US3691572A - Canoe construction - Google Patents
Canoe construction Download PDFInfo
- Publication number
- US3691572A US3691572A US80969A US3691572DA US3691572A US 3691572 A US3691572 A US 3691572A US 80969 A US80969 A US 80969A US 3691572D A US3691572D A US 3691572DA US 3691572 A US3691572 A US 3691572A
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- US
- United States
- Prior art keywords
- canoe
- water
- deck
- hull
- open
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/02—Hulls assembled from prefabricated sub-units
- B63B3/08—Hulls assembled from prefabricated sub-units with detachably-connected sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
- B63B34/20—Canoes, kayaks or the like
- B63B34/21—Canoes, kayaks or the like characterised by constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
- B63B43/12—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using inboard air containers or inboard floating members
Definitions
- the deck member tends to limit the flow of white water into the UNITED STATES PATENTS hull, and the buoyant chamber limits the available 2,866,985 1/1959 Blackmore ..9/6 Space in the hull for the accumulation of water, so that 2,483,531 10/1949 Boisblane ..9/3 the amount of water taken in y the canoe is limited, 1,889,368 11/1932 Messenger ..9/6 which enables more effective use of the heat- 3,133,294 5/1964 Kunz ..9/6 2,376,753 5/1945 Bowen ..9/6
- White water is in the nature of. free?? water, momentarily suspended in the air as spray. As such, it does not.
- Another object is to provide a detachable canoe construction for temporarily converting a standard canoe for use in white water.
- a conventional open canoe is provided with a top deck that mates in shape with the gunwales of the BRIEF DESCRIPTION OF THE DRAWING
- FIG. 1 is a side elevation view of a conventional canoe to which is attached a top deck construction embodying this invention
- FIG. 2 is a top view of the canoe and deck of FIG. I;
- FIG. 3 is a side elevation view, similar to FIG. I but with the canoe and top deck in exploded relation.
- a conventional open canoe 10 is provided with atop deck 12 to limit the free flow of water into the canoe, as well as the accumulation of water that manages to pass the top. deck 12 into the hull.
- the canoe may take any of a variety of known forms, and the canoe illustrated in the drawing represents aconventional canoe, such as sinking of the boat when overturned or filled with.
- the top deck 12 in apreferred form, includes a sheet 30 of flat and relatively stiff material, such as a sheet of plywood, molded fiberglass or aluminum stamping.
- a pair of openings 32 are formed in the deck member 30 in locations" overlying the seats 24, to provide cockpits for the paddlers.
- the cockpit openings 32 are-surrounded by raised rims or coamings 34, which act as splashboards to restrict the flow of water into the cockpits.
- the deck member 30 is provided with a plurality of J-bolts 36, spaced about the edge of the deck member, and eachadapted to engage at its hook end with the adjacent inward overhang of the" canoe gun wale 20 or deck 28.
- Wing nuts .38 of the J-bolts are readily tightened up to secure the bolts and provide a tight attachment of the deck member to the canoe.
- the thwarts 18 can also be used, and various other projecting surfaces on conventional canoes are available or can be readily added for such fastening means.
- buoyant chambers 40 Suspended from the underside of the deck member 30, and preferably at the center portions thereof, are a pair of buoyant chambers 40. These chambers are shaped and dimensioned to fit between the thwarts l8 and between the gunwales 20 and extend from the gun wales substantially to the bottom of the hull, to substantially fill the open space within the hull of the canoe. These chambers 40 may take the form of watertight enclosures of the same material as the deck member 30, and may be formed integral therewith; for example, shaped aluminum sheeting secured to an aluminum deck member 30 may be used. Alternatively, the chambers 40 may be formed of solid molded plastic material, such as styrofoam, and suitably bonded to the underside of the member 30.
- the chambers 40 add little to the gross weight, and provide relative buoyancy when the canoe hull is otherwise filled with water.
- the chambers 40 are dimensioned to fill a substantial part of the open space within the canoe hull. For example, preferably one-third and more of this open space is filled by the buoyant chambers.
- the deck member 12 is readily manipulated by one or two persons, and with most lightweight materials would weigh 25 pounds or less.
- the deck 1l2 can be readily attached to or removed from the canoe.
- the deck member has the same outer shape as the gunwales of the canoe, and is secured thereto simply by resting it on top of the gunwales. Thereafter, the J-bolts around the edge of the deck are drawn up tight by manipulation of the wing nuts, with the book of the bolt engaging under the overhang of the gunwales 2t) and of the bow and stem decks 28.
