U.S. patent number 3,793,653 [Application Number 05/254,048] was granted by the patent office on 1974-02-26 for one-piece plastic pool.
This patent grant is currently assigned to Carolina Enterprises, Inc.. Invention is credited to Bertram Brooks.
United States Patent |
3,793,653 |
Brooks |
February 26, 1974 |
ONE-PIECE PLASTIC POOL
Abstract
A one-piece plastic pool having a slide for enabling a child to
descend to the bottom of the pool. Means is provided integral with
the pool for enabling a child positioned on the bottom of the pool
to position himself at the top of the slide without leaving the
pool.
Inventors: |
Brooks; Bertram (Yonkers,
NY) |
Assignee: |
Carolina Enterprises, Inc.
(Tarboro, NC)
|
Family
ID: |
22962734 |
Appl.
No.: |
05/254,048 |
Filed: |
May 17, 1972 |
Current U.S.
Class: |
4/513; 472/117;
D21/815 |
Current CPC
Class: |
E04H
4/0037 (20130101); E04H 2004/0068 (20130101) |
Current International
Class: |
E04H
4/00 (20060101); E04h 003/16 (); E04h 003/18 () |
Field of
Search: |
;4/172,172.11,172.19
;272/56.5 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Artis; Henry K.
Claims
I claim:
1. A recreational article comprising a one-piece unitary pool
structure including a front, a bottom, first and second opposed
sides, an end spanning said sides and a front extending between
said sides and spaced from said end, a slide for enabling a child
to descend to said bottom, said slide being spaced between said
first and second sides and having longitudinally opposed first and
second edges, a first elevating means extending between the first
edge of said slide and the first side, a second elevating means
extending between said second edge of said slide and said second
side, said first and second elevating means extending from the pool
bottom to positions adjacent the uppermost portion of said
slide.
2. An article according to claim 1 wherein said first and second
elevating means are identical to each other.
3. An article according to claim 1 further including a
substantially horizontal entrance way extending inwardly from said
front to said slide, a first platform positioned adjacent the
uppermost portion of said first elevating means and adjacent one
portion of said entrance way to provide a means of egress from the
uppermost portion of said first elevating means to said entrance
way.
4. An article according to claim 1 wherein said first and second
elevating means are raised relative to said slide.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention
One-piece pool having a slide for enabling a child to safely slide
into the water contained in said pool.
2. Description of the Prior Art
With the recent advances in thermoforming technology many toy
manufacturers have placed on the market small, e.g. 6 feet or less
in cross section, one-piece plastic wading pools. Originally these
pools were designed solely to enable a child to climb into the
interior thereof and enjoy the water contained therein. Usually the
walls of the pool were approximately 1 foot in height enabling
older children to enter and leave the pool with a minimum of
difficulty. Pools such as these have encountered extremely
widespread popularity as many homeowners keep a pool of this type
in their backyard for their children to enjoy. Additionally, many
apartment dwellers whose apartments have balconies have placed a
pool of the type hereinbefore described on their balcony to enable
their children to enloy the same.
Recently a pool was introduced on the market of the type
hereinbefore described which includes a slide for enabling a child
to slide into the body of water contained in said pool.
Specifically, the pool includes a horizontal entrance way leading
to the slide with the sides of the entrance way and slide being
spaced from the side walls of the pool.
The aforesaid pool was provided with a ladder for enabling a child
to position himself on the entrance way leading to the slide prior
to utilizing the slide to descend into the pool. The prior art pool
utilizing a slide as hereinbefore described had several drawbacks
which made it undesirable in certain respects. One of the drawbacks
of said pool was that there was a sharp drop from the edges of the
slide to the bottom of the pool. This was undesirable since a child
utilizing the pool and sliding on the slide could fall over the
edge thereof and drop to the bottom of the pool. A further drawback
of the aforesaid prior art pool utilizing a slide was that after a
child had descended the slide to the bottom of the pool it was
necessary to climb over a side of the pool to then make use of the
ladder to repeat the cycle. While this did not present any
difficulties with older children, it was frequently difficult for
younger children in that they were unable to easily climb over a
side of the pool.
