US138179A - Improvement in dumping-scows - Google Patents
Improvement in dumping-scows Download PDFInfo
- Publication number
- US138179A US138179A US138179DA US138179A US 138179 A US138179 A US 138179A US 138179D A US138179D A US 138179DA US 138179 A US138179 A US 138179A
- Authority
- US
- United States
- Prior art keywords
- scow
- dumping
- scows
- improvement
- inclines
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000000284 resting Effects 0.000 description 4
- 241000370685 Arge Species 0.000 description 2
- 241000209761 Avena Species 0.000 description 2
- 235000007319 Avena orientalis Nutrition 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 230000002459 sustained Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/28—Barges or lighters
- B63B35/30—Barges or lighters self-discharging
- B63B35/306—Barges or lighters self-discharging discharging through dump-gates on the bottom or sides of the barge
Definitions
- My present invention is made for obtaining the advantages of both said modes ot' discharge without the attendant'disadvantages5 and consists in a scow made with two double inclines running longitudinally of the vessel and forming three compartments for the mud or other material, in combination with flaps or doors that allow the material, ⁇ to discharge at both sides and at the bottom.
- the scow can be built much stronger and lighter than heretofore; and it is impossible to tip the same over, because neither side load is sufficient, and the floats formed by the inclines are at each side of the center instead of being central; and in shallow water the portions of the load that discharge at the sides relieve the scow of so much weight that it will rise in the water and give room for the tlaps to open at the bottom and deliver the central portions of the load, even in cases where the depth ot water is only suflicient to iloat the loaded scow.
- Figure l is a crosssection of the scow
- Fig. 2 is a longitudinal section and partial elevation of portions of the end and center of the scow.
- the scow is formed of two end compartments, a, made water-tight, and the central compartment b also water-tight. These are connected by the two longitudinal double inclines c d e f, that are closed by the bottoms g to form oats, and they are to be stiffened with longitudinal truss-braces h. 'llhe gunwale k or plank-shear is also provided as usual, and the combings l surround the space into which the mud or other material is deposited.
- the aps m are hinged at n to the shear or gunwale k, and the flaps or doors o are connected by hinges or chains p.
- the chains are all simultaneously liberated, or else the chains to the flaps m are first released from the windlass by turning back the pawl t, and the portions of the load resting upon the inclines c and d slide out laterally through the openings beneath the gunwale le.
- the portion of the load resting upon the inclines e and f either simultaneously slides down such inclines and is delivered through the opening between them, or else the rising of the scow, when the mud has been discharged from above the inclines c d, allows the flaps o o to fall and open the discharge-space sufficiently for the descent of the contents in the central portions of the compartments.
- the dumping-scow made with the double inclines c d c f, in combination with the .een tral and lateral discharge-openings and doors or liaps on m o o, substantially as and for the purposes set forth.
- a dumping-scow made with the central float I) and end lioats a, connected by the two double inclines c d e f and bottoms g, in combination with thelateral and central disch arge openings and the doors or iaps, substantially as set forth.
Description
lA. T. MORRIS.
Dumping YScuws. i N0. 138,179, PatentedApril22Ql873.
STATES EEIcE.
IMPROVEMENT IN DUMPING-s'cows.
i Specification forming part of Letters Patent No. l 38,179, dated April 22,1873; application tiled March 5, 1873.
To all whom it may concern:
Be it known that I, AUGUSTUS T. MORRIS, of Bloomfield, in the county of Essex and State of New Jersey, have invented an Improvement in Dumping-Scows, of which the following is a specification:
Before this invention scows had been built with discharge-openings and iiaps or gates at the sides and inclined surfaces, upon which the mud or other material rested, and from which it slid down and discharged when the flaps were opened; but in scows of this character great risk existed that the material at one side would slide out and not at the other, and that the weight upon one side would tip the vessel and turn the same bottom upward. In other instances the material has been discharged from the bottom through openings provided with llaps swinging downwardly; but in this case the scow could not be discharged in shallow water where the illing material is usually required.
My present invention is made for obtaining the advantages of both said modes ot' discharge without the attendant'disadvantages5 and consists in a scow made with two double inclines running longitudinally of the vessel and forming three compartments for the mud or other material, in combination with flaps or doors that allow the material,` to discharge at both sides and at the bottom. By this construction the scow can be built much stronger and lighter than heretofore; and it is impossible to tip the same over, because neither side load is sufficient, and the floats formed by the inclines are at each side of the center instead of being central; and in shallow water the portions of the load that discharge at the sides relieve the scow of so much weight that it will rise in the water and give room for the tlaps to open at the bottom and deliver the central portions of the load, even in cases where the depth ot water is only suflicient to iloat the loaded scow. I also construct the scow with a central airchamber to lessen the draft of water and to prevent the central part of the scow bending downward by reason of the load.
In the drawing, Figure l is a crosssection of the scow, and Fig. 2 is a longitudinal section and partial elevation of portions of the end and center of the scow.
The scow is formed of two end compartments, a, made water-tight, and the central compartment b also water-tight. These are connected by the two longitudinal double inclines c d e f, that are closed by the bottoms g to form oats, and they are to be stiffened with longitudinal truss-braces h. 'llhe gunwale k or plank-shear is also provided as usual, and the combings l surround the space into which the mud or other material is deposited. The aps m are hinged at n to the shear or gunwale k, and the flaps or doors o are connected by hinges or chains p. From the windlass-shaft r the chains s pass to the doors or flaps on, and the chains t serve to hold up the swinging edges of the flaps o. When these chains are all drawn up the doors or flaps m o are closed and sustained, so that the scow is ready for receiving the mud or other material into the two compartments between the center iioat b and the respective end ioats a a.
In dumping the contents of the scow, the chains are all simultaneously liberated, or else the chains to the flaps m are first released from the windlass by turning back the pawl t, and the portions of the load resting upon the inclines c and d slide out laterally through the openings beneath the gunwale le. The portion of the load resting upon the inclines e and f either simultaneously slides down such inclines and is delivered through the opening between them, or else the rising of the scow, when the mud has been discharged from above the inclines c d, allows the flaps o o to fall and open the discharge-space sufficiently for the descent of the contents in the central portions of the compartments.
I claim as my inventionl. The dumping-scow, made with the double inclines c d c f, in combination with the .een tral and lateral discharge-openings and doors or liaps on m o o, substantially as and for the purposes set forth.
2. A dumping-scow, made with the central float I) and end lioats a, connected by the two double inclines c d e f and bottoms g, in combination with thelateral and central disch arge openings and the doors or iaps, substantially as set forth.
Signed by me this 27th day of February,
A. T. MORRIS. Witnesses:
GEO. T. PINCKNEY, CEAS. H. SMITH.
Publications (1)
Publication Number | Publication Date |
---|---|
US138179A true US138179A (en) | 1873-04-22 |
Family
ID=2207593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US138179D Expired - Lifetime US138179A (en) | Improvement in dumping-scows |
Country Status (1)
Country | Link |
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US (1) | US138179A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4644888A (en) * | 1984-03-16 | 1987-02-24 | Ihc Holland N.V. | Floating hopper barge with discharging trap doors in the bottom |
-
0
- US US138179D patent/US138179A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4644888A (en) * | 1984-03-16 | 1987-02-24 | Ihc Holland N.V. | Floating hopper barge with discharging trap doors in the bottom |
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