JPH03135900A - Fold type canoe - Google Patents

Abstract

PURPOSE:To give tension to a skin, and to install the skin on the entire frame by supporting a tension lever freely rotating by a ship tail side end of a ship- shaped frame, and by linking the ship tail side end of the skin to the lever through a rope with the frame covered with the ship front side end. CONSTITUTION:A tension lever pipe 11a' is mounted on a ship tail side of a ship-shaped frame 12 in a freely rotating condition. A ship front part of the ship-shaped frame 12 is covered with a cap-like skin 35, and the ship tail part of the skin 35 is linked to the lever pipe 11a' with a rope 36. The length of the ship tail part of the skin 35 is slightly shorter than that of the frame 12. When the lever 11a' is rotated, the skin 35 is installed on the entire frame 12 with the tension given thereto.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a foldable canoe constructed by covering a hull frame made of assembled pipes with a skin (hull cloth).

[Conventional technology]

Conventional folding canoes have not been provided with a mechanism for attaching the skin to the hull frame by applying appropriate tension to the skin through a simple operation.

[Problem to be solved by the invention]

For this reason, conventionally, it has been troublesome to apply appropriate tension to the skin and attach it to the hull frame.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a foldable canoe that is equipped with a mechanism that allows the canoe to be attached to a hull frame by applying appropriate tension to the skin with an extremely simple operation. With the goal.

[Means to solve the problem]

The present invention provides a foldable canoe comprising a skin covering a disassemblyable hull frame, and a tension lever rotatably supported at the stern (or bow) end of the hull frame; a connecting means for removably connecting a (or bow side) end of the skin to the tension lever; Alternatively, when the tension lever is rotated with the bow end connected to the tension lever via the connection means, the skin is pulled and tension is applied to the skin.

[Effect]

In the present invention, the bow (stern) side end of the skin is placed over the hull frame, and then the stern (bow) side end of the skin is connected to the tension lever via a connecting means such as a rope or string. When the tension lever is rotated, the skin is pulled and tension is applied to the skin, and the skin can be attached to the hull in this tensioned state.

〔Example〕

Hereinafter, the present invention will be explained based on embodiments shown in the drawings.

1 to 18 show one embodiment of the present invention. In this embodiment, ribs 1 to 6 shown in FIG. 8 and the like are each in the shape of a frame roughly forming a desired cross-sectional shape of the canoe. The upper central part, upper left and right parts of these ribs 1 to 6,
Pipe fitting recesses 7 are provided at the left and right portions of the middle portion in the vertical direction and at the center portion of the bottom portion. In this example,
By removably fitting a keel pipe 8, edge line pipe 9, gunwale pipe 10 and upper deck pipe 11 made of metal such as aluminum alloy into these vibe fitting recesses 7, a structure as shown in FIG. A hull frame 12 is configured.

The keel pipe 8 constitutes the keel of the canoe,
It extends through the center of the canoe's bottom and ends at the bow and stern. The edge line pipes 9 and gunwale pipes 10 are provided in pairs on the left and right, respectively. Of these, the edge line pipe 9 extends along the side surface of the canoe at an intermediate portion in the vertical direction, and the gunwale pipe 10 extends along the gunwale. On the other hand, the upper deck vibrator 11 is a pipe extending in the front-rear direction at the center and upper part of the canoe in the width direction, and is divided into front and rear parts by the cock bit part 13.

The pipes 8-11 each include a plurality of short pipes 8a-
It is constructed by connecting lla. Figure 10 shows the type of vibrator 8a for each pipe 8 to 11.
As a representative example of the connecting portion of ~lla, the connecting portion of the upper deck vibe 11 is shown, and each short pipe lla is fixed to the inner circumferential surface of the end of one of the similar vibes lla, and slightly protrudes from the related vibe 11a. small diameter joint pipe 1
4 to the inner peripheral surface of the other similar vibrator lla, the connection is made. Also, here, a stopper 15 is fixed inside the "other short pipe 11a", and this stopper 15 comes into contact with the tip of the joint pipe 14 to prevent the joint vibe 14 from entering further. By this, ribs 1 to 6 are formed between both short pipes 11a.
A space is formed corresponding to the thickness of the material.

The upper deck vibe 11 is shown in Figures 9 and 10.
As shown in the figure, the ribs 1 to 6 are fitted in the joint pipe 14 portion between the short pipes lla. With such a connection structure, the upper deck vibe 11 is connected to each of the ribs 1 to 6 so as not to be able to move in the front-rear direction.

