US1292852A - Discharge of cargo in bulk from barges or vessels and the delivery thereof. - Google Patents

Description

A. MUSKER.

DISCHARGE 0F CARGO IN BULK FROM BARGES 0R VESSELS AND THE DELIV ERY THEREOF.

APPLICATION FILED AUG.Z6. l9l8- 1,292,852. v Patented Jan. 28, 1919.

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A. MUSKER. DISCHARGE 0F CARGO IN BULK FROM BARGES OR VESSELS AND THE DELIVERY THEREOF. APPLICATION FILED AUG.26. 191a.

1,292,852. Patented Jan. 28, 1919.

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A. MUSKER.

DISCHARGE 0F CARGO IN BULK FROM BARGES 0R VESSELS AND THE DELIVERY THEREOF.

APPLICATION FILED AUG.26. 1918. 2 1,292,852. Patented Jan. 28,1919.

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A. MUSKEH.

DISCHARGE 0F CARGO IN BULK FROM BARGES 0R VESSELS AND THE DELIVERY THEREOF APPLICATION FILED AUG.26. I918.

1 ,292,852 Patented Jan. 28, 1919.

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ARTHUR MUSKER, OF LONDON, ENGLAND.

DISCHARGE 0F CARGO IN BULK FROM BARGES 0R VESSELS AND THE DELIVERY THEREOF.

Specification of Letters Patent.

Patented Jan. 28, 1919.

Application filed August 26, 1918. Serial No. 251,546.

To all whom it may concern:

Be it known that I, ARTHUR MUSKER, a subject of the King of England, residing at London, in the county of Middlesex, England, have invented new and useful Improvements in or Connected With the Discharge of Cargo in Bulk from Barges or Vessels and the Delivery Thereof, of which the following is a specification.

This invention has reference to systems of the discharging or removal of coal, ore, grain or like cargo in bulk from barges or vessels, and the elevation and delivery thereof.

In the specification of my previous application for patent filed Feb. 12th, 1918, Serial No. 216,808 a system of discharging coal, etc., in bulk from barges or vessels, and the elevation and delivery thereof is described, in which a floating pontoon carrying operating machinery is used, and placed when operating, end on to the barge or vessel to be discharged. While this system is very advantageous, in some cases 1t is desirable that the space longitudinally taken up alongside a ship, which is to receive the goods, and between it and a quay, should be as small as possible; and the present 1nvention has for one of its objects and effects to provide a system and arrangement by which the said space is rendered less than is necessary in operating according to the system of the aforesaid invention.

In the present system the space taken up,

is only that taken up by the barge or barges, which will be between the side of the ship to receive the coal or goods, and the quay, from which itthe ship-is breasted off.

The system of and means for discharging or removal of coal or grain or like cargo 1n bulk from the barges or vessels, and the elevation and delivery thereof, will be described with the aid of the accompanying drawings which illustrate same.

leys 6 being provided on the outer end of the boom, over which the operating chains or ropes 7 a bucket 3, pass. The boom is carried by a mast 20, to which it is pivoted at 17, and the part of the chain 7 which is paid on to and oil the operating machinery passes over the boom pulley 6, and pulleys l4 and 15 fixed on the upper end of the mast. The chain 7, together with the chain 8, after passing about pulleys 14 and 15, pass down to operating machinery which is preferably placed on the barge or pontoon 10*.

The pull rope 8 connected with the bucket is carried over similar pulleys 14, 15, so that by means of the operating engine or winding machinery, these ropes or chains 7 and 8, are operated, and the bucket moved over and into the barge or vessel 2 containing the material to be discharged, and to be delivered into the ship 1; and after the bucket is lowered into the barge 2, and has filled itself in the well known way, the gear or tackle is so operated that it will be moved up into a position vertically over the hopper 5* on the mast 20, which is vertically adjustable on it; and when the bucket is discharged into this hopper 5 the material is delivered by a chute 16 on it into a hatch 13 on the deck of the ship 1, after which it is again moved and lowered into the barge or vessel 2, and the operation is repeated.

