Chairs
A chair includes a first support structure, a second support structure, a seat and a backrest. The backrest is attached to each of the first and second support structures. The seat is attached to each of the first and second support structures.
A chair includes a first support structure, a second support structure, a seat and a backrest. The backrest is attached to each of the first and second support structures. The seat is attached to each of the first and second support structures.
BACKGROUNDConventional chairs facilitate seating of a person, such as a child, for meals, play, school, and other activities.
SUMMARYIn accordance with one embodiment, a chair comprises a first support structure, a second support structure, a backrest, and a seat. The first support structure defines a first notch. The second support structure defines a second notch. The backrest is attached to each of the first support structure and the second support structure. The seat is attached to each of the first support structure and the second support structure. The first notch receives a portion of the second support structure adjacent to the second notch. The second notch receives a portion of the first support structure adjacent to the first notch. In use of the chair by a person, the first support structure and the second support structure are together configured to entirely support the seat and the backrest with respect to a ground surface.
In accordance with another embodiment, a chair comprises a first support structure, a second support structure, a backrest, and a seat. The backrest is attached to each of the first support structure and the second support structure by way of snap-fit interlocking features. The seat is attached to each of the first support structure and the second support structure by way of snap-fit interlocking features. Each of the first support structure, the second support structure, the seat, and the backrest is formed from plastic as a respective unitary member.
In accordance with yet another embodiment, a chair consisting essentially of a first support structure, a second support structure, a backrest, and a seat. The first support structure is formed from plastic as a first unitary member. The second support structure is formed from plastic as a second unitary member. The backrest is formed from plastic as a third unitary member. The seat is formed from plastic as a fourth unitary member. The backrest is attached to each of the first support structure and the second support structure by way of snap-fit interlocking features. The seat is attached to each of the first support structure and the second support structure by way of snap-fit interlocking features.
In accordance with still another embodiment, a chair comprises a first support structure, a second support structure, a backrest, and a seat. The first support structure comprises a first base, a first upright member extending above the first base, a first leg and a second leg. Each of the first leg and the second leg extend below the first base. The second support structure is releasably interlocked with the first support structure. The second support structure comprises a second base, a second upright member extending above the second base, a third leg and a fourth leg. Each of the third leg and the fourth leg extends below the second base. The backrest is releasably attached to each of the first upright member and the second upright member. The seat is releasably attached to each of the first base and the second base.
While the specification concludes with claims particularly pointing out and distinctly claiming the present invention, it is believed that the same will be better understood from the following description taken in conjunction with the accompanying drawings in which:
Certain embodiments are hereinafter described in detail in connection with the views and examples of
In one embodiment, each of the seat 14, the backrest 16, and the support structures 20 and 40 can be formed from plastic as a respective unitary member such as, for example, during a blow molding process, an injection molding process, or a rotomolding or rotary molding process. However, it will be appreciated that one or more components of a chair in accordance with alternative embodiments can be formed from materials other than plastic, and/or through use of any of a variety of other processes. In one embodiment, such as when formed from plastic in a rotary molding or blow molding process, and such as in the embodiment of
The support structure 20 is shown to include legs 24 and 26, an upright member 28, and a base 30. Each of the legs 24 and 26 is shown to extend below the base 30. The upright member 28 is shown to extend above the base 30. Likewise, the support structure 40 is shown to include legs 44 and 46, an upright member 48, and a base 50. Each of the legs 44 and 46 is shown to extend below the base 50. The upright member 48 is shown to extend above the base 50.
The support structures 20 and 40 can be releasably interlocked. For example, with reference to
The legs 24, 26, 44, and 46 are shown in
In one embodiment, such as shown in
In one embodiment, as shown in
The seat 14 can be attached to each of the support structures 20 and 40 in any of a variety of suitable configurations. More particularly, the seat 14 can be releasably attached to each of the respective bases 30 and 50 of the respective support structures 20 and 40. For example, the seat 14 can be attached to each of the support structures 20 and 40 by way of snap-fit interlocking features which can be provided in any of a variety of suitable configurations. In one embodiment, the snap-fit interlocking features can comprise at least one tab/groove combination. For example, with reference to
In one embodiment, as shown in
The backrest 16 can be attached to each of the support structures 20 and 40 in any of a variety of suitable configurations. In one embodiment, such as in the example of
It will be appreciated that the support structures 20 and 40 can have a similar shape, and can have a substantially similar outer perimeter, except with respect to differences such as with respect to the notches 22 and 42 and the seat tabs 38, 39 and 58, 59. It will also be appreciated that the chair 10 can be easily reconfigured by a person between an assembled orientation (shown in
In one embodiment, the seat 14 can include a reinforcement structure 90, as shown in
The foregoing description of embodiments and examples of the invention has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the forms described. Numerous modifications are possible in light of the above teachings. Some of those modifications have been discussed and others will be understood by those skilled in the art. The embodiments were chosen and described in order to best illustrate the principles of the invention and various embodiments as are suited to the particular use contemplated. The scope of the invention is, of course, not limited to the examples or embodiments set forth herein, but can be employed in any number of applications and equivalent devices by those of ordinary skill in the art. Rather it is hereby intended the scope of the invention be defined by the claims appended hereto.