Although not shown, similar vibes 8a to 10a of pipes 8 to 10 other than the upper deck pipe 11 are also connected to each other via joint pipes, and each pipe 8 to
10 is fitted into the vibrator fitting recess 7 at the joint pipe portion between the short pipes 8a to 108.

As shown in FIG. 9, the inlet of each of the vibrator fitting recesses 7 is made slightly smaller than the outer diameter of each joint vibrator 14, and each of the vibrators 8 to 10 is inserted into each vibrator while pushing this inlet apart. It is fitted into the vibrator fitting recess 7. Therefore, each of the vibrators 8 to 10 cannot be removed from each of the vibrator fitting recesses 7 unless a certain amount of large force is applied.

As shown in FIGS. 2, 16, and 17, a short pipe (this short pipe also functions as the tension lever of the present invention in this embodiment) constitutes the stern end of the upper deck vibe 11. , in particular, the rear end of the tension lever vibe 11a') is rotatably and non-removably attached to the rear end of the short pipe 8a that constitutes the stern end of the keel vibe 8 via the coupling shaft 16. combined. Similarly, the front end of the short pipe 8a forming the bow side end of the upper deck vibe 11 can be rotated but cannot be removed from the rear end of the short pipe 8a forming the bow side end of the keel vibe 8. is combined with In addition,
The tension lever vibrator 11a' is provided with a rope attachment 17 as shown in FIG. 16 and the like.

In this embodiment, when assembling the hull frame 12,
Preferably, first, the keel vibe 8 is
a are connected to each other and completed, and then fitted into the corresponding vibrator fitting recesses 7 of each of the ribs 1 to 6. Next, the gunwale vibrator 10 and the edge line pipe 9 are connected to their short vibrator 10a.

9a are connected to each other and completed, the stern (or bow) side ends of the gunwale pipe 10 and edge line pipe 9 are attached to the stern (or bow) side end of the keel vibe 8 in a manner described in detail later. , Subsequently, the intermediate portions of the gunwale pipe 10 and edge line pipe 9 are fitted into the corresponding vibe fitting recesses 7 of each rib 1 to 6, and then the bow (or Attach the stern) side end to the bow (or stern) side of the keel vibe 8. Further, the portion of the upper deck vibrator 11 on the front side of the cock bit portion 13 is also completed by connecting the short pipes lla to each other, and then fitted into the vibrator fitting recesses 7 of the ribs 1 to 3. but,
Regarding the portion of the upper deck pipe 11 on the rear side of the cockbit portion 13, the connection of the short pipe lla and the fitting to the ribs 4 to 6 are not yet performed.

Next, the connection structure of the edge line pipe 9 and gunwale pipe 1o to the keel vibe 8 will be explained.

As shown in FIGS. 2 and 3, a gunwale coupling plate 18 and an edge line coupling plate 19 are attached near the stern end of the keel vibe 8. As shown in FIG. 2, the gunwale coupling plate 18 is provided with bottle fitting recesses 2o on the left and right sides, and these bottle fitting recesses 2o are located approximately on the left and right sides of the hull (more specifically, on the left and right sides of the hull). It opens slightly diagonally backward (from the width direction).

Further, the left and right portions of the gunwale coupling plate 18 on the tip side from the bottle fitting recess 20 form sleeve fitting portions 21, respectively, and these sleeve fitting portions 21 extend toward the tip side. is getting narrower.

The edge line coupling plate 19 is also the gunwale coupling plate 1.
A pin fitting recess 20 and a sleeve fitting part 21 similar to those of No. 8 are provided.

Although not shown, a gunwale coupling plate and an edge line coupling plate similar to the gunwale coupling plate 18 and edge line coupling plate 19 on the stern side are attached near the bow end of the keel vibe 8. There is.

As shown in FIGS. 2 to 6, the gunwale pipe 10
The inner periphery of the rear end of the short vibes 10a and 9a, which respectively constitute the stern end of the edge line pipe 9, and the inner periphery of the front end of the short vibes 10a and 9a, which constitute the bow end, each have a small diameter. A combination vibe 22 is attached.

The protruding ends of these combined vibes 22 from the short pipes 10a and 9a are cut 23 at positions making 180 degrees to each other.
are provided, and a bin 24 is attached in the radial direction at a position making 90 degrees with these cuts 23.