In some cases two sets of tackle or buckets can be used, one on each side of the mast 20 and boom 4, which, as shown in Fig. 2, has a cross beam 4 at the outer end, so that by one set of machinery, two buckets can be operated on the one vessel 10*.

The boom 4 is adapted to be raised by tackle 18 and held up against the mast 20 when not required for operating.

This invention thus, while being one entailing relatively a low first cost of machinery, enables material to be, discharged from barges or vessels in different positions; and provides an elevator system in which the first cost of the elevator would be low.

Regarding the mast 20 of the pontoon 10*, it may be mounted on a pivot 19, in the form of a post fixed on the pontoon, upon which it can revolve, and thereby afi'ord greater range of movement of the grab bucket and delivery from the chutes 16 connected with the hoppers 5".

In discharging material from barges by the system above described, in which the operating machinery is carried on a pontoon, it is important that the movement of this pontoon in the water, when the bucket is being lifted, should be as small as possible; and movement in this respect is prevented by the movement of an engaging and freeing means between the machinery pontoon and the barge from which material is to be taken, which is adapted to temporarily hold the two together at this time, so that the pontoon will not rise or sink in the water except when the barge rises or sinks; but when the bucket is not being lifted, the said means would allow the barge to rise as the material was discharged. By this means greater stability would be given the pontoon as the buoyancy or weight of the barge would be added to it at the time when they are engaged.

One method of carrying this out, is illustrated in the Figs. 3 and 1, whereby the pull of the grab or gear when the grab is being raised, due to the angle of the pull or operating rope, such as exists in Fig. 3, is adapted to put the holding means into engagement, while when this pull is off, the buoyancy of the barge would affect disengagement of the means, and allow the barge to rise.

In this device, there is employed a rack 21 on a post 22 on the pontoon 10*, having \l-shaped teeth as shown, and a corresponding claw 23 or short rack with similar teeth, on the barge 2, so that when the barge and pontoon are pulled together in the manner described, the engaging or holding is effected, while when the barge is not being pulled to the pontoon, the claw or rack 23 frees itself, and so allows the barge to rise The claw 23 is suspended by a chain 8.

The rack 21 has outwardly projecting flanges 24 forming a channel within which lugs 25 on the claw 23 fit and work,which keep the two parts together within limits; and springs 26 are provided between the rack part 21, and the short rack or claw 23, and normally press them apart, so that the teeth of the two parts are free of one another when the barge is not pulled toward the pontoon.

A modification of the mode of operating tackle of the character referred to is illustrated in Fig. 6.

In this case, the pulling of the bucket or tub 3 from a position over the barge to be discharged to a place of delivery, say a hopper carried by the mast 20 on the vessel 10*, similarly as shown in Fig. 2, is effected by the bucket lifting or actuating rope or chain, or ropes or chains 7, which in the present case pass over a pulley block 11 carried from a slack endless movable rope or chain 8*, which passes over a pulley 6 on the boom 4, and a pulley 6* on the upper end of the mast 20. The ropes or chains 7 pass over pulleys 15 on the mast head to a winding and actuating machine 9, driven say by an electric motor.

The endless rope 8 may pass twice around the pulley 6", which would be fitted with a brake or clutch, so that by working this brake or clutch the wheel 6 can be held and released, and the pulley block 11 can. be held in any desired position in relation to the mast at the moments required.

In working, the pulley block 11 will be moved to a position so that the grab or bucket 3 when lowered comes onto the material in the barge or vessel 2; and when the bucket or grab is so lowered the closing and lifting ropes or chains 7 will be operated by the machinery 9, and the bucket is raised until it comes in contact with the block 11*, whereupon the wheel 6 or rope 8 is released by removing the brake or clutch from this wheel 6*, and under this condition, the block 11 will be moved upward and inward toward the mast laterally; and when it is to the required level and position over a hopper which it will be assumed is carried on the mast, the bucket would be discharged into the hopper similarly as above described with reference to Fig. 2. Then afterward to reload, the block 11 is run out and down (either by its own weight or special weight connected with it, or by mechanical power if desired) and when the desired position is reached, the wheel 6 is again locked by the clutch or brake, and the operation is repeated.

