US 3230909 A
Description (OCR text may contain errors)
R. E. WATSON STOOL OR TABLE Jan. 25, 1966 Filed March 18, 1963 f R.0 5% y M V r M P T A E W s m f W6 United States Patent 3,230,909 STOOL OR TABLE Robert E. Watson, Farmington, Mich., assignor to Swedish Crucible Steel Company, Detroit, Mich, a corporation of Michigan Filed Mar. 18, 1963, Ser. No. 265,719 8 Claims. (Cl. 108-150) This invention relates to seating devices and, in particular, to stools.
One object of this invention is to provide a stool or low table composed of upper and lower halves which are basically identical in construction so that the same part can be used for both halves, the two halves being of tapered construction and united at their smaller diameter ends, with a top member or cover secured to the large diameter end of the upper half.
Another object is to provide a stool of the foregoing character wherein the lower half is provided with feet which are inserted in the same holes provided for reception of the cover fasteners in the upper half.
Another object is to provide a stool of the foregoing character wherein the small diameter ends of the two halves have interlocking portions which interfit with one another so as to prevent relative rotation there-between and at the same time strengthen the connection therebetween.
Another object is to provide a stool, as set forth in the object immediately preceding wherein the two halves are united to one another by a single bolt or other fastener passing through a central hole having on the inner side a counterbore which in one half receives the head of the bolt and in the other half receives the nut thereof.
Another object is to provide a stool as set forth in the object immediately preceding wherein the interfitting portions are surrounded by a groove containing an annular member, such as a sleeve, which not only conceals the junction between the halves but also further strengthens the connection between the halves.
Another object is to provide a stool of the foregoing character wherein the upper and lower halves are easily and inexpensively made by molding them from plastic material, a single mold suificing for making both the upper and lower halves.
Other objects and advantages of the invention will become apparent during the course of the following description of the accompanying drawings, wherein:
FIGURE 1 is a central vertical section through a stool or table according to one form of the invention, taken along the line 1--1 in FIGURE 2;
FIGURE 2 is a top plan view of the stool or table shown in FIGURE 1;
FIGURE 3 is a bottom plan view of the stool or table shown in FIGURES 1 and 2;
FIGURE 4 is a cross-section on an enlarged scale, taken along the line 4-4 in FIGURE 1, showing the interlocking connection between the upper and lower halves; and
FIGURE 5 is an exploded perspective view of the parts of which the stool or table of FIGURES l to 4 inclusive is composed.
Referring to the drawing in detail, FIGURES 1 to 5 inclusive show a stool or table, generally designated 10, according to one form of the invention as including a lower half unit 12, an upper half unit 14 of identical construction to the lower half unit 12, a connecting fastener or bolt 16, a coupling sleeve 18 and a top or cover 20. The lower and upper half units 12 and 14 are each of tapered or fiared construction and may be, for example, of the trumpet shape shown in the drawings, or of frustoconical or frusto-pyramidal construction and still be included within the scope of the invention. Each of the 3,23%,9053 Patented Jan. 25, 1965 lower and upper halves 12 and 14 has a large-diameter annular thickened rim portion 22 with a flat outer surface 24 including circumferentially-spaced widened portions or bosses 26, each containing a blind hole or socket 28.
Each of the half units 12 and 14 also has a small diameter end wall 30 provided with an annular half groove or rabbet 32 which receives half of the coupling sleeve 18. Projecting axially from each end wall 30 are two opposed circumferentially-spaced sector-shaped lugs 34 (FIGURE 5 with fiat top surfaces 36 and sector-shaped flat recessed surface portions 38 separated from one another by the gap surface 40 and collectively forming the outer surface 42 of the end wall 30. The latter contains a fastener hole 44 terminating on its inner side in a counterbore 46, preferably of rectangular cross-section. The small diameter end wall 30 carrying the lugs 34 is connected to the large diameter outer rim 22 by a tapered side wall 4-8 which in the example shown is trumpet-mouth shaped but which, as stated above, may be conical or pyramidal. Its tapered configuration facilitates both the molding operation and withdrawal from the mold. The side wall 48 has outer and inner surfaces of revolution 50 and 52 respectively.
Inserted in the blind holes 28 of the rim 22 of the lower half unit 12 are the shanks 54 of feet 56 having enlarged heads 58 (FIGURE 5). The feet 56 are thus rivet-shaped and are preferably made of rubber, plastic or other suitable material, preferably of' a resilient and soft nature which will prevent damage to the fioor or other surface upon which the article 14) is placed. The rim 22 of the upper half 14 is provided with pegs 60 conveniently made of plastic material which are secured in the blind holes 28 thereof and project above the fiat surface 24. Resting upon the fiat surface 24 is the corresponding flat lower annular surface 62 of the thickened rim 64 of the top or cover 20. The rim 64 of the cover 26 is provided with bosses or enlargements 66 (FIGURE 5) which are aligned with the bosses or enlargements 26 of the upper half unit 14 and which contain blind holes or sockets 68 which are also aligned with the blind holes or sockets 2S and fit over the pegs 60. The pegs 66 and the shanks 54 of the feet 56 are secured in their respective holes 28 and 63 by any suitable adhesive, many of which are available on the open market and are well known to those skilled in the plastics art. The fastener 16 is of any suitable type, a bolt being shown for purposes of illustration and having a headed screw portion 70 carrying a nut 72.
