# Patent

## Title
Adjustable stool

## Abstract

An adjustable stool is transferrable between a stow position and a use position. The adjustable stool includes at least two arms that are pivotally attached to a base. The at least two arms can pivot between two positions. The adjustable stool also includes a seat platform, upon which a user sits, stands, and/or kneels when the adjustable stool is in the use position. The seat platform can engage the at least two arms when the at least two arms are in an upright or angular position relative to the base. The seat platform is selectively suspendable between the at least two arms at different heights relative to the base. The at least two arms are able to fold flat and be contained in the base when the adjustable stool is in the stow position.

## Background
TECHNICAL FIELD
The present disclosure relates generally to adjustable stools.
BACKGROUND
Various seats currently on the market are adjustable using, for example, hydraulics, such as office chairs. However, the seats currently available on the market are not transformable between a stow position and a use position. Also, the seats currently available on the market are not adjustable by selectively suspending the seat at different heights.
SUMMARY
The present disclosure relates to adjustable stools that are transformable between a stow position and a use position. In one example, an adjustable stool includes a base, a first arm, a second arm, and a seat platform. The first arm is pivotally attached to the base adjacent a first end of the base. The second arm is pivotally attached to the base adjacent a second end of the base, where the second end of the base is opposite the first end of the base. The seat platform is selectively suspendable between the first arm and the second arm at different heights relative to the base.
In another example, an adjustable stool includes a base, at least two arms, and a seat platform. The base extends along a plane. The at least two arms are each pivotally attached adjacent opposite ends of the base. The at least two arms pivot relative to the plane between a first position and a second position. The at least two arms extend angular to the plane in the first position. The at least two arms extend substantially parallel to the plane in the second position. The seat platform is selectively suspendable between the at least two arms
In another example, an adjustable stool includes a base, a seat platform, a first arm, and a second arm. The seat platform includes two tongues disposed on opposing ends of the seat platform. The seat platform is selectively suspendable between the first arm and the second arm. The first arm is attached adjacent a first end of the base. The first arm includes at least two grooved portions spaced apart from one another at different heights. The grooved portions are sized to receive any one of the two tongues on the seat platform. Each of the at least two grooved portions have a respective support surface. The second arm is attached adjacent a second end opposite the first end of the base. The second arm includes at least two ledges for supporting the other tongue on the seat platform. Each of the two ledges have a respective support surface. The at least two ledges of the second arm are positioned on the second arm such that each of the respective support surfaces of the ledges are substantially parallel to the respective support surfaces of the grooved portions on the first arm.



BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a view of an adjustable stool with arms in a use position.
FIG. 2 is a view of an adjustable stool with arms in a stow position.
FIG. 3 is a top view of a seat platform of the adjustable stool.
FIG. 4 is a view of arms of the adjustable stool, and the seat platform.
FIGS. 5A-5C show the adjustable stool with the seat platform at different heights.