SUMMARY OF THE INVENTION
Purposes of the Invention
It is, therefore, an object of the present invention to provide an
improved one piece plastic pool having a slide.
Still a further object of the present invention is to provide an
improved one piece plastic pool having a slide for enabling a child
to slide into water contained in the pool with means being provided
for preventing a child from falling off the edges of the slide.
Another object of the present invention is to provide an improved
one piece plastic wading ppol having a slide for enabling a child
to descend into water contained in said pool with means being
provided for enabling a child after having used the slide to reuse
the same without having to climb over a side of the pool.
Yet a further object of the present invention is to provide an
improved one piece plastic pool having a slide that can be
manufactured by high speed thermoforming techniques.
BRIEF DESCRIPTION OF THE INVENTION
In accordance with the present invention, the foregoing and other
objects are achieved by a one piece unitary structure plastic pool
having an entrance way which extends horizontally and laterally
inwardly from a portion of the periphery of said pool. A slide
descends downwardly from the edge of the entrance way furthest from
the periphery of said pool to the bottom of said pool. Ramps flank
said slide at opposed edges thereof and extend to the bottom of the
pool. The ramps are slightly elevated with respect to said slide
with a wall extending between the opposed declining edges of the
slide and the respective adjacent edges of the ramps. Thus it can
be seen that the slide is recessed relative to the ramps and
flanked by said ramps. Decorations are embossed on the ramps and
serve a purpose that will soon be apparent. Formed in the pool at
the front thereof is a step structure which is arranged to enable a
child to ascend from the ground directly on to the entrance way.
Flanking the entrance way and substantially coplanar therewith at
the uppermost portion of each of the ramps are horizontal
platforms.
In utilizing the pool of the present invention a child ascends the
step structure of the pool and positions himself on the entrance
way. The child then slides into the pool via the slide with the
ramps preventing the child from falling off the side of the slide
and possibly injuring and/or scaring himself. After the child has
reached the bottom of the pool via the slide he can then crawl up
either one of the ramps to a platform prior to moving to the
entrance way and again sliding into the pool. The embossed
decorations on the ramps enable the child to ascend said ramps
without sliding down the same.
In another embodiment of the present invention a ladder is provided
which is not integral with the pool structure.
Other objects of the invention will be pointed out hereinafter.
The invention accordingly consists in the features of construction,
combination of elements and arrangement of parts which will be
exemplified in the pools hereinafter described and of which the
scope of application will be indicated in the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS
In the drawings wherein like parts in the different figures are
identified by the same reference numeral:
FIG. 1 is a top plan view of a pool according to the present
invention;
FIG. 2 is a sectional view taken substantially along the line 2--2
of FIG. 1;
FIG. 3 is a sectional view taken substantially along the line 3--3
of FIG. 1;
FIG. 4 is a perspective view showing the ladder structure of an
alternate embodiment of the present invention;
FIG. 5 is a sectional view taken substantially along the line 5--5
of FIG. 4;
FIG. 6 is a perspective view of the ladder structure of an
alternate embodiment of the present invention; and
FIG. 7 is a sectional view taken substantially along the line 7--7
of FIG. 6.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
In FIG. 1 of the drawings a pool 10 according to the present
invention is shown with said pool being generally oblong in
configuration. All portions of the pool are integral with each
other. The pool is made from plastic and, preferably, by any of the
conventional thermoforming techniques that are presently available
to the skilled mechanic. Pool 10 includes elevated sides 12 and 14
which are parallel and in registry with each other. An end 16 spans
registered portions of sides 12 and 14 with the mid-portion of end
16 being perpendicular to each of said sides. Front portion 18 of
the pool 16 spans the portions of sides 12 and 14 furthest from end
16 and extends for the height of the pool. The entire periphery of
pool 10 (sides 12 and 14, and 16 and front 18) has a slight draft
as is conventional.
