US307289A - Method of and apparatus for working submarine harrows - Google Patents
Method of and apparatus for working submarine harrows Download PDFInfo
- Publication number
- US307289A US307289A US307289DA US307289A US 307289 A US307289 A US 307289A US 307289D A US307289D A US 307289DA US 307289 A US307289 A US 307289A
- Authority
- US
- United States
- Prior art keywords
- harrow
- vessel
- submarine
- harrows
- working
- 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
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000002452 interceptive Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- GRYSXUXXBDSYRT-WOUKDFQISA-N (2R,3R,4R,5R)-2-(hydroxymethyl)-4-methoxy-5-[6-(methylamino)purin-9-yl]oxolan-3-ol Chemical compound C1=NC=2C(NC)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OC GRYSXUXXBDSYRT-WOUKDFQISA-N 0.000 description 2
- 241000272168 Laridae Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
Definitions
- My invention relates to a method of and means for cutting submarine channels by the action of a harrow hauled over the baror riverbed, assisted by the natural currents of the water-way.
- the invention consists in a method of working the harrow by taking in the slack of the harrow-hawser as the vessel moves back and forth to haul the harrow over the channel-way, thereby avoiding a fouling of the hawser and economizing time, labor, and fuel in the operation.
- the invention consists, also, in an arrangement of al Windlass, in combination with a well through the vessels bottom at about the center of the vessel, and the harrow and its hawser, whereby the harrow maybe operated by the hawser without interfering with the means of propelling the vessel, or with the steering apparatus of the vessel, all as hereinafter fully described and claimed.
- the letter A indicates a steam -vessel in part--in this instance a stern-paddle-wheel vessel.
- 13 indicates a hoisting drum, winch, or other suitable apparatus, preferably a steam-windlass, which is located 011 a deck or platform, 0, above a well or tube, D, which opens through the vessels bottom, as shown, and reaches above the water-level at the top, and through (X0 model.)
- a steam-windlass which is located 011 a deck or platform, 0, above a well or tube, D, which opens through the vessels bottom, as shown, and reaches above the water-level at the top, and through (X0 model.)
- the aft rudder, J is particularly useful, when shallow channel-ways are first to be cut or sluiced out by the water forced aft by the wheel H, and in advance of the use of the harrow, such cutting or sluicing being done when the bows of the vessel are held fast, as a pivot on which the vessels stern may be swung from After once side to side of the channel to be cut by the force of the water from the Wheel H acting against the aft rudder as it passes it.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
Description
(No Model.)
J. GATES. METHOD OF AND APPARATUS FOR WORKING SUBMARINE HARROWS.
Patented Oct. 8, 1884.
ATTORNEYS.
N PETERS Photo-Lilhngnflur. Wahingtun. Dv C.
illnrrnn dramas Parent Orrric rt A JOHN GATES, OF PORTLAND, OREGON;
METHOD OF AND APPARATUS FOR WORKING SUBMARINE HARROWS.
EBPECIFICATION formingpart of Letters Patent No. 307,289, dated October 28,188 l.
Application filed April 30, 1884.
To all whom, it may concern:
Be it known that I, JOHN Guns-0f Portland, in the county of Multnomah and State of Oregon, have invented a new and Improved Method of and Apparatus for W'orking Submarine Harrows, of which the following is a full, clear, and exact description.
My invention relates to a method of and means for cutting submarine channels by the action of a harrow hauled over the baror riverbed, assisted by the natural currents of the water-way. I
The invention consists in a method of working the harrow by taking in the slack of the harrow-hawser as the vessel moves back and forth to haul the harrow over the channel-way, thereby avoiding a fouling of the hawser and economizing time, labor, and fuel in the operation.
The invention consists, also, in an arrangement of al Windlass, in combination with a well through the vessels bottom at about the center of the vessel, and the harrow and its hawser, whereby the harrow maybe operated by the hawser without interfering with the means of propelling the vessel, or with the steering apparatus of the vessel, all as hereinafter fully described and claimed.
