CA1239576A - Consumer assemble antique-production chairs - Google Patents

Consumer assemble antique-production chairs

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Publication number
CA1239576A
CA1239576A CA000477429A CA477429A CA1239576A CA 1239576 A CA1239576 A CA 1239576A CA 000477429 A CA000477429 A CA 000477429A CA 477429 A CA477429 A CA 477429A CA 1239576 A CA1239576 A CA 1239576A
Authority
CA
Canada
Prior art keywords
fork
threaded
openings
easily assembled
chair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000477429A
Other languages
French (fr)
Inventor
George S.J. Hsiung
James G. Mohundro
Marco S. Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA000477429A priority Critical patent/CA1239576A/en
Application granted granted Critical
Publication of CA1239576A publication Critical patent/CA1239576A/en
Expired legal-status Critical Current

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  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

ABSTRACT OF THE DISCLOSURE

A novel chair is provided herein which can be easily assembled and disassembled by consumers. The chair has a seat having two first openings therethrough and a set of apertures thereunder, each aperture having an inner thread. A back member is mounted on the seat, the back member having two projections, each of which projections having an outer thread, extended through the first openings. Two nuts are respectively screwed on the projections. A leg member is provided having a set of holes through its top corresponding to the positions of the set of apertures. A set of first screws extend through the set of holes and are screwed into the set of apertures. This provides the advantage that the assembly procedure can be left unfinished in the manufacturing procedure, resulting in a low production cost. In addition, the transportation cost of the unfininished chairs can be significantly reduced because of the space they save when being transported.

Description

~:39576 The present invention relates to a consumer-assembled, antique-repcoduction chair, and move particularly to an easily assembled and disassembled chair.
The conventional chair is generally made up of a beck, a seat, and four legs, and is assembled by the use of nails and adhesive. Thus, the conventional chair cannot be disassembled without damaging the chair, with the result that the assembled chair is most inconvenient to transport because it must occupy a great deal of space. Furthermore, the manufacturing procedure is fairly complicated, and requires a considerable number of to assemble the chair. These factors contribute to the high cost of the conventional chair, including the production cost and the cost of transportation. Therefore, a chair which can be taken apart, thereby overcoming the above mentioned drawbacks, is eagerly desired.
An object of one aspect of the present invention is to provide a chair which can be easily assembled and disassembled by consumers.
n object of another aspect of the present invention is to provide a chair with an assembly procedure which can be left unfinished in the manufacturing procedure, resulting in a low erudition cost, and in a significant reduction in the transportation cost because of the saving ox space of the unfinished chairs when being transported.
By one broad aspect of the present invention, an antique-repcoduetion chair is provided which can be easily assembled and disassembled. The chair comprises a seat having two first openings therethcough and a set of apertures
- 2 -Lowe thousand, with each aperture having an inner thread: a back member mounted on the seat and having two projections, each of which having an outer thread, extended through the first opening: a nut screwed onto each associated projection; a leg member having a set of holes through its top corresponding to the positions of the set of apertures; and a set of screws extended through the set of holes and screwed into the set of apertures.
It is preferred that each aperture be formed as a cavity in which a metal insert screw is mounted. Preferably, also, the leg member comprises a pair of fork-shaped legs with flat tops through which the set of holes are provided, and two first stretchers respectively formed between two forks of each fork-shaped leg. Preferably, also, each first stretcher has two first orifices there through, and further comprises two second stretches, each of which has two inner-threaded openings at its ends, respectively inserted into the first orifices; four second screws respectively screwed into the inner-threaded openings through the first orifices. Preferably also, the two fork-shaped legs are respectively fastened on the front and rear sides, each fork of the front fork-shaped leg having an inner-threaded opening on its rear side, and each fork of the rear fork-shaped leg having a bore there through, and wherein the chair further comprises two third stretchers, each of which has an outer-threaded end for screwing in the inner-threaded opening of the front fork-shaped leg and an inner-threaded end for inserting in the bore. and two third screws screwed in the inner-threaded end of the rear fork-shaped leg through the bore.

