Note: Descriptions are shown in the official language in which they were submitted.
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Description
MULTI-FUNCTIONAL BOARD
Technical Field
[1] The present invention relates to a board and more particularly to a multi-
functional
board, of which advancing direction can be freely changed according to a
user's
convenience and of which thrust force can be improved.
[2]
Background Art
[3] Figures 1 and 2 illustrate a perspective view of a conventional board.
More
specifically, Figure 1 shows a perspective view of a conventional skateboard
and
Figure 2 shows a perspective view of a conventional snow board.
[4] Referring to Figure 1, the conventional skate board 10 includes a plate 11
in the
long-oval shape and a pair of wheel-sets 12 and 13, each of which has a pair
of rollers.
This type of the conventional skate board 10 can be advanced by the user's
kicking
motion on the ground. When turning the advancing direction of the skate board,
the
direction change can be attained by the user who tilts the skate board to
either leftward
or rightward relative to the advancing direction using his/her foot on the
skate board.
[5] However, the conventional skate board 10 has a problem in that it is not
possible to
advance the skate board without the user's kicking on the ground while running
in a
straight direction. Also, it is another problem in that while turning the
skate board, the
wheel-sets 12 and 13 may come into contact with the plate 11 if the plate 11
is over-
tilted sideward exceeding a certain tilt angle.
[6] Referring to Figure 2, the conventional snow board 20 includes a plate 21,
both
ends of which upwardly bent, and a pair of clamps 221ocated in a middle
portion of
the snow board so as to enable the user's shoes to be clamped. In the
conventional
snow board 20, when the user starts to descend from a mountain or a hill with
a certain
inclination, he/she shifts his/her center of gravity forward so as to maintain
descending
speed. Here, if the user tries to turn the direction, it leads to a state in
that one end of
the snowboard locates above the snow, while the other end of the snowboard
locates
beneath the snow.
[7] The conventional snow board 20 has a problem in that when the user tries
to turn
the direction, a radius of turning is limited according to the degree that the
one end of
the snow board locates beneath the snow. Further, since the user tends to
periodically
impart force to his/her own under part of body when he/she tries to change
direction
while descending, fatigue in the snow board 20 increases and results in
shortage of life
span thereof.
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[8] As described herein before, the conventional board has problems in it is
not easy to
change the advancing direction according to the user's intention and the
turning radius
is limited.
[9]
Disclosure of Invention
Technical Problem
[10] The present invention is provided in order to solve the above-described
problems,
and it is an object of the present invention to provide a multi functional
board making
it possible to facilitate direction change and to improve thrust force with
ease.
[11] The other objects and advantages of the present invention will be
detailed herein
below and more fully understood by way of embodiments. Also, the objects and
the
advantages of the present inventions may be realized by means and combinations
thereof as set forth in claims.
[12]
Technical Solution
[13] A multi-functional board disclosed comprises: front and rear plates
enabling a user
to put his/her foot thereon and separately disposed from each other; and, at
least a
resilient member connecting said front and said rear plates to each other and
capable of
being bent or twisted.
[14] Here, said resilient member preferably includes a plurality of leaf
springs, which are
equidistantly disposed in a widthwise direction of said front and said rear
plates. The
resilient member, however, may include synthetic resin material.
[15] It is preferable that said plurality of the leaf springs are formed with
extended holes
at both ends so as to enable said plurality of leaf springs to be moved
forward and
backward in a lengthwise direction, and that the multi-functional board
further
comprises: connecting bars extended in an intersecting direction with respect
to said
plurality of the leaf springs; fixing brackets for securing said connecting
bars to said
front and said rear plates, respectively; and, springs for preventing said
plurality of the
leaf springs from being freely moved, one end of each of which is secured to
respective
ends of said plurality of the leaf spring and the other end of each of which
is secured to
either said front or said rear plate.
[16] It is also preferable that the multi-functional board further comprises
directional
casters for making said front and said rear plates advanced, which are mounted
on
bottom surfaces of said front and said rear plates, respectively.
[17] Also, the multi-functional board may further comprise boot clamps, which
are
attached on upper surfaces of said front and said rear plates, respectively.
[18] Also, it is preferable that outer ends of said front and said rear plates
are smoothly
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inclined in an upward direction, respectively.
[19] Also, it is preferable that the resilient member includes foldable
elastic material.
Here, the resilient material may includes synthetic resin material, but not
limited
thereto.
[20]
Advantageous Effects
[21] Above described multi functional board according to the present invention
has
following advantageous effects.
[22] First, since the multi-functional board has the front and the rear plates
connected
only by the resilient members, it can be bent or twisted in every direction by
the user
according to his/her will and such bending and twisting operation can be simul-
taneously achieved.
[23] Second, the multi-functional board may be easily advanced if the user
only bends
the front plate leftward and rightward.
[24] Third, it is possible to obtain stability by elastic restoration force by
means of the
resilient members.
[25]
Brief Description of the Drawings
[26] Figure 1 is a perspective view illustrating an example of the
conventional board.
[27] Figure 2 is a perspective view illustrating another example of the
conventional
board.
[28] Figure 3 is a perspective view illustrating an embodiment of a multi-
functional
board according to the present invention.
[29] Figure 4 is a cross-sectional view illustrating the multiple-functional
board as il-
lustrated in Figure 3.
[30] Figure 5 is a perspective view illustrating another embodiment of a multi-
functional
board according to the present invention.
