BACKGROUND OF THE INVENTION
[0001] The present invention relates to an inflatable boat with improved contour tubular
side elements.
[0002] As is known, inflatable boats are available on the market, which comprise a rigid
keel to which there are applied side tubular elements which, usually, rectilinearly
extend.
[0003] In this arrangement, the front portion, or bow portion of the boat has the tubular
elements which are arranged comparatively near the water surface.
[0004] Accordingly, during the sailing, the waves impact against the front portion of the
tubular elements, thereby generating noise and sprays, with a consequent reduction
of the exploitable power.
[0005] Moreover, another drawback is that the waves continuously impact on the boat tubular
elements, which causes a lot of drawbacks.
SUMMARY OF THE INVENTION
[0006] Thus, the aim of the present invention is to solve the above mentioned problem, by
providing an inflatable boat with improved-contour side tubular elements, specifically
designed for preventing waves from impacting on the boat tubular elements.
[0007] Within the scope of the above mentioned aim, a main object of the present invention
is to provide side tubular elements for inflatable boats having such a contour adapted
to prevent the waves from impacting against the front portion of the tubular elements,
thereby facilitating the advancing movement of the boat even on a water surface with
strong waves.
[0008] Another object of the present invention is to provide side tubular elements for inflatable
boats which are specifically designed to increase the advancing speed of the boat,
the boat operating power being the same, with a reduction of the water sprays by the
boat advancing through the water.
[0009] Yet another object of the present invention is to provide such an inflatable boat
in which it is possible to greatly increase the bow load of the boat shell so as to
further improve the sailing comfort.
[0010] Yet another object of the present invention is to provide improved contour side tubular
elements for inflatable boats, which can be made by a simple method and at a comparatively
low cost with respect to conventional methods.
[0011] According to one aspect of the present invention, the above mentioned aim and objects,
as well as yet other objects, which will become more apparent hereinafter, are achieved
by an inflatable boat with improved-contour side tubular elements, comprises a rigid
keel, to which said side tubular elements are coupled, characterized in that said
tubular side elements comprise a front portion arranged at a top level and a rear
portion arranged at a bottom level, between said front portion and rear portion a
fitting middle portion being provided.
BRIEF DESCRIPTION OF THE DRAWING
[0012] Further characteristics and advantages of the present invention will become more
apparent hereinafter from the following detailed disclosure of an inflatable boat
provided with improved-contour side tubular elements, which is illustrated, by way
of an indicative, but not limitative example, in the accompanying drawing, the single
figure of which illustrates an elevation view of the inflatable boat provided with
the improved side tubular elements according to the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENT
[0013] With reference to the number references of the figure, the inflatable boat with improved-contour
side tubular elements according to the invention, which has been generally indicated
by the reference number 1, comprises a rigid keel 2, which is connected, at the top
portion thereof, to side tubular elements, which have been generally indicated by
the reference number 3.
[0014] The main feature of the invention is that each tubular side element is provided with
a front portion arranged at a top or higher level 4, which extends substantially for
2/5 of the length of the boat.
[0015] Moreover, a further rear portion has been provided, arranged at a bottom or lower
level 5, affecting the stern region of the boat.
[0016] The portion 4 and portion 5 are coupled to one another by a middle fitting portion
6, which substantially rectilinearly extends and which is slanted at an angle α with
respect to the ideal extension line of the top portion 4.
[0017] Advantageously, the angle α is included between 5° and 15°.
[0018] Moreover, the middle portion 6, which, as stated, is rectilinear and slanted, connects
or meets with the portion 4, by means of a fitting portion 6a, having a top convex
portion and with the rear portion 5 by means of a rear fitting portion 6b having a
bottom convexity.
[0019] Another important feature of the invention is that the portions 4 and 5 are substantially
parallel to one another and are arranged substantially in a horizontal plane.
[0020] The contour of the rear portion of the tubular side elements is parallel to the front
contour and, accordingly, owing to the provision of the slanted portion, it is arranged
at a slightly lower level.
[0021] In this connection it should be pointed out that the "cut" and, accordingly, the
specific contour of the side tubular elements of the boat, will allow the boat to
raise, during the sailing, its front portion from the water, thereby preventing the
waves from impacting on the tubular side elements of the boat.
[0022] Moreover, the waves, during the sailing, are cut by the rigid keel and will be displaced
away from the boat shell without impacting against the front portions of the side
tubular elements, thereby facilitating the boat advancing movement even in strong
waves.
[0023] Moreover, the driving power and speed of the boat being the same, it is possible
to greatly increase the bow load of the boat, thereby providing a very good sailing
comfort.
[0024] From the above it should be apparent that the invention fully achieves the intended
aim and objects.
[0025] In particular, it should be apparent that the improved contour of the tubular side
elements allows to achieve great advantages.
[0026] In practicing the invention, the used materials, provided that they are compatible
to the intended use, as well as the contingent size and shapes, can be any, depending
on requirements.
1. An inflatable boat with improved-contour side tubular elements, comprises a rigid
keel, to which said side tubular elements are coupled, characterized in that said
tubular side elements comprise a front portion arranged at a top level and a rear
portion arranged at a bottom level, between said front portion and rear portion a
fitting middle portion being provided.
2. An inflatable boat, according to Claim 1, characterized in that said fitting middle
portion is substantially rectilinear and is slanted with respect to said front and
rear portions.
3. An inflatable boat, according to Claims 1 and 2, characterized in that said front
portion substantially extends for 2/5 of the length of the boat.
4. An inflatable boat, according to one or more of the preceding Claims, characterized
in that said middle portion is slanted at an angle from 5° to 15° with respect to
the front portion.
5. An inflatable boat, according to one or more of the preceding claims, characterized
in that said front portion is substantially parallel to said rear portion.
6. An inflatable boat, according to one or more of the preceding claims, characterized
in that said middle portion meets with said front portion with a front fitting convexity
which is upwardly turned and meets with said rear portion with a rear fitting convexity
which is downwardly turned.