- a gasket may be provided about the rim of the deck sheet 30, between it and the canoe gunwales, if a watertightseal isdesired.
- a watertight seal is not generally important, and a sufficiently close attachment is ordinarily provided without a gasket.
- the canoe In use, the canoe is handled and paddled in white water in the usual fashion.
- the white water splashes into the air above the canoe, and tends to drop into the canoe like a shower.
- the top deck 30 restricts the flow of water into the hull, and the coamings 34-tend to keep out from the cockpits the water that falls on the deck 30.
- the white water enters the cockpits 32 around the paddlers. This water accumulates in the hull of the canoe, and would often till all open space therein;
- the buoyant chambers 40 restrict the volume of open space in the hull which is available for such water accumulation.
- the canoe carries stowage of various amounts, which is inserted in the space under the seats 24 and under the forward and aft portions of the deck 30.
- the amount of open space in the canoe available for the accumulation of water is quite small, and largely limited to the cockpit space surrounding the paddlers.
- additional buoyant chambers may be provided under the seats 24 and suspended from the sections of the deck 30 in front of the forward cockpit 32 and abaft the rear cockpit.
- the deck 12 may also be constructed with only the rear cockpit for a single paddler, and additional buoyant chambers would be attached to the deck 12 on either side of the bow seat 24.
- the deck member 30 may also be made of canvas or other suitable materials which are drawn up tight when attached to the gunwales of the canoe.
- the buoyant chambers 40 in such an embodiment may be formed of molded Styrofoam blocks or of canvas air bags suspended from the deck canvas.
- the fasteners 36 may take various other forms, and may readily vary with the types of materials employed for the deck member 30. Various other modifications of this invention will be apparent from the above description of an illustrative form of the invention.
- a device for converting a canoe for use in rough water comprising an elongated waterproof deck member;
- said deck member being shaped with narrow ends and a wide intermediate portion and dimensioned to substantially fit the open canoe top, said deck buoyant chamber is an enclosed air chamber.
- a canoe construction for use of a canoe in rough water comprising an elongated waterproof deck member;
- said deck member being shaped with narrow ends and a wide intermediate portion and dimensioned to substantially fit the open canoe top, said deck member having: at least one cockpit opening therein for a paddler, and a buoyant chamber attached to the underside of said member for mounting within said canoe and for filling a substantial portion of the space within the hull of the canoe, whereby said deck member tends to limit the flow of water into the hull, and said buoyant chamber limits the available space in the hull for the accumulation of water, said deck member being a generally flat sheet, and said member fastening means including a plurality of bolts spaced about the edge of said member for engaging the gunwales of the canoe and attaching thereto.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
An open canoe is adapted for use in white water by means of a removable top deck which is attached to the gunwales of the canoe and generally covers the open top except for cockpit openings for the paddlers. Suspended from the under side of the top deck are one or more buoyant chambers which fill one-third or more of the open space in the canoe hull. The deck member tends to limit the flow of white water into the hull, and the buoyant chamber limits the available space in the hull for the accumulation of water, so that the amount of water taken in by the canoe is limited, which enables more effective use of the boat.
Description
United States Patent Yannes, Jr. [451 Sept. 19, 1972 CANOE CONSTRUCTION Primary Examiner-Milton Buchler [72] Inventor: Peter A. Yannes, Jr., 430 Manor AsslsmmExammer carlA Rutledge Road Beverly, NJ 08010 Attorney-Morton C. Jacobs [22] Filed: Oct. 15, 1970 57 ABSTRACT PP 30,969 An open canoe is adapted for use in white water by means of a removable top deck which is attached to 1521 ms. c1 ..9/3, 9/2 8 the gum/ales of the Canoe and generally were the 151 1 1111.121. ..B63c 9/02, [36% 7/02 Open mp except for eeekpit Openings for the Peddlers- 1511 Field 61 Search .....9/3, 5, ,6, 1, 2, 2 s Suspended from the under Side the p deck are one or more buoyant chambers which fill one-third or 56] References Cit d more of the open space in the canoe hull. The deck member tends to limit the flow of white water into the UNITED STATES PATENTS hull, and the buoyant chamber limits the available 2,866,985 1/1959 Blackmore ..9/6 Space in the hull for the accumulation of water, so that 2,483,531 10/1949 Boisblane ..9/3 the amount of water taken in y the canoe is limited, 1,889,368 11/1932 Messenger ..9/6 which enables more effective use of the heat- 3,133,294 5/1964 Kunz ..9/6 2,376,753 5/1945 Bowen ..9/6
FOREIGN PATENTS OR APPLICATIONS 9 Claims, 3 Drawing Figures 587,037 1/l959 Italy ..9/6
PKTE'N'TED an 19 Ian \NVEN'TOR PETER A. YANNES, .52.