In addition, a locking member 2 is provided near the protruding end of each coupling vibrator 22.
5 is housed so as to be movable in the radial direction of the coupling vibe 22 so that its distal end side can be projected outside the coupling vibe 22 or retracted into the coupling vibe 22.

These locking members 25 are connected to the coupling vibrator 2 by a compression coil spring 26 housed in the coupling vibrator 22.
2 is biased in the direction of protruding outward. Further, a sleeve 27 is fitted onto the outer peripheral side of the coupling vibe 22 so as to be slidable in the axial direction.

When assembling the hull frame 12, the gunwale vibe 1
The bow and stern ends of the 0 and edge line pipes 9 are attached to the front and rear ends of the keel vibe 8 in the following manner.

As shown in the upper part of FIG. 3 and FIGS.
6, while inserting the gunwale and edge line coupling plates 18.19 into the slits 23, insert the pins of each coupling vibrator 22 into the pins of the coupling plates 18.19. It fits into the fitting recess 20 from the side. As a result, each coupled vibrator 22 becomes immovable in the axial direction with respect to the keel vibrator 8.

Next, when the sleeve 27 is slid toward the coupling plates 18 and 19, the sleeve 27 fits into the sleeve fitting portion 21 of the coupling plates 18 and 19, and cannot move laterally (as well as
Its inner circumferential end comes into contact with the side of the root side of the sleeve fitting part 21, and it cannot move forward any further. Further, at this time, the sleeve 27 comes off from the locking member 25 as shown in the lower side of FIG. 3 and FIG. Therefore, the sleeve 27 is sandwiched between the coupling plate and the locking member 25, and is also locked in the axial direction. Therefore, each coupled vibrator 22 becomes unable to move laterally with respect to the keel vibrator 8. As a result, each coupled vibe 22, as well as the gunwale vibe 10 and edge line pipe 9, are firmly fixed to the keel vibe 8 in all directions.

FIG. 12 shows a seat unit 28 attached to the cockpit part 13 of the hull frame 12, and shows the frame vibe 2.
A sheet 30 is attached between the 9 spaces. A hook 32 is attached to the front and rear ends of the frame vibe 29, as shown in FIGS. 13 to 15, and has a fitting recess 31 that opens downward. (tools not shown).

The width of the fitting recess 31 is provided at the rear end of the portion in front of the cockpit portion 13 of the upper deck vibe 11 and the front end portion of the portion behind the cockpit portion 13, as shown in FIGS. 14 and 15. A neck portion 33a having a diameter corresponding to , and a disk-shaped head portion 3 having a larger diameter than the neck portion 33a.
Support protrusions 33 having 3b are respectively attached.

As shown in FIGS. 14 and 15, the seat unit 28 has the fitting recesses 31 of the hooks 32 on the front and rear ends connected to the necks 33a of the support protrusions 33 on the front and rear sides of the cockpit section 13, respectively. The frame vibe 29 and gunwale vibe 10 are attached to the hull frame 12 by fitting from above and joining them with tape 34. However, preferably the cock bit part 1
3. Fitting of the hook 32 on the rear end side to the rear support protrusion 33 is performed by fitting the skin 3 to the hull frame 12, which will be described below.
5. Performed after installation.

FIGS. 1(a) to 1(d) show the work of attaching the skin 35 to the hull frame 12. Note that the skin 35 has a length slightly shorter than the length of the hull frame 12 in a free state. First, the bow side of the bag-shaped skin 35 is placed on the bow side of the hull frame 12 as shown in FIGS. (C) and skin 35 as shown in Figure 17.
The tension rope 36 attached to the stern end of the tension lever vibrator 11a' is hooked onto the rope fitting 17 of the tension lever vibe 11a'. In this condition, tension lever vibe 1
By rotating 1a' forward as shown in FIGS. 1(d) and 17, the skin 35 can be attached to the hull frame 12 while applying tension in the longitudinal direction of the hull frame 12. .

The strength of the tension applied to the skin 35 can be determined by adjusting the length of the tension rope 36 between the rope attachment 17 and the skin 35 when the tension rope 36 is hooked on the rope attachment 17.

Once the skin 35 is attached to the hull frame 12 in this way, connect the remaining short vibrators lla of the upper deck pipe 11 at the rear of the cockpit to the tension lever pipe 11a', and connect these short vibrators lla to the tension lever pipe 11a'.
A hook 32 at the rear end of the seat unit 28 is fitted into a support protrusion 33 attached to the front end of the short vibrator at the front end of the seat unit 28.

