Галерея 3091220

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Галерея 3091220
y 1963 A. H. WILLINGER ET AL 3,091,220
AQUARIUM ASSEMBLY 2 Sheets-Sheet 1 Filed Aug. 10, 1959 FIG. 2
INVENTORS 444 .4A/ 5! 044/ y 1963 A. H. WILLINGER ET AL 3,091,220
AQUARIUM ASSEMBLY Filed Aug. 10, 1959 2 Sheets-Sheet 2 4 W2; Z4 1% M a V F77 mu Z5 *M FIG.4
3,091,220 AQUARIUM ASSEMBLY Allan H. Willinger, 56 Gail Drive, and Harding W. Willinger, 16 Stoney Run, both of New Rochelle, N.Y. Filed Aug. 10, 1959, Ser. No. 832,747 3 Claims. ((11. 1195) This invention relates to an aquarium assembly.
It is an object of this invention to provide an aquarium for containing an exhibiting tropical fish, and more particularly to provide an aquarium formed of a thermoplastic material which is capable of efficiently holding and attractively displaying the contents thereof and to resist the deleterious effects and pressures involved when used with a substantial quantity of water in conjunction with the usual aquarium contents such as gravel and accessory aquarium equipment.
It is also arr object of this invention to provide an aquarium arrangement which is assembled from a number of units formed of a molded synthetic resin and which Provides an attractive appearance without the use of excessive material and in an improved manner.
It is an additional object of this invention to provide an aquarium arrangement of the character indicated wherein means are provided for supporting the tank unit in an efficient manner which, among other features, provides for the reinforcement of the tank unit as well as protection to the underlying support upon which the aquarium may be placed.
This invention has for its object the provision of an aquarium arrangement of the character indicated wherein the tank unit is formed of a thermoplastic material in such manner as to be capable of withstanding the temperatures and pressures involved without undesired bulging or deformation of the configuration thereof.
It is a further object of this invention to provide an aquarium arrangement of the character indicated with a cover unit which may be readily disposed upon or removed from the tank unit without dripping and in an efficient and convenient manner and which serves to conserve water and give access to the interior of the aquarium tank when desired, said cover also serving as a support for an illuminating means whereby the aquarium contents may be attractively displayed without adversely affecting the parts of the assembly or the contents thereof.
It is also among the objects of this invention to provide an aquarium tank unit with a cover arrangement formed of a thermoplastic material having an illuminating means disposed therein which is capable of functioning efiiciently in spite of heating or evaporating effects due to the heat generated by the illuminating means or other factors and which also provides for efiiective ventilation of the aquarium tank.
Other and further objects of this invention will become apparent from the description thereof contained in the annexed drawings, specifications and claims or will otherwise become obvious. It will be understood that the invention herein disclosed may be employed for other purposes to which the structure and arrangement are adapted.
FIGURE 1 is a perspective View of a form of the present invention;
FIGURE 2 is a cross-sectioned view taken about the line 22 of FIGURE 1, with parts broken away for purposes of illustration;
FIGURE 3 is a fragmentary view depicting in perspective a corner portion of the tank employed in the aforesaid form of the invention and a corresponding portion of the cover used in conjunction with said tank, the said cover being shown in an upright position with respect to the tank, as when lifted away therefrom;
3,091,220 Patented May 28, 1963 FIGURE 4 is a fragmentary elevational view, on an enlarged scale, as seen from line 4-4 of FIGURE 1;
FIGURE 5 is a bottom view, on an enlarged scale, of the cover employed in the said form of the invention;
FIGURE 6 is a fragmentary cross-sectional view taken about the line 66 of FIGURE 4 and also depicting a displaced position of the horizontal panel employed in the aforesaid cover in broken lines;
FIGURE 7 is a perspective view of the base employed in the said form of the invention; and
FIGURE 8 is a cross-sectional view taken about the line 8--S of FIGURE 7.
The accompanying drawings illustrate a preferred embodiment of the aquarium assembly comprising the present invention. Said assembly comprises a tank portion designated generally by the numeral 11 which is removably mounted upon the base designated generally by the numeral 1t) and surmounted by a cover member designated generally by the numeral 12.