In the case of a tackle of the kind referred to being used to discharge barges, which would be end-on to the machinery barge 10*, instead of at the side as shown in Fig. 5, to allow for varying distances between the pulley equivalent to 6, which would be on the end of the barge farthest from the vessel 10*, and over which the chain or rope 8 would pass, this rope or chain 8 would be carried beyond the pulley 6 and passed over a sliding weighted pulley 30, which would be suiliciently heavy to hold the rope slightly slack when the weight of the grab with its material was being lifted.

This weight 30 would rise and fall as the distance between the pulleys varied.

While several modified modes of the system or method herein described of moving the bucket or the like transversely across the barge, as well as elevating and lowering it, have been described and shown; yet the invention may be carried out by different arrangements of such tackle and ropes, so long as the transverse movement by a pulling action, and the raising and lowering by the tackle and ropes, is effected.

What is claimed is 1. The combination with a ship to be loaded, of a barge or vessel disposed along side the ship in parallel relation thereto, a pontoon arranged alongside the ship in parallel relation thereto and between it and the barge, a mast carried by the pontoon, a boom secured to the mast and extending above and across the barge, a pulley carried by the free end of the boom, a second pulley secured to the upper end of the mast, a haul cable extending about the upper and lower pulleys and projecting downwardly beyond the lower pulley, a hoisting device secured to the lower end of the haul cable, a pull cable connected with the free end of the haul cable and passed about the upper pulley, a hopper carried by the upper portion of the mast to discharge material to the ship and arranged above the boom, and means between the pontoon and the barge to lock the two together, to prevent vertical movement of the pontoon in the water when the bucket is being raised.

2. The combination with a ship to be loaded, of a barge or vessel disposed alongside of the ship in parallel relation thereto, a pontoon arranged alongside the ship in parallel relation thereto and between it and the barge, a vertical mast carried by the pontoon, means to pivotally connect the mast and pontoon so that the mast can turn upon its longitudinal axis, a boom secured to the mast and extending above and across the barge, a pulley carried by the free end of the boom, a second pulley secured to the upper end of the mast, a haul cable extending about the upper and lower pulleys and projecting downwardly beyond the lower pulley, a grab bucket secured to the lower end of the haul cable, a pull cable connected with the free end of the haul cable and passed about the upper pulley, a hopper carried by the upper portion of the mast to discharge material into the ship and arranged above the boom, and means between the pontoon and the barge to lock the two together, to prevent Vertical movement of the pontoon in the water when the bucket is being raised.

3. The combination with a ship to be loaded, of a pontoon arranged alongside of the ship and adapted to carry hoisting apparatus to load the ship, a barge arranged alongside the pontoon, means to lock the barge and pontoon together when they are swung toward each other including a rack secured to the pontoon and having teeth, a slide mounted to move longitudinally and laterally upon the rack and having teeth to engage with the first named teeth, spring means to move the slide laterally in an outward direction, and a claw carried by the slide and engaging over the ship.

l. The combination with a ship to be loaded, of a barge disposed alongside of the ship in parallel relation thereto, a pontoon arranged alongside the ship in parallel relation thereto and between it and the barge, a derrick and tackle disposed between the ship and'the barge including a hauling cable and hoisting mechanism, a bucket attached to the hauling cable, and means to prevent vertical movement of the pontoon in the water when the bucket is being lifted.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

ARTHUR MUSKER. WVitnesses ARTHUR RoBnRT THOMAS Woons, LOUISE MAUD ROBINSON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. O.

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