Pool 10 includes a flat bottom 22 which extends from the
approximate mid-point of sides 12 and 14 to end 16.
The upper portions of sides 12 and 14 as well as end 16 are turned
over to form a flange which depends a short distance downwardly
from the upper portion of each of the aforementioned parts. The
turned over portion of front 18 extends downwardly and outwardly to
ground level for a reason soon to be apparent.
A step structure 24 is located on pool front 18 and is
symmetrically positioned with respect to sides 12 and 14. Step
structure 24 includes a substantially vertical, slightly inclined,
wall 26 which extends upwardly from the bottom of front 18.
Extending inwardly from the upper portion of wall 26 is a
horizontal step 28. Step 28 extends inwardly past a portion of
front 18. Extending upwardly from step 28 is a wall 30 which is
parallel to wall 26. The portion of pool front 18 which does not
define step structure 24 adjacent said structure is smoothly
blended into the walls 26 and 30 and step 28 so as to provide an
attractive appearing pool.
An outwardly projecting lip is on the bottom of front 18 as can be
seen in FIG. 2.
Projecting inwardly from the upper portion of wall 30 and at the
same elevation as the uppermost portion of the front and sides of
pool 10 is a horizontal entrance way 32. Entrance way 32 is
symmetrically located with respect to sides 12 and 14. Ribs 34
extend transversely across entrance way 32 and are perpendicular to
sides 12 and 14 and parallel to end 16. Ribs 34 serve a twinfold
purpose; namely, to increase the strength of entrance way 32 and to
minimize the chances of a child slipping thereon.
Extending downwardly and away from entrance way 32 is a slide 36
which leads to pool bottom 22. Preferably the inclination of slide
36 is selected so that a child can slide thereon into the bottom of
the pool at a safe velocity. Flanking entrance way 32 at a slightly
lower elevation are identically configured horizontal platforms 38
and 40. As can be seen in the drawings, platforms 38 and 40 extend
slightly past entrance way 32. A plurality of inclined parallel
ribs 42 are located on platform 40. Ribs 42 make an included acute
angle if extended with side 14. In a similar fashion a plurality of
inclined parallel ribs 44 are located on platform 38 and would
define, if extended, an included acute angle with respect to side
12.
Extending downwardly to pool bottom 22 from platform 40 is an
inclined ramp 46 which extends inwardly from side 12.
A ramp 48, which projects inwardly from side 14, extends from
platform 38 to pool bottom 22 and is identically shaped and
configured as ramp 46. The bottommost extremities of ramps 46 and
48 are closer to end 16 of pool 10 than is the bottommost portion
of slide 36. Slide 36 is flanked between ramps 46 and 48 and is
slightly lower than said ramps with walls 46a and 48a extending
from the portions of ramps 46 and 48 closest to slide 36 to the
longitudinal edges of said slide. As can be seen in the figures,
the slope of slide 36 is slightly greater than the slope of ramps
46 and 48.
A raised flagstone pattern is located on pool bottom 22 as well as
on ramps 46 and 48.
Vertical ribs extend from the upper portion of end 16 of pool 10 to
the bottom of said pool and add rigidity to the pool. Additionally,
vertical ribs extend from the upper portion of sides 12 and 14 of
said pool to the bottom of the pool for those portions of said
sides extending upwardly from the pool bottom. Vertical ribs extend
from the upper portion of sides 12 and 14 which are adjacent ramps
46 and 48, respectively, to said ramps, with it being appreciated
that going from the portion of said ramps closest to end 16 to the
front of said pool said ribs decrease in height. Vertical ribs are
located on front 18 and on vertical wall 26.
