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Publication numberUS3287041 A
Publication typeGrant
Publication dateNov 22, 1966
Filing dateSep 4, 1964
Priority dateSep 4, 1964
Publication numberUS 3287041 A, US 3287041A, US-A-3287041, US3287041 A, US3287041A
InventorsCohen Milton R
Original AssigneeCohen Milton R
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Fabricated corner construction
US 3287041 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

Nov. 22, 1966 R COHEN 3,287,041

FABRICAI'ED CORNER CONSTRUCTION Filed Sept. 4, 1964 FIG.

INVENTOR MILTON R. COHEN United States Patent 3,287,041 FABRICATED CORNER CONSTRUCTION Milton R. Cohen, 200 E. 71st St., New York, N.Y. Filed Sept. 4, 1964, Ser. No. 394,543 3 Claims. (Cl. 287l89.36)

This invention relates generally to a fabricated corner construction and more particularly to a rounded sheet metal corner of one-piece construction.

This invention is especially adapted for use in aquarium constructions and is an improvement over the construction in US. Patent 2,792,811, issued May 21, 1957. In the aforesaid patent, as shown especially in FIG. 2 thereof, the rounded corner is essentially of a three-piece construction consisting of member 16, metal strip 32 and small sectoral piece 34. The principal object of the instant invention is to provide a fabricated corner of one-piece construction.

Generally speaking, inaccordance with the invention, a sheet is blanked or die cut to delineate two planar surfaces each having flanges extending therefrom with one planar surface and its flange being provided with a V-shaped cutout terminating along arcuate lines with a depressed tab extending from one leg of the V. The planar surfaces may be folded at right angles with respect to one another and the flanges folded inwardly toward one another to permit the formation of a smooth corner formed on the center of curvature of the arcuate lines. The tab may be utilized to secure the fabricated corner in assembled position.

The invention accordingly comprises the features of construction, combination of elements, and arrangement of parts which will be exemplified in the construction hereinafter set forth, and the scope of the invention will be indicated in the claims.

For a fuller understanding of the invention, reference is had to the following description taken in connection with the accompanying drawing, in which:

FIG. 1 is a plan view of a sheet of material blanked or die cut as taught by the instant invention for the formation of a one-piece fabricated curved corner;

FIG. 2 is a perspective view of a one-piece curved corner folded and fabricated from the blank of FIG. 1;

FIG. 3 is a partial sectional view taken along line 33 of FIG. 2; and

FIG. 4 is a partial sectional view taken along line 4--4 of FIG. 2.

While the corner may be fabricated of any suitable bendable material, sheet metal is most commonly employed in articles of this type, especially when being used as frames for aquariums. The teachings of the instant invention can be used to form the top and bottom frames of an aquarium such as is illustrated in FIG. 1 of aforementioned Patent 2,792,811. By using a continuous sheet of suflicient length, all four curved corners of each frame can be formed from the single sheet.

Referring now to FIG. 1 of the attached drawing, a sheet metal blank indicated generally as 51 is blanked or die cut to define a first planar surface 52, a second planar surface 53, a first flange 54 and a second flange 55. For the circumference or developed length of the curved corner to be subsequently formed, first flange 54 is discontinuous as at 56 to permit bending of the sheet metal once the flanges are formed. A V-shaped cutout 57 comprising a first leg 58 and a second leg 59 is cut into second planar surface 53 and second flange 55. First and second arcuate lines 61 and 62 extend respectively from first and second legs 58 and 59. At the point of junction between the arcuate line and its asso ciated leg of the V-shaped cutout, the arcuate line is perpendicular to the leg. Thereafter, the curvature of Patented Nov. 22, 1966 the arcuate line is generated from the same center of curvature as the subsequently formed curved corner and each arcuate line terminates tangentially to a phantom line 63 which separates the first and second planar surfaces.

A tab 64 extends outwardly and is formed integrally with first leg 58 of the V-shaped cutout. The top surface of tab 64 is depressed so as to be at substantially the same level as the lower surface of the sheet metal blank as will be more fully described hereafter.

Referring now to FIGS. 2 through 4, the blank is formed into the one-piece corner shown in FIG. 2. The first planar surface 52 is bent at right angles to second planar surface 53 with first flange 54 being bent perpendicular to the first planar surface and with second flange 55 being bent to extend obliquely from the second planar surface. Thereafter, the center section of surface 52 defined by discontinuous portion 56 is bent to define a smooth corner in contact with the edges of the sheet defined by first and second arcuate lines 61 and 62. As the corner is formed, first and second legs 58 and 59 come into abutting contact and, because of the depressed position of tab 64, the tab underlies a portion of the corner joint as best shown in FIGS. 3 and 4. A spot weld 65 through the tab secures the one-piece fabricated corner in the developed position.

From the foregoing, it may be seen that a continuous corner with a smooth top surface may be developed from a single sheet of material thereby providing a substantially improved and less expensive fabricated frame especially adapted for use in aquarium construction. Such frames will have improved appearance in addition to being less expensive to fabricate because of the elimination of elements and spot welding operations.

It will thus be seen that the objects set forth above, among those made apparent from the preceding description, are efficiently attained and, since certain changes may be made in the above construction without departing from the spirit and scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawing shall be interpreted as illustrative and not in a limiting sense.

What is claimed is:

1. In an aquarium, a frame of relatively thin material and having at least one corner of one-piece construction, said frame, in the area of said corner, comprising a side portion extending along two sides of the aquarium and smoothly around said corner in an arc of substantially uniform radius, a first top portion integral with and extending perpendicularly from that portion of said side portion extending along two sides of the aquarium top portion terminating along a first line radial to and substantially bisecting said are of substantially uniform radius and along a second line adjacent substantially onehalf of said are of substantially uniform radius, a second top portion integral with and extending perpendicularly from that portion of said side portion along the other of said aquarium sides, said second top portion terminating along a third line in abutment with said first line and along a fourth line adjacent substantially the portion other half of said are of substantially uniform radius, a tab extending outwardly from said first top portion along said first line and underlying said second top portion, and means for securing said tab portion to said second top portion.

