US234588A - Geoege w - Google Patents

Description

(NoModeL) G. W, LARAWAY 8; P. 0. ROCKWELL. Ghaun Pump Bucket No. 234,588, Patented NOV. 16,1880.

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GEORGE WV. LARAVVAY AND FRED O. ROOKNELL, OF HARTFORD, CONN.

CHAIN-PUMP BUCKET.

SPECIFICATION formingpart of Letters Patent No. 234,588, dated November 16, 1880.

Application filed July 27, 1880.

To all whom it may concern:

Be it known that we, GEORGE W. LARAWAY and FRED G. ROCKWELL, of Hartford, in the county of Hartford and State of Connecticut, have invented a certain new and useful Improvement in Connection for Securing Buckets to their Chains, of which the following is a description, reference being had to the accompanying drawings, where- Figure l is a side view of a bucket embodying our said improvement. Fig. 2 is a view of the same in central vertical section, on the plane a; a".

Our invention relates to that class of chainpump buckets and their connections in which each bucket is made of rubber or other elastic material, and perforated vertically for the pas sage of its connecting-link, such construction being shown in Patents of the United States Nos. 167,286, 206,854, and 218,746; and our invention consists solely in the means for connecting such buckets to the links of their lifting-chains-to wit, a series of pins passing through central transverse openings in the straight portions of the links, in combination with washers interposed between the buckets and said pins, by which construction each bucket. may be compressed or expanded to increase or reduce its diameter, and be held in its adjusted position to conform to the diameter of the pump-barrel, the bucket being also capable of ready removal when its upper side becomes worn and it requires to be inverted, or to substitute a new one therefor when past repair, by simply withdrawing the confiningpins and pressing out the hooked end of the loop of the link, all of the buckets being reversed without removal by changing the direction of the chain, this latter feature being common to all buckets of this class.

The letter (t denotes the link, a metal bar bearing a loop at each end for attachment to the links next insuccession.

The bucket is a hollow rubber globe, b, pierced with a central hole, whereby to be hung upon the link, and peripherally provided with a flange, 0, having converging sides, so as to come to an edge, or nearly to an edge,

(No model.)

we preferring that the edge, so to call it, should have a face about one-sixteenth of an inch wide. The rubber globe-bucket rests underneath on a cross-pin, d, traversing the diameter of the link, with a washer, e, interposed. A similar cross-pin, d, confines the bucket on the top with a similar interposed washer, c

The link-bar is pierced with a number of radial or diametric holes, f, for either or both the cross-pins d (1, so that when it becomes desirable to enlarge the diameter of the whole bucket, particularly the peripheral flange, the globe of rubber may be pressed together vertically for that purpose, and held so pressed by placing one or both the cross-pins in appropriate ones of the holesf.

We have called the bucket a globe in form. A form approaching the globular will answer but we prefer a globe.

lVe have spoken ofa single peripheralflange. More than one may be used.

The eripheral flange is provided with a drip-hole, g, and the body of the globe is also provided with a nearly central drip hole or holes, h h.

We have said the material of the bucket is rubber. Any other suitableexpansible material will answer.

The novelty in this rubber bucket consists mainly in the shape and form thereof, the body being spherical and the annular flange being V-shaped, (in section,) so that the upper and lower halves of the bucket are the same in shape and form, to the end that when the bucket has ridden on the chain in one position till its efficiency is destroyed or greatly impaired the bucket may be placed on the chain the other half uppermost, compressed to fill the tube, and operated in that position, thus practically almost, if not quite, doubling the life and usefulness of the bucket, as compared with those buckets designed to' have only one position on the chain.

As before stated, we are aware that chainpumps having rubber buckets have been employed; and in the present application we lay no claim to anything pertaining to the construction of such buckets, but only to our improved means of securing and adjusting the elastic buckets b of a chain-pump, substantially as set forth.

same to their lifting-chains. GEORGE \V. LARAWAY.

We claim as our improvement- The links a, with their perforations f, pins (1 d, and washers 0 e, in combination with and for adjusting and securing in place the FRED O. ROCKWELL. Witnesses:

WM. E. SIMONDS, R. F. GAYLORD.

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