper edge with an outwardly extending perforated securing flange; vinwardly inclined dig'- ging blades at the lower .ledgesof said divergent sidewalls 'and provided at their upper .edges with outwardly extending perforated securing'iianges; substantially vertical extensions at vvthe lower edges of said frontawalls and having outwardly extending4 perforated securing flanges at .their upper edges; and means detachablyV securing said flanges together. i v.

.2. A scraper bucket provided with a substan. tially .vertical .rear wall having an outwardly extending perforated securing fnangefat its lower edge; substantially vertical sidewalls extending forwardly and divergently from the ends of said rear wall and having outwardlyy extending perforated securing yflanges at their lower edges; substantiallyvertical front wallsr extending forwardly and substantially parallel to each other from the forward edges of said side walls; a forwardly and downwardly inclined digging blade at the lower edge of said rear wall and provided at its upper edge with an outwardly extending perforated securing flange; inwardly inclined digging blades at the lower edges of said divergent side walls and provided at their upper edges with .outwardly extending perforated securing flanges; substantially vertical extensions at the lower edges of said front walls; and means detachably securing said anges together.

3. A scraper bucket provided with a substantially vertical rear wall having an outwardly ex 4tending perforated securing flange at its lower While I have illustrated and described theedgeysubstantially vertical side walls extending vforwardly and divergently from the ends of said rear wall and having outwardly extending perforated securing flanges at their lower edges; substantially vertical front walls extending forwardly fand substantially parallel .toeach `other from the Aforward-edges of said side walls; .a forwardly`r and downwardly inclined digging .blade at the lower edge of said rear wallrandprovided at its upper edge with an-outwardlyextending perforated securing flange; inwardly inclined digging; blades at the lower edges of said divergent side walls and provided atrtheir. upper edges with outwardly extending..perforated securing flanges; substantially Vertical extensions detachably secured `at the lower edges of. said'front walls; and means detachably securingsaid fianges together.V .Y

4. A scraper of the class described comprising bottom sidesections, a tail end member having a transverse section-and diverging side sections, said side sections being connected at their frontends with the rear ends of the bottom side sec. tions; cutter members fastened to the frontends of said 'bottom side sections and arranged in parallel relation and top vsections fastenedto said bottom side sections, tail member and cutter members. x

5. A scraper of the class described comprising inwardly inclined diverging bottom side sections, a tail end member having inwardly inclined trans-Y verse and diverging-side sections, said side`sec tions -beingfv connected .at .their frontzends` with the rear ends of the bottom side sections, top

sections fastened to said bottomside sections 'ifi'.

and saidtail member and 'having' parallel front end portions, and cutter members fastened'to the front ends of thebottcm side sections'and to the lower edges! of said parallelfront portions onthe top sections. i. jY

n i Y LESLIE P. GREEN.

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