2. In an aquarium, a frame of relatively thin material and having at least one corner of one-piece construction, said frame, in the area of said corner, comprising a side portion extending along two sides of the aquarium and smoothly around said corner in an arc of substantially uniform radius, a first top portion integral with and extending perpendicularly from that portion of said side portion along'one of said aquarium sides, said first top portion terminating along a first line radial to and substantially bisecting said arc of substantially uniform radius and along a second line adjacent substantially onehalf of said arc of substantially uniform radius, a second top portion integral with and extending perpendicularly from that portion of said side portion along the other of said aquarium sides, said second top portion terminating along a third line in abutment with said first line and along a fourth line adjacent substantially the other half of said are of substantially uniform radius, a tab portion extending outwardly from said first top portion along said first line and underlying said second top portion,

means for securing said tab portion to said second top portion, and flange portions extending perpendicularly from said side portion along both of said sides of said aquarium, said flange portions extending from that edge of said side portion opposite the edge from which said first and second top portions extend, said flange portions being discontinuous for a length at least as long as the developed length of said are of substantially uniform radius in the area of said arc.

3. In an aquarium, a frame of relatively thin material having at least one corner of one-piece construction, said frame, in the area of said corner, comprising a side portion extending along two sides of the aquarium and smoothly around said corner in an arc of substantially uniform radius, a first top portion integral with and extending perpendicularly from that portion of said side portion along one of said aquarium sides, said first top portion terminating along a first line radial to and substantially bisecting said arc of substantially uniform radius and along a second line adjacent substantially one- 1 half of said are of substantially uniform radius, a second top portion integral with and extending perpendicularly from that portion of said side portion along the other of said aquarium sides, said second top portion terminat ing along a third line in abutment with said first line and along a fourth line adjacent substantially to other half of said are of substantially uniform'radius, and a tab secured to said first and second top portions for maintaining said portions in abutment along said first and third radial lines.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US259468 *Mar 2, 1882Jun 13, 1882 Wagon-brake
US1235241 *Sep 22, 1914Jul 31, 1917Miles S PotterWindow-screen.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3927643 *Jul 31, 1974Dec 23, 1975Ritzow Gerald RAquarium
US4496185 *Sep 29, 1982Jan 29, 1985State Wide Aluminum Of Indiana, Inc.Door frame construction for pickup truck cap and method of manufacture
US4704838 *Oct 22, 1986Nov 10, 1987United States Gypsum CompanyRounded corner ceiling runner system
US4998947 *Nov 14, 1989Mar 12, 1991Alcan Aluminum CorporationCorner cap structure and method
US5557904 *May 25, 1995Sep 24, 1996Quaker Plastic CorporationThermoformable plastic framin/connecting strip
US5575131 *Jun 6, 1995Nov 19, 1996National Gypsum CompanyMultiple use corner clip
US5644883 *Dec 15, 1995Jul 8, 1997National Gypsum CompanyMultiple use corner clip
US5678367 *Nov 13, 1995Oct 21, 1997Kline; KeithFastening device for fastening siding
US5724784 *Feb 8, 1995Mar 10, 1998National Gypsum CompanyShaft wall and horizontal metal stud therefor
US5740644 *Jan 28, 1997Apr 21, 1998National Gypsum CompanyWall with horizontal metal stud and reinforcement channel therefor
US5749192 *Sep 13, 1996May 12, 1998National Gypsum CompanyCorner clips for horizonal framing
US6678934 *Oct 3, 2000Jan 20, 2004Lasusa FrankMethod and process of a universal window system using singular advanced components of a polymer based or metallurgy based product
US7117576Jun 18, 2002Oct 10, 2006Vinyllink, LlcMethod and process of a universal window system using singular advanced components of a polymer based or metallurgy based product
US7381476 *Sep 30, 2004Jun 3, 2008Imphy Ugine PrecisionStructural element having a metal wall of generally tubular shape
US7546793Oct 9, 2006Jun 16, 2009Lasusa FrankWindow component notching system and method
US9199292May 4, 2012Dec 1, 2015Origami Steel Corp.Method for producing steel profiles
US20030229980 *Jun 18, 2002Dec 18, 2003Lasusa FrankMethod and process of a universal window system using singular advanced components of a polymer based or metallurgy based product
US20050127142 *Sep 30, 2004Jun 16, 2005Imphy Ugine PrecisionMethod of manufacturing a structural element having a metal wall of generally tubular shape, and a structural element
US20050285487 *Jun 23, 2005Dec 29, 2005Lg Electronics Inc.Tub construction for dishwasher
US20070175039 *Oct 9, 2006Aug 2, 2007Lasusa FrankWindow component notching system and method
US20070283642 *Nov 27, 2006Dec 13, 2007Surowiecki Matt FCorner studs and manufacturing method
US20080121595 *Nov 28, 2006May 29, 2008Trulaske Steven LShelf Organizer
CN103561879A *May 4, 2012Feb 5, 2014折纸钢铁公司Method for producing a steel profiled element
WO2012150352A3 *May 4, 2012May 16, 2013Origami Steel Corp.Method and device for producing a steel profiled element and said type of steel profiled element
Classifications
U.S. Classification52/658, 52/244, 119/269
International ClassificationA01K63/00
Cooperative ClassificationA01K63/003
European ClassificationA01K63/00A