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11/20/08 - USPTO Class 297 |  1 views | #20080284215 | Prev - Next | About this Page  297 rss/xml feed  monitor keywords

Stackable chair

USPTO Application #: 20080284215
Title: Stackable chair
Abstract: A chair according to the invention is provided. The chair preferably includes a substantially square seat. The seat includes four walls. Each of the walls preferably projects substantially perpendicularly downward from one side of the outer perimeter of the upper surface. Each of the walls preferably includes an interior surface and an exterior surface. Each of the walls preferably includes a stability tab mounted on the interior surface. The stability tab is adapted to engage at least a portion of a chair that is stacked immediately beneath the folding chair. The chair also preferably includes a first rigid portion that is pivotably attached to the seat at a first set of two contact points. The first rigid portion includes a backrest. The second rigid portion is pivotably attached to the seat at a second set of two contact points. Finally, the chair may include a pair of connectors. Each of the pair may be pivotably attached to the first rigid portion and pivotably attached to the second rigid portion. (end of abstract)



USPTO Applicaton #: 20080284215 - Class: 297 162 (USPTO)

Stackable chair description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20080284215, Stackable chair.

Brief Patent Description - Full Patent Description - Patent Application Claims
  monitor keywords BACKGROUND OF THE INVENTION

This invention relates to chairs. More specifically, this invention relates to increasing stackability of a folding chair or other suitable chair.

Many common, inexpensive chairs are constructed in a way that makes the chairs stackable. Stackability is desirable in a chair because it promotes more efficient storage and eases the movement of multiple chairs from one place to another. More specifically, the chairs, when stackable, may be moved en masse with a single device such as a dolly. As such, when the chairs are stackable on a dolly or other carrying device, a single operant can move many more chairs than he would typically be able to.

It would be desirable to make chairs that are more stackable—i.e., may be stacked in a more stable fashion—than conventional chairs.

It would also be desirable to make stackable chairs that may be stacked and moved with a dolly.

SUMMARY OF THE INVENTION

It is an object of this invention to make chairs that are more stackable—i.e., may be stacked in a more stable fashion—than conventional chairs.

It is another object of this invention to make stackable chairs that may be stacked and moved with a dolly.

A chair seat according to the invention preferably includes a substantially square upper surface. The chair seat also preferably includes four walls. Each of the walls preferably projects substantially perpendicularly downward from one side of the outer perimeter of the upper surface. Each of the walls may include an interior surface and an exterior surface. Each of the walls preferably includes at least one stability tab mounted on the interior surface. The stability tab preferably is adapted to engage at least a portion of a chair that is stacked immediately beneath a chair of which the folding chair seat forms a part. Preferably, the stability tabs increase the stability of the stack of chairs. This increased stability allows the chairs to be moved more easily from place to place.

BRIEF DESCRIPTION OF THE DRAWINGS

The objects and advantages of the invention will be apparent upon consideration of the following detailed description, taken in conjunction with the accompanying drawings, in which like reference characters refer to like parts throughout, and in which:

FIG. 1 shows a perspective view of a folding chair according to the invention in a deployed position;

FIG. 2 shows a back view of a folding chair according to the invention in a stored position;

FIG. 3 shows a perspective view from the underneath of a chair seat according to the invention;

FIG. 4 shows a perspective view of a dolly holding multiple chairs in a stored position;

FIG. 5 shows a perspective view from the underneath of another chair seat according to the invention; and

FIG. 6 shows a perspective view from the underneath of another chair seat according to the invention.



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Previous Patent Application:
Over and under swing seat
Next Patent Application:
Folding chair
Industry Class:
Chairs and seats

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