The base member 10 of the instant aquarium assembly comprises a framed hollow grid which is defined by a rectangular frame 13. Said frame 13 is in the general form of an inverted U-shaped channel member having an exterior generally vertically dis-posed face 14 and similarly disposed interior faces 15 and 16. The interior and exterior faces are connected by means of the horizontal face portion 17. Upright cross-members 18 and 19 extend from the bottom of the frame to the bottom of said interior inclined and vertical faces 15 and 16 and also to the internal surfaces 14a, 15a and 16a of said inclined, vertical and horizontal faces, the said upright cross-members being formed integrally with the said inclined, vertical and horizontal faces. These crossmembers comprise a supporting and reinforcing grid work for the tank and base frame as will more clearly appear.
As may be seen in FIGURES 2 and 7, upright crossmember 19 is discontinuous at its center portion, thereby providing aperture 19a which may function to engage a suitable projection on any surface supporting said base. In this manner, accidental displacement of the base may be minimized. Moreover, such discontinuity also permits a certain amount of expandability of the base, as is hereinafter described. The entire base 10 is advantageously formed as one piece composed of any substantially rigid material, such as a molded plastic and is preferably opaque.
The lower portion of the tank 11 is removably received Within the rectangular frame of the base 10 as defined by the vertically disposed interior faces 15 and 16 thereof and rests upon the upper edges of the grid work comprising the cross-members 18 and 19.
It will be noted that by reason of the foregoing arrangement, the tank, when the aquarium is assembled, rests within the confines of the base frame, a certain degree of locking engagement occurs between the base and tank. This locking action is due to the slight bulging or dilation of the walls of the lower portion of the tank when filled with water which causes the exterior wall portions of the tank to bear against and frictionally engage the interior base frame walls. The tank and base may be readily assembled by placing one without the other. However, when filled with water, the locking action referred to above permits the entire assembly to be readily moved as a unit by grasping the tank portion only. The frictional engagement between the aforesaid walls prevents accidental separation while permitting ready disengagement of the aquarium elements when desired. In this connection, it will be noted that the discontinuity of the upright cross-member 19 facilitates the seating of the tank in the base since such discontinuity allows for expansion of the short-er end portions 13a of the frame 13, when said end portions are subjected to pressure by the optical characteristics of the tank walls.
the tank. Similarly, said'end portions 13a are expandtangular pyramid. Said tank is advantageously formed of a molded-plastic material and is of course transparent to 'permit the contents of the tank to be viewed. The
walls of the tank are subjected toconsiderable pressure when filled with water and the resulting outward curvature which is more pronounced in the upper or mouth region of the tank would of course materially affect the light transmission characteristics of the walls of the tank and may result in optical distortion to :a viewer of th'e contents. 'Since 'the most significant :function of an aquarium is to exhibit the contents inmost advantageous form, this of course would almost completely destroy the utility'of a tank of this character. 'In order toprevent such outward curvature or bulging action and the resultant distortion, as well as to eliminate the possibility of V the :fracture of the plastic material of the tank walls under thepressureofthe water, the tank walls could of course be increased in thickness. However, such increase in thickness would result in excessivecost and weight for the tank and would in many instances undesirably affect In order to overcome this difficulty, the walls of the tank are initially formed or molded with an inwardly directed curvature.
'This'jco 'ncavity is more pr-onounced'inthe region of the top ofjthe tank. Thus, under the pressureof the water, theftarlk wallsare forced outwardly and assume planar positions'so as to provide for maximum aesthetic appeal 'and 'optical "efliciency' and safely retain the tank contents without excessive wall thickness. In order to provide for further reinforcement'of the'lupper' wall portions and" to prevent distortion orlbu'lging'of the-tank walls by the lateralipressureof the water, the rrnouthor or the tank' isals'o provided with airectangular flange 20 having "adepending'yertioal lip 21, the said lip definingja continuous' perimeti'ic groove 2 2" between the flip and the adjaeent external surfacesof the wallsofthe 'I-he rectangular flange 20 thus provides anadditional stiffening and rinforcingfmeans for the which makes possible "the use of relatively thin'tank walls whileirnaintaining walls inirp'lanar disposition during use. j'Ilhis flange .also forms a convenient hand giwipj to permit the tank to "be lifted Treadilyjandwithout danger of slippage even when 'with water. The flangelfl has a'diurther 'fu'ncfion in coniiec'tion with the coverhnentber vvhich hereinatter be pointed out. It should be 'notedthatthelower po nting: the tank is supported against 'un-desired outward expansion or by contact with the -interior faces 15 of the 'base, as heretofore indicated.