Reference is to be had to the accompanying drawing, forming a part of this specification, and in which the figure is a side view, partly broken away and in section, of a stern-paddle- Wheel vessel fitted with my improved apparatus, and showing the harrow at work on the river bed or bottom.
The letter A indicates a steam -vessel in part--in this instance a stern-paddle-wheel vessel.
13 indicates a hoisting drum, winch, or other suitable apparatus, preferably a steam-windlass, which is located 011 a deck or platform, 0, above a well or tube, D, which opens through the vessels bottom, as shown, and reaches above the water-level at the top, and through (X0 model.)
will be steamed to the desired point and the harrow F let down to the bar or bed G, the vesselbeing headed up against the current,and the hawser E suitably paid out and held to drag the harrow F across the bar for tearing up the deposit by the barrow-teeth, so that the sand, silt, gravel, or other material of the bar orbed shall be carried off to a distance by the strong natural current of the waterway, and spread out and deposited to one side or downstream in deeper water. crossing the bar G by the harrow, instead of hauling or raising the harrowfrom the bar or bed, and widely circling around with the ves sel A to come bows on and drag the lowered harrow, as at first, over the same track, by which method much time is lost and fuel wasted in propelling the vessel, I propose simply to back the vessel over the same course,
meanwhile taking in the slack of the hawser E by the Windlass I3, to prevent fouling the hawser, and suitably paying out the hawser at the downstream side of the harrow, when the hawser will again be made fast at the Windlass end to drag the harrow back on the return course over the same track or in the path of the channel to be cut or widened. and when fully drawn back the vessel will again be moved forward, the slack of the hawser while the vessel moves over the harrow being again taken in, and then paid out suitably and made fast, to again drag the harrow upstream, as at first; and these reverse movements of the vessel and harrow will be continued until the channel is cut to the required depth, as will readily be understood. I place the well D at about the foreand-aft center of the vessel, so that the hawserE and harro w Fmay be worked, as above described, without interfering with the paddle-wheel H or screw or other means of propelling the vessel, and also without interfering with the complete control of the vessel by the rudders I or J, or both of them,- which rudders I have fitted, respectively, fore and aft of the wheel H.
The aft rudder, J, is particularly useful, when shallow channel-ways are first to be cut or sluiced out by the water forced aft by the wheel H, and in advance of the use of the harrow, such cutting or sluicing being done when the bows of the vessel are held fast, as a pivot on which the vessels stern may be swung from After once side to side of the channel to be cut by the force of the water from the Wheel H acting against the aft rudder as it passes it.
Having thus described my'invention. Iclaim 5 as new and desire to secure by Letters Patent- 1. The method of Working submarine harrows herein described for cutting channels in Water-ways, which consists in taking in the slack of the harrow-hawser as the vessel haul- 13 ing it advances and backs over the course of the channel, as specified.
2. The combination, with avessel, A, of the Well D, located at about the center of the vessel, the h0isting-windlass B, and the harrow F, connected with the Windlass by a hawser, E, passed through the We11 D, substantially as shown and described.
JOHN GATES.
\Vitnesses:
L. M. PARRIsn, GEO. E. WATKINs.
Publications (1)
Publication Number | Publication Date |
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US307289A true US307289A (en) | 1884-10-28 |
Family
ID=2376458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US307289D Expired - Lifetime US307289A (en) | Method of and apparatus for working submarine harrows |
Country Status (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200208375A1 (en) * | 2018-12-26 | 2020-07-02 | Cashman Dredging And Marine Contracting, Co., Llc | Dragging apparatus with ripper shank |
-
0
- US US307289D patent/US307289A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200208375A1 (en) * | 2018-12-26 | 2020-07-02 | Cashman Dredging And Marine Contracting, Co., Llc | Dragging apparatus with ripper shank |
US10920400B2 (en) * | 2018-12-26 | 2021-02-16 | Cashman Dredging And Marine Contracting, Co., Llc | Dragging apparatus with ripper shank |
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