In utilizing the pool of the present invention said pool is filled
with water. The amount of water that is added to the pool can be
selected in accordance with the age and size of the child utilizing
the same and can be varied as will be appreciated by those having
skill in the art. After the pool has been filled with water it is
ready for use. Normal use of the pool would consist of a child
climbing up the step at the front of the pool, positioning himself
on entrance way 32 and descending slide 36 into the bottom of the
pool and the water contained therein. Ramps 46 and 48 prevent the
child from falling off the sides of slide 36 to the bottom of the
pool and thus constitute a safety feature. In addition, it should
be noted that when the child has finished his descent on slide 36
it is not necessary for him to climb out of the pool to ascend to
entrance way 32. The child can ascend either of ramps 46 or 48 and
via either platform 40 or 38 move to entrance way 32 so as to be in
a position for making further use of slide 36. It should be noted
that it is relatively easy for a child to ascend ramps 46 and 48
since a flagstone pattern is embossed thereon.
The ribs on platforms 38 and 40, aside from adding rigidity to the
pool, provide excellent friction surfaces and, hence, minimize th
chances of a child slipping on said platforms prior to moving to
entrance way 32. In a similar fashion, the ribs on entrance way 32
provide an excellent friction surface to prevent a child from
unintentionally sliding off said entrance way. If a child should
accidentally fall off the sides of entrance way 32 he will descend
onto platforms 38 and 40 which are immediately adjacent and
slightly below said entrance way so that there will be no sharp
descent as a result of which the child can injure himself.
The flagstone on bottom 22 assists in preventing unwanted falls.
The turned over pool front besides providing a step structure
assists in preventing the pool from tipping.
In FIG. 4 of the drawings a further embodiment disclosing pool 100
of the present invention is shown, and said embodiment is identical
to the embodiment disclosed in connection with FIG. 1 except as
hereinafter described. It is noted that the ribbing shown in FIGS.
1 through 3 is not shown in FIG. 4 nor is the raised flagstone
pattern of FIGS. 1 through 3 shown in FIG. 4. It is, of course, to
be appreciated that the ribbing and raised flagstone pattern could
be used in the embodiment of the invention shown in FIG. 4 if
desired. The front of pool 100 does not include a turned down
flange extending to ground level having a step. The flange at the
upper portion of the sides of the pool extends around the front
thereof at a constant elevation above the ground. Extending
inwardly from the flange at the pool front is a narrow ladder
securing means 101 which is slightly above entrance way 32 and
leads to the same. Ladder securing means 101 is the same width as
entrance way 32 and is flanked by ramps 38 and 40. Extending
through the means 101 at the front of pool 100 are spaced-apart
holes 102 and 104. Inverted U-shaped ladder supports 106 and 108
are provided with one leg of each of said ladder supports extending
through a different one of holes 102 and 104.
A cross-rod 110 is provided and is positioned immediately beneath
the portion of pool 100 forming holes 102 and 104 which rests
thereon to prevent the pool from tipping. Rod 110 is connected to
registered portions of the legs of ladder supports 106 and 108
immediately beneath ladder securing means 101 at the front of pool
100. The means of fastening cross-rod 110 to the respective legs of
ladder supports 106 and 108 can be conventional.
It should be noted that whatever means is utilized to connect said
cross-rod to ladder supports 106 and 108 the connection should be
rigid and ensure that cross-rod 110 is immediately beneath means
101 to support the same. A step 112 is provided and includes two
holes 114 and 116. The remaining leg of ladder support 108 extends
through hole 116 and the remaining leg of ladder support 106
extends through hole 114. Conventional means is provided for
preventing step 112 from moving relative to ladder supports 106 and
108 and for securing the step in a position to enable a child to
ascend to entrance way 32.
The manner of utilizing the pool disclosed in FIGS. 4 and 5 is the
same as that disclosed in FIG. 1 except that the ladder structure
is not integral with the pool and for a child to initially ascend
to entrance way 32 said child must climb step 112.