The cover portion 12 'of the aquarium assembly is removably disp osed upon' the 't 'op or' open mouth of the aquarium. Said covercom'prises ahousing 29"from the lower edge of which an integrally formed substantially horizontally disposed marginal portion 24exte'nds. 'The peripheral edgeof said marginal portion'is formed with a as an integral unit.
The-housing portion 29 of the cover 12 is formed with substantially vertical side walls'30 and 31 and an arcuate topwall portion 32.. The rearwardly directed portion of the housing isprovided with a medially disposed recessed portion 33 defined by converging side walls'34 which are connected by an inclined louveredwall portion 35. Said flouvered wall portion 35 is formed with a plurality of slots providing communication between the external atmos- 'phere -and' the interior of the cover overlying the mouth '4 of the aquarium tank. A horizontal flange 37 extends along the base of each of the converging side walls 34. These flanges support a removable panel 38 having an inner end 39 disposed in contact with the bottom 40 of louver 35 when the panel is disposed on the cover, as may be seen from FIGURES 4, 5 and 6.
The said panel 38 has an upper surface 41 and vertical flange 42 alignedwith the upper surface and vertical flange 25 of the cover. The interior surface of the panel is also integral with a vertical wall 43 aligned with the wall 27 of the cover, thus forming a continuum of depending peripheral channel 23 of the cover. Suitable tabs 44 are provided at the ends of the said vertical flange 42, these tabs being engageable with the adjoining inner surface of vertical flange 25. When it is desired to remove the panel 38, it is only necessaryto exert aslight spreading pressure on those portions of verticalflange 25 adjoining the vertical flange 42 of the panel. In this way, said adjoining pontions of vertical flange 25 will be separated sufliciently to allow the-tabs .to clear the ends of said portions, in which position the panel maybe removed to' the position depicted in FIGURE 5. Re-insertion of the panel in the direction indicated by the arrow in FIGURE 6, may also be accomplished by a similar spreading action followed by sliding of the panel upon the flanges'37 into contact'with the bottom of the louver, the said tabs then being disposedinteriorly of vertical flange 25. In this position, the spreading pressure maybe released with consequent securing of the panel against outward displacement cfrom the cover.
Removable panel 3-8 provides'a convenientmeans of access to the aquariumtank for the introduction of various materials into the tank as required. Thus, rood'for tropical fish may be introduced and fish, shells, sand, gravel and plants maybe readily introduced or removed as desired without disturbing the entire cover. The removal of thepanel also provides a convenient opening at the top of the tank adjacent a wall whereon suchaquarium accessories as heaters, filters or'aerators may 'be'permaner'itly mounted while maintaining the aquarium in substantially covered condition.