I I

It is also preferred that the back member be a phonebook, including a top rail and a plurality of spindles removably engaged on said top rail at one end, and the seat further including a plurality of second openings thereon for accommodating the other ends of the corresponding spindles of the phonebook. Alternatively, it is preferred that the back member be a phonebook, including a top rail and a plurality of spindles, each of which is removably engaged on the top rail at one end, and has an other outer-threaded end, and the seat further including a plurality of third openings there through and a plurality of T-nuts fixed under the third openings for the outer-threaded ends of the corresponding swindles to be respectively screwed in the T-nuts.
By another aspect of this invention, an easily assembled and disassembled chair is provided, comprising a seat having two first openings there through and a set of apertures thereunder, in which each aperture has an inner thread: a back/arm integral member mounted on the seat and having two projections, each of which has an outer thread, extended through the first openings; two nuts respectively screwed on the projections; a leg member having a set of holes through it top corresponding to the positions of the set of apertures; and a set of first screws extended through the set of holes and screwed into the set of apertures.
In such chair, each aperture is formed as a cavity in which a metal insert screw is mounted. In addition, the leg member preferably comprises a pair of foLk-shaped legs with flat tops through which the set of holes are provided, and with ~23957~, two fist stretcher respectively formed between the two forks of each fork-shaped leg. Moreover in such chair, each first stretcher has two first orifices there through, and further comprises two second stretchers, each of which has two inner-threaded openings at its two ends, respectively inserted into the first orifices: four second screws respectively screwed into the inner-threaded openings through the first or if ices .
By still another aspect of this invention an easily assembled and disassembled chair is provided comprising a seat having two fact of openings there through and a set of apertures thereunder, with each aperture having an inner thread; a back member mounted on the seat and having two projections, each of which has an inner-threaded aperture at its end, extended through the first openings: two first screws screwed into the inner-threaded apertures of the projection: a leg member having a set of holes through its top corresponding to the positions of the set of apertures; and a set of second screws extended through the set of holes and screwed into the set of apertures.
In this chair, the set of apertures and the inner-threaded apertures are all formed as a cavity in which a metal insert screw is mounted. The leg member here preferably comprises a pair of fork-shaped legs with flat tops through which the set of holes are provided, and with two first stretchers respectively formed between two forks of each fork-shaped leg. In this chair, as well, each first stretcher has two first orifices there through, and further comprises two : .

Sue second stretchers, Mach of which has two inner-threaded openings at its two ends, respectively inserted into the first orifices: four third screws respectively screwed into the inner-threaded openings through the first orifices. The back member may be a phonebook, and the seat may further include a plurality of second openings thereon for accommodating the ends of corresponding spindles of said phonebook. Alternatively, the back member may be a phonebook including a top rail and a plurality of spindles, each of which is removably engaged on the top rail at one end, and has an other outer-threaded end, and wherein the seat further includes a plurality of T-nutfi fixed under the third openings for the outer-threaded ends of the corresponding spindles to be screwed in the T-nuts. Still further the two fork-shaped legs may respectively be fastened on the front and rear sides, each fork of the front fork-shaped leg having an inner-threaded opening on its rear side, and each fork of the rear fork-shaped leg having a bore there through, and wherein the chair further comprises two third stretchers, each of which has an outer-threaded end for screwing in the inner-threaded opening of the front fork-shaped leg and an inner-threaded end for inserting in the bore, and two third screws screwed in said inner-threaded end of said rear fork-shaped leg through the bore.

In the accompanying drawings, Fig. 1 it an exploded view of an easily disassembled chair in accordance with a first referred embodiment of an ., --1~3957~

aspect of the present invention;
Fig. 2 is a perspective view of the chair of Fig. 1, illustrating the assembled appearance of the chair;
Fig. 3 is a perspective view of an easily disassembled chair in accordance with a second preferred embodiment of an aspect of the present invention;
Fig. 4 is a perspective view of an easily disassembled chair in accordance with a third preferred embodiment of an aspect of the present invention;