In the assembly of the stool or table 1d of the invention, the lower and upper half units 12 and 14 are brought together with their small diameter end walls 30 adjacent one another and with the coupling sleeve 18 placed in the annular rabbet 32 of the lower half unit 12. The upper half unit 14 is then lowered with its lugs 34 aligned with the sector-shaped recesses 38, the sizes of the sectorshaped lugs 34 being such as to interfit snugly with one another. With the upper and lower half units 14 and 12 interfitting at their small diameter ends in the manner shown in FIGURES 1 and 4 and with the coupling sleeve 18 encircling their junction, the screw 70 of the bolt 16 is inserted through one of the central holes 44 with its head in the counterbore 46 thereof and its shank projecting through the hole 44 into the counterbore 46 in the upper half unit 14. The nut 72 is then threaded upon the projecting portion of the shank of the screw '70, and received in the counterbore thereof when it is fully tightened. A square nut 72 is preferably used fitting loosely into the square counterbore 46, which thereby prevents it from rotating while the screw 76 is rotated to tighten the bolt 16.
The feet 56 are then secured in the holes 28 of the rim 22 of the lower half unit 12 and the pegs 66 secured in the corresponding holes 28 of the thickened rim 22 of the 3 upper half unit 14. The cover or top 20 is then lowered into the position shown in FIGURE 1, with its holes 66 aligned with and fitting over the pegs 60 and secured therein by a suitable adhesive, as stated above. A washer 74 is preferably employed beneath the nut 72 in order to further prevent rotation of the screw 70.
What I claim is:
1. A stool or table comprising hollow lower and upper half body units of tapered basically identical configuration having identical large and small diameter opposite ends,
said half body units being disposed with their small diameter ends in engagement with one another and with their large diameter ends disposed remote from one another, means at said small diameter ends for securing said small diameter ends of said halt body units end-toend to one another,
and a top member superimposed upon and secured to the large diameter end of the upper half body unit, whereby both lower and upper body half units can be produced in a single mold and connected end-toend to constitute a pedestal of twice the height of either body half unit having large opposite ends tapering to a small midportion.
2. A stool or table, according to claim 1, wherein the small diameter ends of said half body units are provided with annular rabbets collectively forming an annular recess extending therearound adjacent and extending upward and downward from their junction, and wherein an annular coupling element is disposed in said recess and also extends upward and downward'from said junction and conceals said junction.
3. A stool or table, according to claim 1, wherein the large diameter ends of said half body units are provided with circumferentially-spaced holes of substantially identical sizes and locations, wherein supporting feet are secured in the holes in the lower half body unit, and wherein fasteners are mounted in the holes in the upper half body unit and secure said top member thereto.
4. A stool or table, according to claim 1, wherein said small diameter ends have circumferentially-spaced projections thereon disposed in interfitting engagement with one another.
5. A stool or table, comprising lower and upper half body units of tapered substantial- 1y identical configuration having large and small diameter opposite ends,
said half body units being disposed with their small diameter ends in engagement with one an other and with their large diameter ends disposed remote from one another,
means at said small diameter ends for securing said half body units to one another,
and a top member superimposed upon and secured to the large diameter end of the upper half body unit,
said small diameter ends having projections thereon disposed in interfitting engagement with one another, said projections extending axially from said small diameter end of said half body units.
6. A stool or table, according to claim 5, wherein said projections comprise lugs also extending radially of said small diameter end.
7. A stool or table, according to claim 6, wherein said lugs are approximately sector-shaped and disposed diametrically opposite one another in the small end of each half body unit.
8. A stool or table, according to claim 5, wherein said projections are spaced apart from one another at the central portions of said small ends and wherein said securing means comprises a fastener disposed axially of said half body units in the central space thereof between said projections.
References Qited by the Examiner UNITED STATES PATENTS 1,054,812 3/1913 Zierath 287-405 1,131,730 3/1915 OConnor l08150 1,207,863 12/1916 Chisholm 108-150 1,903,631 4/1933 Morrison 108-150 2,560,659 7/ 1951 Payeur 108-150 2,981,578 4/1961 Saarinen l08150 3,083,052 3/1963 Thorson 297 FOREIGN PATENTS 138,687 1880 France. 251,490 5/ 1926 Great Britain.
FRANK B. SHERRY, Primary Examiner.