[31] Figure 6 is a cross-sectional view taken along a line VI-VI of Figure 5.
[32]
Best Mode for Carrying Out the Invention
[33] An embodiment according to the present invention will be more fully
described
hereinafter.
[34] Figure 3 is a perspective view of an embodiment of a multi-functional
board
according to the present invention, and Figure 4 is a cross-sectional view of
the multi-
functional board as shown in Figure 3.
[35] As may be seen from the drawings, a multi-functional board 100 of the
present
invention comprises: front and rear plates 110 and 120 enabling a user to put
his/her
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foot thereon and separately disposed from each other; and, at least a
resilient member
connecting the front and the rear plates 110 and 120 to each other and capable
of being
bent or twisted.
[36] Further, the multi-functional board 100 may further comprise directional
casters
140, which are mounted to bottom surfaces of the front and the rear plates 110
and
120, respectively.
[37] As to the resilient member, more specific description will be given
herein below.
[38] The resilient member comprises a plurality of leaf springs 130, which are
equidistantly disposed in widthwise direction of the front and the rear plates
110 and
120.
[39] It is preferable that, at both ends of the leaf spring 130, the leaf
spring 130 is formed
with extension holes 134, which are laterally extended. With the extension
holes 134
formed, the plurality of the leaf springs 130 can move in a lengthwise
direction.
[40] The plurality of the leaf springs 130 are connected to each other by a
pair of
connecting bars 132, which extends in an intersecting direction with respect
to the
resilient members 130 at their respective ends.
[41] The pair of the connecting bars 132 are fixed to the front and the rear
plates 110 and
120, respectively, by means of fixing brackets 131.
[42] In order to prevent the plurality of the leaf springs 130 with the
extension holes 134
from being freely moved in the lengthwise direction, there may be provided
with
springs 133, one end of each of which is secured to respective ends of the
plurality of
the leaf spring 130 and the other end of each of which is secured to either
the front or
the rear plate 110 and 120.
[43] Although not illustrated in the drawings, the plurality of the leaf
springs 130 may be
surrounded by protection tube, which is made of flexible material.
[44] The front and the rear plates 110 and 120 of the multi-functional board
100 may be
connected to each other only by the above-stated resilient members, even
without such
load-bearing members as pipes.
[45] If the additional load-bearing members are included, the user will not be
able to
easily perform the direction change of the multi-functional board because the
radius of
the turning is significantly restricted. Further, since the user cannot bend
the front and
the rear plates 110 and 120 of the multi-functional board, he cannot advance
the multi-
functional board with ease.
[46] However, multi-functional board 100, in which the front and the rear
plates are
connected to each other only by the resilient members, has advantages in that
the front
and the rear plates 110 and 120 are capable of being bent or twisted in every
direction,
and in that such bending and twisting can be done at the same time.
[47] Further, the multi-functional board 100 can be easily advanced if the
user only
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bends the front plate 1101eftward and rightward.
[48] Herein below, another embodiment of the multi-functional board according
to the
present invention will be detailed.
[49] Figure 5 is a perspective view of another embodiment of the multi-
functional board
according to the present invention and Figure 6 is a cross-sectional view
taken along a
line VI-VI of Figure 5.
[50] As may be seen from the drawings, the another embodiment of the multi-
functional
board 200 according to the present invention comprises: front and rear plates
210 and
220 enabling a user to put his/her foot thereon and separately disposed from
each
other; and at least a resilient member connecting the front and the rear
plates 210 and
220 to each other and capable of being bent or twisted.
[51] Here, it is preferable that the multi-functional board 200 further
includes boot
clamps 240 and 250 attached to upper surfaces of the front and rear plates, re-
spectively.
[52] Also, it is preferable to have outer both ends of the front and the rear
plates 210 and
220 smoothly inclined in an upward direction, respectively.
[53] Followings are specific description regarding the resilient member.
[54] The resilient member comprises a plurality of leaf springs 230, which are
equidistantly disposed in a widthwise direction of the front and the rear
plates 210 and
220.
[55] It is preferable that, at both ends of the leaf spring 230, the leaf
spring 230 is formed
with extension holes 234, which are laterally extended. With the extension
holes 234
formed, the plurality of the leaf springs 230 can move in a lengthwise
direction.
[56] The plurality of the leaf springs 230 are connected to each other by a
pair of
connecting bars 232, which extends in an intersecting direction with respect
to the
resilient members 230 at their respective ends.
[57] The pair of the connecting bars 232 are fixed to the front and the rear
plates 210 and
220, respectively, by means of fixing brackets 231.
[58] In order to prevent the plurality of the leaf springs 230 with the
extension holes 234
from being freely moved in the lengthwise direction, there may be provided
with
springs 233, one end of each of which is secured to respective ends of the
plurality of
the leaf spring 230 and the other end of each of which is secured to either
the front or
the rear plates 210 and 220.
[59] Also, the plurality of the leaf springs 230 may be surrounded by a
protection tube
235, which is made of flexible material.
[60] Further, those skilled in the art may understand that although the
plurality of the
leaf springs 230 are employed as the resilient members, either coil springs or
synthetic
resin material may be alternatively used, which has sufficient strength and
bending or
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twisting capability.
[61] While the present invention has been particularly shown and described
with
reference to exemplary embodiments thereof, it will be understood by those of
ordinary skill in the art that various changes in form and details may be made
therein
without departing from the spirit and scope of the present invention as
defined by the
following claims.
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