Claims
1. A chair comprising:
- a first support structure defining a first notch;
- a second support structure defining a second notch;
- a backrest attached to each of the first support structure and the second support structure; and
- a seat attached to each of the first support structure and the second support structure; wherein
- the first notch receives a portion of the second support structure adjacent to the second notch;
- the second notch receives a portion of the first support structure adjacent to the first notch; and
- in use of the chair by a person, the first support structure and the second support structure are together configured to entirely support the seat and the backrest with respect to a ground surface.
2. The chair of claim 1 wherein:
- the first support structure comprises a first leg, a second leg, and a first upright member, the first leg comprises a first ground contacting surface, the second leg comprises a second ground contacting surface;
- the second support structure comprises a third leg, a fourth leg, and a second upright member, the third leg comprises a third ground contacting surface, the fourth leg comprises a fourth ground contacting surface; and
- the first ground contacting surface, the second ground contacting surface, the third ground contacting surface, and the fourth ground contacting surface are coplanar within a ground plane.
3. The chair of claim 2 wherein:
- the first support structure extends along a first generally vertical plane, the first generally vertical plane intersects each of the first ground contacting surface and the second ground contacting surface;
- the second support structure extends along a second generally vertical plane, the second generally vertical plane intersects each of the third ground contacting surface and the fourth ground contacting surface; and
- the first generally vertical plane intersects the second generally vertical plane.
4. The chair of claim 3 wherein the first generally vertical plane is perpendicular to the second generally vertical plane.
5. The chair of claim 3 wherein:
- the first support structure further comprises a first seat contacting surface;
- the second support structure further comprises a second seat contacting surface;
- the first seat contacting surface and the second seat contacting surface contact the seat and cooperate to define a support plane; and
- the first generally vertical plane and the second generally vertical plane intersect the support plane.
6. The chair of claim 5 wherein the support plane is generally parallel with the ground plane.
7. The chair of claim 3 wherein:
- the second ground contacting surface is spaced from the first ground contacting surface such that the first ground contacting surface and the second ground contacting surface are spaced from the second generally vertical plane and are disposed upon opposite sides of the second generally vertical plane; and
- the third ground contacting surface is spaced from the fourth ground contacting surface such that the third ground contacting surface and the fourth ground contacting surface are spaced from the first generally vertical plane and are disposed upon opposite sides of the first generally vertical plane.
8. The chair of claim 7 wherein:
- the first support structure comprises a first arcuate surface extending at least partially between the first ground contacting surface and the second ground contacting surface;
- the second support structure comprises a second arcuate surface extending at least partially between the third ground contacting surface and the fourth ground contacting surface; and
- substantial portions of each of the first arcuate surface and the second arcuate surface are spaced from the ground plane.
9. The chair of claim 2 wherein:
- the first upright member comprises a first backrest contacting surface;
- the second upright member comprises a second backrest contacting surface spaced from the first backrest contacting surface; and
- each of the first backrest contacting surface and the second backrest contacting surface contacts the backrest.
10. The chair of claim 9 wherein the seat is spaced from the backrest.
11. The chair of claim 9 wherein:
- the first support structure comprises a first ledge extending from the first upright member, the first ledge having a first ledge surface;
- the second support structure comprises a second ledge extending from the second upright member, the second ledge having a second ledge surface;
- the first ledge surface is generally perpendicular to the first backrest contacting surface;
- the second ledge surface is generally perpendicular to the second backrest contacting surface; and
- each of the first ledge surface and the second ledge surface contacts the backrest.