BY W ATTORNEY 1. CANOE CONSTRUCTION BACKGROUND OF THE INVENTION This invention relates to the class of small boats known as canoes, and particularly-toe canoe construction which especially adapts itfor use in rapids or rough water having considerable spray.
The use of canoes in wild rivers with rapids and inother types of rough or white" water isan exciting sport. However, the open canoe tends to take in large j quantities of such water over its bowand gunwales.
White water is in the nature of. free?? water, momentarily suspended in the air as spray. As such, it does not.
support the canoe, which rides under the water, and the spray tends to drop into the open canoe. With large quantities of water in the hull, the canoe becomes difficult for the paddler to maneuverand control. Lossof stability can result in overturning of the canoe. Even" with a closedtop deck, similar to a kayak, the canoe I takes in water in-the deck opening provided around the paddler. I I
SUMMARY OF THE INVENTION- 1 Accordingly, it is an object of this invention to provide a canoe construction suitable'for use.in rough or. white water.
Another object is to provide a detachable canoe construction for temporarily converting a standard canoe for use in white water. I
In accordance with one embodiment of this invention, a conventional open canoe is provided with a top deck that mates in shape with the gunwales of the BRIEF DESCRIPTION OF THE DRAWING The foregoing and other objects of this invention, the various features thereof, as well asthe. invention itself,
may be more fully understood. from the following description when read together with the accompanying drawing, in which: 1
FIG. 1 is a side elevation view of a conventional canoe to which is attached a top deck construction embodying this invention;
FIG. 2 is a top view of the canoe and deck of FIG. I; and
FIG. 3 is a side elevation view, similar to FIG. I but with the canoe and top deck in exploded relation.
. In the drawing, corresponding parts are referenced by similar numerals throughout.
DESCRIPTION OF A PREFERRED EMBODIMENT A conventional open canoe 10 is provided with atop deck 12 to limit the free flow of water into the canoe, as well as the accumulation of water that manages to pass the top. deck 12 into the hull. The canoe may take any of a variety of known forms, and the canoe illustrated in the drawing represents aconventional canoe, such as sinking of the boat when overturned or filled with.
water. l
The top deck 12, in apreferred form, includes a sheet 30 of flat and relatively stiff material, such as a sheet of plywood, molded fiberglass or aluminum stamping. A pair of openings 32 are formed in the deck member 30 in locations" overlying the seats 24, to provide cockpits for the paddlers. The cockpit openings 32 are-surrounded by raised rims or coamings 34, which act as splashboards to restrict the flow of water into the cockpits. The deck member 30 is provided with a plurality of J-bolts 36, spaced about the edge of the deck member, and eachadapted to engage at its hook end with the adjacent inward overhang of the" canoe gun wale 20 or deck 28. Wing nuts .38 of the J-bolts are readily tightened up to secure the bolts and provide a tight attachment of the deck member to the canoe. The thwarts 18 can also be used, and various other projecting surfaces on conventional canoes are available or can be readily added for such fastening means.
Suspended from the underside of the deck member 30, and preferably at the center portions thereof, are a pair of buoyant chambers 40. These chambers are shaped and dimensioned to fit between the thwarts l8 and between the gunwales 20 and extend from the gun wales substantially to the bottom of the hull, to substantially fill the open space within the hull of the canoe. These chambers 40 may take the form of watertight enclosures of the same material as the deck member 30, and may be formed integral therewith; for example, shaped aluminum sheeting secured to an aluminum deck member 30 may be used. Alternatively, the chambers 40 may be formed of solid molded plastic material, such as styrofoam, and suitably bonded to the underside of the member 30. Whether air chambers or formed of solid low-density material, the chambers 40 add little to the gross weight, and provide relative buoyancy when the canoe hull is otherwise filled with water. The chambers 40 are dimensioned to fill a substantial part of the open space within the canoe hull. For example, preferably one-third and more of this open space is filled by the buoyant chambers.