lo Fig. SPA is a cross-sectional view illustrating a swindle fixed on a seat according to the chair of Fig. 4:
Fig. 5B is a perspective view of a T-nut used in the chair of Fig. 4;
Fig. 6 is a perspective view of an easily disassembled chair in accordance with a fourth referred embodiment of an aspect of the present invention: and Fig. 7 is an exploded view of the leg member of the chair in Fig. 5.
Referring now to the drawings, it should be noted that a like member is designated with a like reference number. In Fig. 1, an easily assembled and disassembled chair is shown, the chair comprising a seat 10, a back member 20 mounted on the seat 10, and a leg member 30 mounted under the seat 10. In this embodiment, the back member 20 is a phonebook which has a plurality of spindles 21 spread phonies from the seat 10 to a top rail 23. The top rail 23 is formed in an arched shape, and has two projections 24, each of which have an outer thread.
'- The seat 10 has two first openings 11 there through, and a ~2-L~957~

plu~lity ox second openings 14 thereon for accommodating the ends of the corresponding spindles 21 of the back member 20.
The other ends of the spindles 21 are removably accommodated in corresponding openings (not shown) on the toe rail 23. The two projections 24 can respectively extend thrush the first openings 11, and two nuts 13 are respectively screwed onto the associated threaded projections 24 with two washer 12 locating between them.
It should be noted that the outer-threaded projections 24 are formed by two hanger bolts respectively screwing into two ends of the top rail 23 with a portion extending therefrom. It should be also noted that two ends of the top rail 23 may alternatively have a cavity therein in which a metal insert screw has been screwed. Then, two screws can be screwed into the inner-threaded cylinder to secure the back member 20 on the seat 10 when the two ends of the top rail 23 have been inserted into the first openings 11.
Under the seat 10 a set of apertures 16 are formed on two sides, and each aperture 16 is formed as a cavity in which a metal insert 17 has been screwed. In this embodiment, the leg member 30 comprises a ear of fork-shaped legs 31 with flat tops 32 through which a set of holes 33 are provided corresponding to the positions of the set of apertures 16.
set of screws 34 can be inserted through the set of holes 33, and screwed into the set of apertures 16 with a washer 45 locating between them to firmly secure the leg member 30 under the seat 10, and an enlarged view of this engagement is particularly illustrated in Fig. 1. Two first stretchers 35 . .
, . .

3957~
.

are respectively mounted between the two forks of each fork-shaped leg 31, and all have two first orifices 36 there through. Two second stretchers 37 with inner-theeaded openings at their ends are respectively inserted into the first orifices 36, and then four screws pa are respectively screwed into the inner-threaded openings of the second stretchers 37 to secure the second stretchers 37 on the first stretchers 35, an enlarged view of this engagement being particularly illustrated in Fig. l. It should be noted that the structure of each lo inner-threaded opening of the second stretchers 37 is the same with that of the opening 16. Four pieces of wooden cap 39 may be plugged in the fist orifices 36 for an ornamental effect after the screws 38 are screwed on the inner-threaded openings of the second trusses 37. In Fig. 2, the chair assembled from the elements illustrated in Fig. l is shown.
In Fig. 3, an easily assembled and disassembled chair according to the second embodiment of an aspect of the present invention is illustrated. The structure of the chair in Fig. 3 is almost the same as that of the one shown in Fig. l, except that a back/arm integral member 50, which combines with a back member 52 and arm member 51, is used for the chair in Fig. 3.
The method of combining the back member 52 with the arm member 51 is similar with the above-described method.
In Fig. 4, an easily assembled and disassembled chair according to the third embodiment of an aspect of the present invention is illustrated. The structure of the chair is also almost the same a that of the one shown in Fig. l, except fox a different method of mounting the spindles 71 between the top ~L239576 rail 73 and the seat 60 is used for the chair in Fig. 4. it the lower end of each spindle 71, a cavity is provided therein into which a hanger bolt is screwed with a portion extending therefocm. The seat 60 has a plurality of holes 64 there through, and under the seat 60, corresponding to each hole 64. a T-nut 65, which includes a plurality of shape protrusions and an inner-threaded central protrusion as shown in Fig. 5B, is beforehand fixed. Then, before the top rail 73 is mounted upon the spindles 71 and fastened on the seat 60, each spindle 71 is screwed in the corresponding inner-thread central protrusion while assembling, and an enlarged, cross-sectional view of this engagement is particularly illustrated in Figs. 4 and PA. In this way, the back member 70 can be more firmly fastened on the seat 60.
In Fig. 6, an easily assembled and disassembled chair according to the fourth embodiment of an aspect of the present invention is illustrated. The structure of the chair is almost the same as that of the one shown in Fig. 4, except that a different arrangement of the leg member 80 is used, and that a different appearance is designed for the chafe in Fig. 6. The chair includes two hot dogs 81 engaged between the back member and the seat by two wood screws 82. Two fork-shaped legs 83 are respectively secured on the front and rear sides according to the method described above. However, the method of connecting four third stretchers 84 between two fork-shaped legs 83 is different form that of any of the embodiments described above. Referring to Fig. 7, an exploded cross-sectional view illustrates the connecting method of one ~L239576 third stLethec 84 between the front fork-shaped leg aye and the gear fork-shaped leg 83b. On the front fork-shaped leg aye an opening is provided with a metal insert screw 85, inserted before the screwing of the screw therein. The third stretcher 84 has a hanger bolt 86 mounted therein at one end for screwing in the opening 85, and an opening with a metal insert screw 87 therein at the other end for being screwed a screw 89 from one side of the rear fork-shaped leg 83b while the third stretcher 84 is inserted into an opening 88 provided through the rear fork-shaped leg 83b from the other side. Then, a wooden cap 90 is plugged in the opening 88 for an ornamental effect.