As heretofore indicated, the peripheral edge 'of the mar- "ginal portion of the cover is'fonmed'with a depending or downwardly directed channel 23. Said channelis'defined "by depending peripheral flange 25 and depending wall 27 whichextends'rfirom thelowerjsunface of the cover and is disposed 'in spaced relation to flange 25. Wall '27 of the channel is somewhat shorter than flange 25. A plurality of dependinglbosses 26 are disposed within the channel as thus defined. 'Said studs are disposed in spaced relation to' said (flange along the length of said channel. These studs are shorter than wall 27 of the'channel and are disposed so that when the cov'er'is positioned onthe aquarium tank the ends of the studs rest upon the upper surface of rectangular'flange zllthereof. 'Thetspacing" of thechannel' walls is greater than the transverse-dimension of the rectangular flange 20cc that whenfsaid studs rest thereon the cover is maintained in spaced relation to the tank and, air may freely circulate from the atmosphere into the interior of the space defined by the tank-and cover. arrangement prevents the settling of dust upon the water in'the tank while providing a healthy and stabilized atmosphere for the aquarium and to prevent overheating of the tank by the illuminating means, as will 'more clearly appear hereafter. In operation, a certain [amount of moisture will condense or collect upon the interior surfaces of the tank cover. This'unay be theresult of evaporation orsplattering of water due to the aeration or filtration equipment in the tank. The droplets-of water which thus form on the interior surface of the cover would normally drip and cause damage or 'rnar furniture surfaces when the cover is removed. The instant arrangement greatly reduces the possibility of such dripping action. When it is desired to remove the cover, it may be readily pivoted upon the studs resting on the rectangular flange of the tank. As the tank cover is thus inclined, the droplets of water on the interior surface thereof flow along said surface until they are arrested by the interior surface 28 of wall 27 where they drop back into the tank. The cover may then be completely removed as shown in FIGURE 3, with a minimum amount of spillage or loss of water. When the cover is in place, droplets of water are guided toward the marginal edges of the cover by reason of the curvature of the top wall of the housing. The water droplets thus tend to flow along the interior surfaces of the cover, finally dripping back into the tank along the interior surface 28 of wall 27. This prevents the escape of water from the tank, reduces the number of droplets collecting on the interior surface of the cover and helps to conserve water in the tank.
The housing 29 is also provided with an electric light socket 45 having a threaded tube 46 projecting through an aperture 30a in said housing and secured therein by a knurled nut 47, the said tube 46 receiving a suitable switching means 48 operable through said tube to open and close an electric circuit in conjunction with said socket and any light bulb received therein. An electric current may be supplied to said socket, as by a conventional electric cable 49 which extends from said socket and through a cutout 49 which extends from said socket and through a cutout 50 in a portion of the upper surface of the cover adjacent to the above-described removable panel, the said cable thence being extendable to a conventional electric plug 51 which may be inserted in an electric wall socket in the usual manner. The interior surface of housing 29 is also provided with a pair of bosses 52 which are threadedly engaged with screws 53 securing a metallic reflector 54 above the said electric light socket and in a position wherein the light of any bulb received in said socket will be directed towards the contents of the tank. The reflector being spaced from the interior surface of the housing permits the air to circulate therebetween. The reflector also serves to reflect a considerable portion of the heat generated by the lamp so that distortion of the thermoplastic material from which the cover is formed is prevented.
It has heretofore been pointed out that the cover is mounted upon the tank in such manner as to provide an air space around the periphery of the tank through which from the external atmosphere may enter or leave the aquarium area. It has also been pointed out that the housing is provided with a louver wall, which again permits circulation of air from the interior to the external atmosphere. When the illuminating means are used, the air confined between the cover and the interior of the tank is naturally heated and tends to rise, passing out to the external atmosphere through the louver slots in the housing. This causes fresh air to be drawn into said space from the external atmosphere through the air space around the peripheral rim of the tank as above described. Thus, fresh :air is continually drawn into the space above the aquarium water and caused to be expelled therefrom through the louver slots by reason of the heat generated by the lamp. Thus, the heat from the lamp causes a continuous circulation of fresh air over the surface of the aquarium water, ventilating it and preventing the temperature from rising to a point where it may have any deleterious effect upon the aquarium contents, or the material from which the aquarium assembly is formed. The ventilating action thus produced causes the temperature in the enclosed region of the aquarium assembly to be stabilized and to be maintained at a constant level. The heat generated by the lamp in effect creates a constant draft over the aquarium water, carrying away any undesirable gasses or odors which may be generated therein and assisting in maintaining the aquarium water in a fresh and aerated condition.
While we have here shown and described a preferred embodiment of our invention, it will be apparent however that this invention is not limited to this embodiment and that many changes, additions and modifications can be made in connection therewith without departing from the spirit and scope of the invention as herein disclosed and hereinafter claimed. Having described our invention what we claim as new and desire to secure by letters Patent is:
1. An aquarium tank comprising a body composed of transparent plastic material having a bottom and side walls, said side walls being formed with an inwardly directed curvature forming concave outer walls whereby when said tank is filled with liquid, th
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