The canoe l0, withthe deck member 12 removed,
may be used in any conventional fashion. The deck member 12 is readily manipulated by one or two persons, and with most lightweight materials would weigh 25 pounds or less. Thus, the deck 1l2 can be readily attached to or removed from the canoe. The deck member has the same outer shape as the gunwales of the canoe, and is secured thereto simply by resting it on top of the gunwales. Thereafter, the J-bolts around the edge of the deck are drawn up tight by manipulation of the wing nuts, with the book of the bolt engaging under the overhang of the gunwales 2t) and of the bow and stem decks 28. A gasket may be provided about the rim of the deck sheet 30, between it and the canoe gunwales, if a watertightseal isdesired. However, in view of the open paddler cockpits 32, a watertight seal is not generally important, and a sufficiently close attachment is ordinarily provided without a gasket.
In use, the canoe is handled and paddled in white water in the usual fashion. The white water splashes into the air above the canoe, and tends to drop into the canoe like a shower. The top deck 30 restricts the flow of water into the hull, and the coamings 34-tend to keep out from the cockpits the water that falls on the deck 30. However, by its very nature the white water enters the cockpits 32 around the paddlers. This water accumulates in the hull of the canoe, and would often till all open space therein; The buoyant chambers 40 restrict the volume of open space in the hull which is available for such water accumulation. Thus, the instability of a canoe resulting from the water accumulation is substantially reduced. Ordinarily, the canoe carries stowage of various amounts, which is inserted in the space under the seats 24 and under the forward and aft portions of the deck 30. Thus, with this invention, the amount of open space in the canoe available for the accumulation of water is quite small, and largely limited to the cockpit space surrounding the paddlers. Where stowage room is not required in the use of the canoe, additional buoyant chambers may be provided under the seats 24 and suspended from the sections of the deck 30 in front of the forward cockpit 32 and abaft the rear cockpit. The deck 12 may also be constructed with only the rear cockpit for a single paddler, and additional buoyant chambers would be attached to the deck 12 on either side of the bow seat 24.
The deck member 30 may also be made of canvas or other suitable materials which are drawn up tight when attached to the gunwales of the canoe. The buoyant chambers 40 in such an embodiment may be formed of molded Styrofoam blocks or of canvas air bags suspended from the deck canvas. The fasteners 36 may take various other forms, and may readily vary with the types of materials employed for the deck member 30. Various other modifications of this invention will be apparent from the above description of an illustrative form of the invention.
What is claimed is:
l. A device for converting a canoe for use in rough water comprising an elongated waterproof deck member;
and means for manually and removably fastening said member to the open top of a canoe as a cover deck;
said deck member being shaped with narrow ends and a wide intermediate portion and dimensioned to substantially fit the open canoe top, said deck buoyant chamber is an enclosed air chamber.
3. A canoe device as recited in claim 1, wherein said buoyant chamber is a solid volume of low density material.
4. A canoe device as recited in claim 1, wherein said buoyant chamber is dimensioned to extend from the gunwales substantially to the bottom of the hull.
5. A canoe device as recited in claim 1, wherein said deck member includes a coaming about said cockpit opening to restrict the flow of water therein.
6. A canoe device as recited in claim 1, in combination with an open canoe.
7. A canoe device as recited in claim 6, wherein the volume of said buoyant chamber is at least one-third of the open volume of the canoe hull in which water can accumulate.
8. A canoe device as recited in claim 6, wherein said buoyant chamber is located between the thwarts of the canoe.
9. In combination with an open canoe,
a canoe construction for use of a canoe in rough water comprising an elongated waterproof deck member;
and means for removably fastening said member to the open top of a canoe as a cover deck;
said deck member being shaped with narrow ends and a wide intermediate portion and dimensioned to substantially fit the open canoe top, said deck member having: at least one cockpit opening therein for a paddler, and a buoyant chamber attached to the underside of said member for mounting within said canoe and for filling a substantial portion of the space within the hull of the canoe, whereby said deck member tends to limit the flow of water into the hull, and said buoyant chamber limits the available space in the hull for the accumulation of water, said deck member being a generally flat sheet, and said member fastening means including a plurality of bolts spaced about the edge of said member for engaging the gunwales of the canoe and attaching thereto.
Claims (9)
1. A device for converting a canoe for use in rough water comprising an elongated waterproof deck member; and means for manually and removably fastening said member to the open top of a canoe as a cover deck; said deck member being shaped with narrow ends and a wide intermediate portion and dimensioned to substantially fit the open canoe top, said deck member having: at least one cockpit opening therein for a paddler, and a buoyant chamber attached to the underside of said member for mounting within said canoe and for filling a substantial portion of the space within the hull of the canoe, whereby said deck member tends to limit the flow of water into the hull, and said buoyant chamber limits the available space in the hull for the accumulation of water.