I,

Claims (18)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An easily assembled and disassembled chair comprising:
a seat having two first openings therethrough and a set of apertures thereunder, in which each aperture has an inner thread;
a back member mounted on said seat and having two projections, each of which has an outer thread, extended through said first openings;
two nuts respectively screwed on said projections:
a leg member having a set of holes through its top corresponding to the positions of said set of apertures: and a set of first screws extended through said set of holes and screwed into said set of apertures.
2. The easily assembled and disassembled chair as claimed in claim 1, wherein each aperture is formed as a cavity in which a metal insert screw is mounted.
3. The easily assembled and disassembled chair as claimed in claim 2, wherein said leg member comprises a pair of fork-shaped legs with flat tops through which said set of holes are provided, and with two first stretchers respectively formed between two forks of each fork-shaped leg.
4. The easily assembled and disassembled chair as claimed in claim 3, wherein each first stretcher has two first orifices therethrough, and further including two second stretchers, each of which has two inner-threaded openings at its two ends, respectively inserted into said first orifices;
and four second screws respectively screwed into said inner-threaded openings through said first orifices.
5. The easily assembled and disassembled chair as claimed in claim 4, wherein said back member is a fanback, including a top rail and a plurality of spindles removably engaged on said top rail at one end, and wherein said seat further includes a plurality of second openings thereon for accommodating the other ends of the corresponding spindles of said fanback.
6. The easily assembled and disassembled chair as claimed in claim 4, wherein said back member is a fanback, including a top rail and a plurality of spindles, each of which is removably engaged on said top rail at one end, and has an other outer-threaded end, and wherein said seat further includes a plurality of third openings therethrough and a plurality of T-nuts fixed under said third openings for said outer-threaded ends of said corresponding spindles to be respectively screwed in said T-nuts.
7. The easily assembled and disassembled chair as claimed in claim 3, wherein said two fork-shaped legs are respectively fastened on the front and rear sides, each fork of said front fork-shaped leg having an inner-threaded opening on its rear side, and each fork of said rear fork-shaped leg having a bore therethrough, and wherein the chair further comprises two third stretchers, each of which has an outer-threaded end for screwing in said inner-threaded opening of said front fork-shaped leg and an inner-threaded end for inserting in said bore, and two third screws screwed in said inner-threaded end of said rear fork-shaped leg through said bore .
8. An easily assembled and disassembled chair comprising:
a seat having two first openings therethrough and a set of apertures thereunder, in which each aperture has an inner thread;
a back/arm integral member mounted on said seat and having two projections, each of which has an outer thread, extended through said first openings;
two nuts respectively screwed on said projections a leg member having a set of holes through its top corresponding to the positions of said set of apertures: and a set of first screws extended through said set of holes and screwed into said set of apertures.
9. The easily assembled and disassembled chair as claimed in claim 8, wherein each aperture is formed as a cavity in which a metal insert screw is mounted.
10. The easily assembled and disassembled chair as claimed in claim 9, wherein said leg member comprises a pair of fork-shaped legs with flat tops through which said set of holes are provided, and with two first stretchers respectively formed between the two forks of each fork-shaped leg.
11. The easily assembled and disassembled chair as claimed in claim 10, wherein each first stretcher has two first orifices therethrough. and further including two second stretchers, each of which has two inner-threaded openings at its two ends, respectively inserted into said first orifices:
four second screws respectively screwed into said inner-threaded openings through said first orifices.
12. An easily assembled and disassembled chair comprising:
a seat having two first openings therethrough and a set of apertures thereunder, with each aperture having an inner thread:
a back member mounted on said seat and having two projections, each of which has an inner-threaded aperture at its end, extended through said first openings:
two first screws screwed into said inner-threaded apertures of said projections:
a leg member having a set of holes through its top corresponding to the positions of said set of apertures: and a set of second screws extended through said set of holes and screwed into said set of apertures.
13. The easily assembled and disassembled chair as claimed in claim 12, wherein said set of apertures and said inner-threaded apertures are all formed as a cavity in which a metal insert screw is mounted.
14. The easily assembled and disassembled chair as claimed in claim 13, wherein said leg member comprises a pair of fork-shaped legs with flat tops through which said set of holes are provided, and with two first stretchers respectively formed between two forks of eah fork-shaped leg.
15. The easily assembled and disassembled chair as claimed in claim 14, wherein each first stretcher has two first orifices therethrough, and further including two second stretchers, each of which has two inner-threaded openings at its two ends, respectively inserted into said first orifices;
four third screws respectively screwed into said inner-threaded openings through said first orifices.
16. The easily assembled and disassembled chair as claimed in claim 15, wherein said back member is a fanback; and wherein said seat further includes a plurality of second openings thereon for accommodating the ends of corresponding spindles of said fanback.
17. The easily assembled and disassembled chair as claimed in claim 15, wherein said back member is a fanback, including a top rail and a plurality of spindles, each of which is removably engaged on said top rail at one end, and has an other outer-threaded end, and wherein said seat further includes a plurality of third openings therethrough and a plurality of T-nuts fixed under said third openings for said outer-threaded ends of said corresponding spindles to be respectively screwed in said T-nuts.
18 The easily assembled and disassembled chair as claimed in claim 14, wherein said two fork-shaped legs are respectively fastened on the front and rear sides, each fork of said front fork-shaped leg having an inner-threaded opening on it rear side, and each form of said rear fork-shaped leg having a bore therethrough: and wherein the chair further includes two third stretchers, each of which has an outer-threaded end for screwing in said inner-threaded opening of said front fork-shaped leg and an inner-threaded end for inserting in said bore, and two third screws screwed in said inner-threaded end of said rear fork-shaped leg through said bore.
CA000477429A 1985-03-25 1985-03-25 Consumer assemble antique-production chairs Expired CA1239576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000477429A CA1239576A (en) 1985-03-25 1985-03-25 Consumer assemble antique-production chairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000477429A CA1239576A (en) 1985-03-25 1985-03-25 Consumer assemble antique-production chairs

Publications (1)

Publication Number Publication Date
CA1239576A true CA1239576A (en) 1988-07-26

Family

ID=4130114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000477429A Expired CA1239576A (en) 1985-03-25 1985-03-25 Consumer assemble antique-production chairs

Country Status (1)

Country Link
CA (1) CA1239576A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5498065A (en) * 1993-06-28 1996-03-12 Effezeta S.R.L. Office armchair body which can be dismantled
US5641139A (en) * 1994-06-28 1997-06-24 S & M Furniture Mgf., Inc. Furniture leg with anchoring means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5498065A (en) * 1993-06-28 1996-03-12 Effezeta S.R.L. Office armchair body which can be dismantled
US5641139A (en) * 1994-06-28 1997-06-24 S & M Furniture Mgf., Inc. Furniture leg with anchoring means
US5720457A (en) * 1994-06-28 1998-02-24 S & M Furniture Mfg., Inc. Furniture leg with anchoring means

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