Next, the air filling layer provided inside the skin 35 is filled with air using an air pump (not shown), and the cockpit portion of the skin 35 is prepared, thereby completing the assembly of the canoe.

Next, when disassembling this canoe, when the sleeve 27 is slid to the side opposite to the coupling plate while the locking material 25 is pushed in by hand, the sleeve 27 covers the locking material 25.
Since the locking material 25 no longer obstructs the sliding of the sleeve 27, the sleeve 27 and the coupling plate 18, 19 can be quickly disengaged, and the edge line pipe 11 and gunwale rib 10 can be removed from the keel pipe 8. .

In addition, in the above embodiment, the tension lever ll'
A rope 36 is used as a connecting means to connect a and the skin 35.
However, in the present invention, a string or other means may be used as the connecting means.

Further, in the embodiment, the tension lever ll'
Although the tension lever a is provided at the stern end of the hull frame 12, in the present invention, the tension lever may be provided at the bow end of the hull frame.

Further, FIG. 19 shows another embodiment of the locking member and the spring, in which a plate spring 46 is curved in the joint pipe 22 at the bow and stern ends of the edge line pipe 9 and the gunwale pipe 10, respectively. are accommodated. One end of these leaf springs 46 is fixed to the inner peripheral surfaces of the pipes 9, 10, and a locking member 45 is fixed to the other end. The leaf spring 46 biases the locking member 45 in a direction that causes it to protrude outside the pipes 9 and 10.

In this embodiment as well, the edge line pipe 9 and gunwale pipe 10 can be attached to and removed from the keel pipe 8 in exactly the same manner as in the previous embodiment.

〔Effect of the invention〕

As described above, the canoe according to the present invention has an excellent effect in that the canoe itself is equipped with a mechanism that can apply appropriate tension to the skin and attach it to the hull frame with an extremely simple operation. be.

[Brief explanation of the drawing]

FIG. 1 is a process diagram showing a method of attaching a skin to a hull frame in an embodiment of a folding canoe according to the present invention;
Fig. 2 is a side view showing a part of the hull frame in the above embodiment, Fig. 3 is a sectional view taken along the line ■-■ in Fig. 2, and Fig. 4 is a portion of the pin, cutout, and locking material in the above embodiment. 5 is a cross-sectional view taken along line v-v in FIG. 4, and FIG. 6 is a cross-sectional view at the same position as in FIG. 5 when the sleeve is removed from the locking member and the locking member protrudes. FIG. 7 is a perspective view showing the hull frame in the embodiment,
FIG. 8 is a perspective view showing the rib in the embodiment, FIG. 9 is a cross-sectional view showing the fitting part between the rib and the pipe in the embodiment, and FIG. 10 is a cross section taken along the line X-X in FIG. 8. 11 is a perspective view showing the seat unit attached to the hull frame in the above embodiment, FIG. 12 is a perspective view showing the seat unit, and FIG. 13 is a plane showing the hook of the seat unit. FIG. 14 is a front view showing the hook and the tool, FIG. 15 is a plan view showing the hook and the tool attached to the upper deck pipe in the embodiment, and FIG. 16 is the hull frame in the embodiment. 17 is a side view showing how tension is applied to the skin by rotating the tension lever pipe in the embodiment, and FIG. 18 is a perspective view showing the assembled state of the embodiment. 19 are cross-sectional views showing other embodiments of the locking member and the spring. 12... Hull frame, 11a'... Tension lever pipe, 17... Rope fitting, 35... Skin, 36... Tension rope.

Claims (1)

[Scope of Claims] 1. A foldable canoe comprising a skin covering a disassembly hull frame, comprising: a tension lever rotatably supported at the stern (or bow) end of the hull frame; a connecting means for removably connecting the stern side (or bow side) end of the skin and the tension lever, the skin having the bow side (or stern side) end covered with the hull frame; When the tension lever is rotated with the stern side (or bow side) end of the vessel connected to the tension lever via the connection means, the skin is pulled and tension is applied to the skin. A foldable canoe that is characterized by: 2. A folding canoe according to claim 1, wherein the connecting means is a rope or a string, and the tension lever is provided with means for attaching the rope to the lever. 3. The folding canoe according to claim 1, wherein the tension pipe constitutes a part of the hull frame.