2. A canoe device as recited in claim 1, wherein said buoyant chamber is an enclosed air chamber.
3. A canoe device as recited in claim 1, wherein said buoyant chamber is a solid volume of low density material.
4. A canoe device as recited in claim 1, wherein said buoyant chamber is dimensioned to extend from the gunwales substantially to the bottom of the hull.
5. A canoe device as recited in claim 1, wherein said deck member includes a coaming about said cockpit opening to restrict the flow of water therein.
6. A canoe device as recited in claim 1, in combination with an open canoe.
7. A canoe device as recited in claim 6, wherein the volume of said buoyant chamber is at least one-third of the open volume of the canoe hull in which water can accumulate.
8. A canoe device as recited in claim 6, wherein said buoyant chamber is located between the thwarts of the canoe.
9. In combination with an open canoe, a canoe construction for use of a canoe in rough water comprising an elongated waterproof deck member; and means for removably fastening said member to the open top of a canoe as a cover deck; said deck member being shaped with narrow ends and a wide intermediate portion and dimensioned to substantially fit the open canoe top, said deck member having: at least one cockpit opening therein for a paddler, and a buoyant chamber attached to the underside of said member for mounting within said canoe and for filling a substantial portion of the space within the hull of the canoe, whereby said deck member Tends to limit the flow of water into the hull, and said buoyant chamber limits the available space in the hull for the accumulation of water, said deck member being a generally flat sheet, and said member fastening means including a plurality of bolts spaced about the edge of said member for engaging the gunwales of the canoe and attaching thereto.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8096970A | 1970-10-15 | 1970-10-15 |
Publications (1)
Publication Number | Publication Date |
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US3691572A true US3691572A (en) | 1972-09-19 |
Family
ID=22160833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US80969A Expired - Lifetime US3691572A (en) | 1970-10-15 | 1970-10-15 | Canoe construction |
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US (1) | US3691572A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040134A (en) * | 1976-09-27 | 1977-08-09 | Alvin Downing | Pontoon boat |
US4593642A (en) * | 1984-11-28 | 1986-06-10 | Shay Charles W | Carrying case for canoe |
US4699076A (en) * | 1984-09-04 | 1987-10-13 | Curtis Richard M | Safety deck system |
DE8811784U1 (en) * | 1988-09-16 | 1990-01-18 | Wrublick, Hugo, 8269 Burgkirchen | Catamaran-like water sports vehicle |
US6105305A (en) * | 1998-09-22 | 2000-08-22 | Edens; David L. | Well structure |
US7021235B1 (en) | 2003-08-12 | 2006-04-04 | Niklewicz-Larsen Danusia | Kayak and canoe cover |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1889368A (en) * | 1931-06-18 | 1932-11-29 | Lester Montgomery | Boat |
US2376753A (en) * | 1944-06-19 | 1945-05-22 | Columbian Rope Co | Molded boat |
US2483531A (en) * | 1947-10-01 | 1949-10-04 | Boisblanc Felix J De | Boat construction |
US2866985A (en) * | 1956-11-29 | 1959-01-06 | Plastiform Company | Plastic boat |
US3133294A (en) * | 1961-05-29 | 1964-05-19 | Canadian Res & Dev Foundation | Plastic boat |
-
1970
- 1970-10-15 US US80969A patent/US3691572A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1889368A (en) * | 1931-06-18 | 1932-11-29 | Lester Montgomery | Boat |
US2376753A (en) * | 1944-06-19 | 1945-05-22 | Columbian Rope Co | Molded boat |
US2483531A (en) * | 1947-10-01 | 1949-10-04 | Boisblanc Felix J De | Boat construction |
US2866985A (en) * | 1956-11-29 | 1959-01-06 | Plastiform Company | Plastic boat |
US3133294A (en) * | 1961-05-29 | 1964-05-19 | Canadian Res & Dev Foundation | Plastic boat |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040134A (en) * | 1976-09-27 | 1977-08-09 | Alvin Downing | Pontoon boat |
US4699076A (en) * | 1984-09-04 | 1987-10-13 | Curtis Richard M | Safety deck system |
US4593642A (en) * | 1984-11-28 | 1986-06-10 | Shay Charles W | Carrying case for canoe |
DE8811784U1 (en) * | 1988-09-16 | 1990-01-18 | Wrublick, Hugo, 8269 Burgkirchen | Catamaran-like water sports vehicle |
US6105305A (en) * | 1998-09-22 | 2000-08-22 | Edens; David L. | Well structure |
US7021235B1 (en) | 2003-08-12 | 2006-04-04 | Niklewicz-Larsen Danusia | Kayak and canoe cover |
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