In the embodiment of the invention shown in FIGS. 6 and 7 the pool
structure per se is the same as that shown in FIG. 4 with the only
change being in the ladder structure for enabling a child to ascend
to entrance way 32. The structure which forms the ladder for the
pool shown in FIG. 6 consists of metal bar sections 202 and 204
which can be hollow if desired. Metal bar section 202 includes
parallel ground level supports 202a and 202b which are in registry
with each other and of the same length. Ground level support 202a
includes a free end and extending upwardly from the other end
thereof is a vertical support 202e that extends to a pool support
202c which is positioned immediately beneath ladder securing means
101. Ladder securing means 101 rests thereon to prevent the pool
from tipping. It is to be appreciated that vertical support 202e
and ground level support 202a are perpendicular and in the same
plane. Pool support 202c is perpendicular to vertical support 202e
and is coplanar therewith. An additional vertical support 202d
extends upwardly from ground level support 202b to pool support
202c and is perpendicular thereto and coplanar therewith.
Vertical supports 202d and 202e are the same height, parallel to
each other while being in registry with each other. A pair of holes
extend through ladder securing means 101. In a similar fashion a
pair of holes extend vertically through pool support 202c with the
holes in said pool support being in registyr with the holes in
ladder securing means 101.
Metal bar section 204 consists of two ground level supports 204a
and 204b, respectively, which are parallel to each other, the same
length and in registry with each other. Ground level support 204a
is in alignment with ground level support 202a whereas ground level
support 204b is in alignment with ground level support 202b. Ground
level support 204a includes a free end and extending upwardly from
the other end thereof is a vertical support 204c. Vertical support
204c is approximately one half the height of vertical support 202e
and is parallel thereto and in contact therewith. Means is provided
for securing vertical supports 204c and 202e to each other and said
means can be conventional.
It is noted that ground level supports 204a and 202a and vertical
supports 202e and 204c are coplanar.
Extending perpendicularly away from the uppermost portion of
vertical support 204c is a step bar 204d which extends to the upper
portion of a second vertical support 204e. Vertical support 204e
extends upwardly from the non-free end of ground support 204b and
is the same height as vertical support 204c. Vertical support 204e
is in contact with vertical support 202d and secured thereto by any
conventional securing means. It is to be appreciated that while
metal bar sections 202 and 204 are shown as each being of unitary
construction that this is optional and is only a preferred method
of construction. Ground level supports 204b and 202b and vertical
supports 204e and 202d are all coplanar.
A spherical gripping knob 206 which includes a central vertical
opening 206a having an enlarged recessed upper portion is
positioned so that said opening is over one of the holes in means
101. A threaded bolt 208 is positioned so that its head is received
in the recessed upper portion of knob 206 and its shank extends
through opening 206a and through one of the openings in ladder
securing means 101 and one of the openings in pool support 202c. A
nut 210 is in threaded engagement with the bottom portion of the
shaft of bolt 208 and is tightened so that knob 206 and pool
support 202c press against the opposed surfaces of ladder securing
means 101. Knob 212, identical to knob 206, includes identical
supporting structure for also securing support 202c to ladder
securing means 101.
In ascending the pool shown in FIG. 6 a child places a foot on step
204d and grips knob 206 and 212. The child then boosts himself onto
entrance way 32 and utilizes the pool as described in the fist
embodiment of the invention. It is to be appreciated that in
utilizing the pool of FIG. 6 that once the child has ascended to
entrance way 32 that it is not necessary for the child after having
utilized the slide to climb out of the pool to again utilize said
slide. The reason for this is that the child can use the ramps to
position himself at entrance way 32 prior to descending slide
36.
It thus will be seen that there is provided a one-piece plastic
pool which achieves the various objects of the invention and which
is well adapted to meet the conditions of practical use.
As various possible embodiments might be made of the above
invention, and as various changes might be made in the embodiment
above set forth, it is to be understood that all matter herein
described or shown in the accompanying drawings is to be
interpreted as illustrative and not in a limiting sense.
* * * * *