US290649A - Bucket - Google Patents

Description

(No'ModeL) G. E. NEWELL & L. G. LADD.

HOISTING BUCKET.

N0. 29,0 64-9. Patented Dec. 1-8, 1883.

JNVE TUR llwrran STATES PATENT Orrron.

. GEORGE E. NEWVELL AND LOREN G. LADD, OF PAVTUQKET, RHODE ISLAND, ASSIGNORS TO SMITH, GRANI & 00., OF SAME PLACE.

HOlST lNG-BUCKET.

SPECIFICATION forming part of Letters F atent No. 290,649, dated December 18, 1883,

Application filed September 20, 1883. (No model.)

I0 all whom it may concern.- Be it known that we, GEORGE E. NEWELL and LOREN G. LADD, of Pawtucket, in the county of Providence and State of Rhode Island, have invented an Improvement in Hoisting-Buckets, of which the following is a specification.

The object of our invention is to provide a powerful self-loading hoisting-bucket for unloading coal from the holds of vessels; and it consists in the improved construction of the several parts, whereby the bucket is adapted for raising upward through the hatch of ayessel without liability of catching.

Figure l is a perspective view of our improved self-loading bucket. Figs. 2, 3, 4, 5, and 6 are detail views illustrating the parts.

In the accompanying drawings, A A are the two jaws of the bucket, which are pivoted to each other by means of a bar, B, the opposite ends of which enter the pivot-holes made in the pivot-pieces O G, placed at each end of the bucket.

Upon the bar B, between the pivot-pieces O O, is placed the hollow drum D, in the middle of which is secured the sheave E. The rods F F F F are pivoted atthe corners of the bucket by means of the pivot-pins a, and the rods F F, as they rise from the corners of the bucket, converge toward a point over the center of the bucket where the opposite ends of the rods are likewise pivoted by means of a bolt, G, which extends through the eyes I), made at or near the ends of the rods. The rods F are extended for a short distance beyond the pivot-eye b, thus forming the opposite arms d d, each provided with a perforation, 0, adapted to receive an arbor, m, upon which, between the arms d d, is placed the loose friction-sheave H.

Between the upper ends of the rods F F, upon the pivot-bolt G, is placed the flat link 6, to which is secured the chain I.

To the periphery of the sheave E are attachedthe U -formed guides f, adapted to guide the hoisting-chain J upon the periphery of the sheave, the chain J being attached to the sheave by means of the staple or eye At the opposite ends of the pivot-bolt G are secured the flat links h h, from which depend the chains K K, adapted to wind upon the drum D at opposite sides of the sheave E, as

shown in Fig. 1, and the chains K K are secured to the drum D by means of the eyes it. The rods F F, by converging to a point above the center of the bucket, serve to guide the corners of the bucket clear of the sides of the hatch; and in order to prevent the corners of the bucket from cutting into the wood-work, we provide the rods F F with a bend, j, near their lower ends, as shown in Figs. 1 and 2, thus preventing all possibility of the corners catching at the hatch in rising from the hold of the vessel; and in order to likewise prevent the pivot-joint of the bucket-jaws from catching at the hatch, we either extend one of the pivotpieces, O, to form an inwardly-directed protecting-bar, L, or attach a separate bar, L, to the opposite ends of the bucket for this purpose, and by means of the oblique inwardly-d irected bars extending from the pivotjoints toward a point above the middle of the bucket, and beyond the plane of the rods F F, the pivot-joint will be prevented from catching at the hatch in the upward passage of the loaded bucket from the hold.

Vhenever the chain I is firmly held and the chain J slackened, the jaws of the bucket will be thrown open, and by hoisting on the chain J the resulting rotation of the sheave E and drum D will cause a powerful closing of the jaws of the bucket upon the loose coal in the hold by the winding of the chains K K upon the drum, and the bucket may then be hoisted through the hatch by the simultaneous movement of the chains I and J, as usual in operating such buckets.

WVe claim as our invention- 1. In a hoisting-bucket, the combination of a hoisting-chain connected to the four corners of the bucket by means of upwardly-converging pivoted rods, and a hoisting-chain operating by means of the sheave and drum, and drum-chains to open and close the bucket, with the opposite inwardly-projecting guidebars adapted to prevent the pivot-joint of the bucket from catching under the sides of the hatch, substantially as described.

2. In a hoisting-bucket, the combination of the pivoted bucket-jaws with the upwardlyconverging rods pivoted within the boundaryline of the corners of the bucket, and provided with an outward bend at near the pivotjoint, whereby the corners of the bucket are prevented from catching at the hatch upon the the rods F F being provided with the arms 10 d d, friction-sheave H, and chains I, J, K, and K, all arranged and operating substanascending movement of the bucket, substantialiy as described.

tiztlly as described. GEO. E. NFBVELL.

3. In a hoistlng-bucket, the combination of LOREN G. LADD.

the pivoted bucket-jaws A A, inwardly-projeeting guide-bars L L pivot-bar B, drum D,

sheave E, converging pivoted rods F F F F,

'Witn esses:

EDWARD S. BOWEN. XVALDO E. GUSHING.

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