12. The chair of claim 1 wherein:
- the first support structure is formed from plastic as a first unitary member;
- the second support structure is formed from plastic as a second unitary member;
- the backrest is formed from plastic as a third unitary member; and
- the seat is formed from plastic as a fourth unitary member.
13. The chair of claim 12 consisting essentially of the first unitary member, the second unitary member, the third unitary member, and the fourth unitary member.
14. The chair of claim 1 wherein:
- the first support structure comprises a first seat tab and a first backrest tab;
- the second support structure comprises a second seat tab and a second backrest tab;
- the seat comprises a first seat groove and a second seat groove;
- the backrest comprises a first backrest groove and a second backrest groove;
- the first seat tab engages the first seat groove;
- the second seat tab engages the second seat groove;
- the first backrest tab engages the first backrest groove; and
- the second backrest tab engages the second backrest groove.
15. The chair of claim 1 wherein each of the first support structure and the second support structure is formed from plastic having a first color, each of the seat and the backrest is formed from plastic having a second color, and the first color is different than the second color.
16. The chair of claim 1 wherein the backrest defines a handle aperture extending through the backrest.
17. A chair comprising:
- a first support structure;
- a second support structure;
- a backrest attached to each of the first support structure and the second support structure by way of snap-fit interlocking features; and
- a seat attached to each of the first support structure and the second support structure by way of snap-fit interlocking features; wherein
- each of the first support structure, the second support structure, the seat, and the backrest is formed from plastic as a respective unitary member.
18. A chair consisting essentially of:
- a first support structure formed from plastic as a first unitary member;
- a second support structure formed from plastic as a second unitary member;
- a backrest formed from plastic as a third unitary member; and
- a seat formed from plastic as a fourth unitary member; wherein:
- the backrest is attached to each of the first support structure and the second support structure by way of snap-fit interlocking features; and
- the seat is attached to each of the first support structure and the second support structure by way of snap-fit interlocking features.
19. A chair comprising:
- a first support structure, the first support structure comprising a first base, a first upright member extending above the first base, a first leg and a second leg, each of the first leg and the second leg extending below the first base;
- a second support structure releasably interlocked with the first support structure, the second support structure comprising a second base, a second upright member extending above the second base, a third leg and a fourth leg, each of the third leg and the fourth leg extending below the second base;
- a backrest releasably attached to each of the first upright member and the second upright member; and
- a seat releasably attached to each of the first base and the second base.
20. The chair of claim 19 wherein:
- the first base defines a first notch;
- the second base defines a second notch aligned with the first notch; and
- the first notch receives a portion of the second base and the second notch receives a portion of the first base.
21. The chair of claim 20 wherein:
- the first support structure further comprises a first seat tab integral with and extending above the first base;
- the second support structure further comprises a second seat tab and a third seat tab, each of the second seat tab and the third seat tab being integral with and extending above the second base; and
- each of the first seat tab, the second seat tab, and the third seat tab engages a respective one of a plurality of seat grooves in the seat.
22. The chair of claim 19 wherein:
- the second support structure extends transversely to the first support structure; and
- the first leg, the second leg, the third leg, and the fourth leg are substantially equally spaced from one another.
23. The chair of claim 19 wherein:
- the first support structure further comprises a first backrest tab integral with and extending from the first upright member;
- the second support structure further comprises a second backrest tab integral with and extending from the second upright member; and
- each of the first backrest tab and the second backrest tab engages a respective one of a plurality of backrest grooves in the backrest.
24. The chair of claim 19 wherein:
- the first support structure further comprises a first arcuate surface extending at least partially between the first leg and the second leg; and
- the second support structure further comprises a second arcuate surface extending at least partially between the third leg and the fourth leg.
25. The chair of claim 19 wherein:
- the first support structure is formed from plastic as a first unitary member; and
- the second support structure is formed from plastic as a second unitary member.
Type: Application
Filed: May 1, 2009
Publication Date: Nov 4, 2010
Inventors: Matthew C. Maxwell (Kent, OH), John D. Sinchok (Boston Heights, OH), Shelby J. Buell (Medina, OH), Paul Claude Gilles (Amherst, OH), John L. Hradisky (Aurora, OH)
Application Number: 12/434,347
International Classification: A47C 3/00 (20060101); A47C 7/00 (20060101); A47C 5/12 (20060101); A47C 7/16 (20060101); A47C 4/00 (20060101);