DETAILED DESCRIPTION
The present disclosure is directed to an adjustable stool. The seat is adjustable and stowable. The adjustable stool includes at least two arms that are attached to a base. The at least two arms can pivot between two positions, a use position and a stow position. The adjustable stool also includes a seat platform, upon which a user sits, stands, or kneels. The seat platform engages the at least two arms when the at least two arms are in the use position. The seat platform is selectively suspendable between the at least two arms at different heights relative to the base. The at least two arms fold flat and are contained in the base when the at least two arms are in the stow position.
Detailed examples are disclosed herein; however, it is to be understood that the disclosed examples are intended only to facilitate the description. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the aspects herein in virtually any appropriately detailed structure. Further, the terms and phrases used herein are not intended to be limiting but rather to provide an understandable description of possible implementations. Various examples are shown in FIGS. 1-5C, but the examples are not limited to the illustrated structure or application.
It will be appreciated that for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. In addition, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the examples described herein can be practiced without these specific details. The present disclosure incorporates by reference now abandoned U.S. patent application Ser. No. 14/696,673 to Frank William THIEL, titled “Multifunctional Utility Cart”, in its entirety.
Referring now to FIG. 1 and FIG. 2, an adjustable stool 100 is shown. The adjustable stool 100 includes a base 102, and at least two arms. As shown in FIG. 1, the adjustable stool can include a first arm 104 and a second arm 106. Exemplary materials used in forming the adjustable stool 100 (including one or more components thereof) includes, for example, wood, plastic, metal, composites, or other generally rigid materials.
The base 102 can extend along a plane I. In one or more arrangements, the first arm 104 and the second arm 106 can be pivotally attached to the base 102. For example, the first arm 104 and the second arm 106 can be pivotally attached to the base 102 adjacent opposite ends of the base 102, as shown in FIGS. 1 and 2. The first and second arm 104, 106 can be attached to the base 102 via, for example, using a hinge bracket, joints, pins which the respective arms can rotate about, etc.
In this example, the first arm 104 and the second arm 106 can rotate between a first position (shown in FIG. 1) and a second position (shown in FIG. 2). The first position can correspond to a use position, and the second position can correspond to a stow position.
In general, the first position can correspond to the first arm 104 and the second arm 106 extending angular to the base 102. For example, the first arm 104 and the second arm 106 can extend angular to the plane I of the base 102. In one or more arrangements, the first arm 104 and the second arm 106 can be maintained in an upright position relative to the base in the first position. In one or more arrangements, the adjustable stool 100 can further include a locking mechanism (not shown) configured to maintain the angular orientation of the first and second arm 104, 106 relative to the base 102.
In general, the second position, shown in FIG. 2, can correspond to the first arm 104 and the second arm 106 extending substantially parallel to the base 102. For example, the first arm 104 and the second arm 106 can extend substantially parallel to the plane I of the base 102. In one or more arrangements, the first arm 104 can fold atop the second arm 106 in the second position. Additionally or alternatively, the second arm 106 can fold atop the first arm 104 in the second position.
As shown in FIG. 2, the first arm 104 and the second arm 106 can fold into and be contained in the base 102 when the first arm 104 and the second arm 106 are in the second position. The base 102 can optionally have walls 108 along the perimeter of the base 102 (or portions thereof). The walls 108 can extend upright relative to the plane I. The walls 108 can define an interior portion, which contains the first arm 104 and the second arm 106 when the first and second arm 104, 106 are in the second position.
The adjustable stool 100 can optionally include wheels 110, and a pull handle 112. The wheels 110 can be positioned on or adjacent to the bottom surface of the base 102, and can facilitate movement of the adjustable stool 100 between different locations. The pull handle 112 can be attached to the base 102. In one or more arrangements, the pull handle 112 can be pivotally attached to the base 102 on one of the walls 108. The pull handle 112 can provide means for a user to pull or push the adjustable stool 100 between different locations.
Referring now to FIG. 1 and FIG. 3, the adjustable stool 100 can further include a seat platform 114. FIG. 3 shows a top-view of the seat platform 114.
The seat platform 114 can be selectively suspendable between the first arm 104 and the second arm 106. The seat platform 114 can be selectively suspended between the first arm 104 and the second arm 106 when the first and second arm 104, 106 are in the first position (e.g., the use position shown in FIG. 1). The seat platform 114 can support a user between the first arm 104 and the second arm 106 when the adjustable stool 100 is in the use position. The user can sit, stand, and/or kneel on the seat platform 114.
The first arm 104 and the second arm 106 can fold flat in the second position (e.g., the stow position shown in FIG. 2), and the first arm 104, the second arm 106, and the seat platform 114 can be contained in the base 102. Additionally or alternatively, in arrangements where the pull handle 112 is included, the adjustable stool 100 can fold in an arrangement similar to what is depicted in FIG. 2. For example, the first arm 104, the second arm 106, and the seat platform 114 can fold flat and be contained in the base 102, and the pull handle 112 can fold atop the combination of the first and second arm 104, 106, and the seat platform 114.
As shown in FIG. 3, the seat platform 114 can include tongues 116. The base 112 can be positioned on opposite ends of the seat platform 114. The tongues 116 can extend outward from the seat platform 114. In one or more arrangements, the tongues 116 can extend parallel to the seat platform 114.
The seat platform 114 can further include a cushion 118. The cushion 118 can be positioned on the top surface of the seat platform 114. The cushion 118 can be fixably or removably attached to the seat platform 114. The cushion 118 can be attached to the seat platform 114 by any fastening process including but not limited to staples, glue, stitching, nails, snaps, buttons, fabric hook and loop fastener, or other fastening means. The composition and design of the cushion 118 can include, for example, a foam or polyurethane cushion surrounded by a weather-resistant vinyl covering. The cushion 118 can occupy any portion of a surface area of the top surface of the seat platform 114, from a total coverage of the top surface of the seat platform 114, to the seat platform 114 having no cushion 118.
Referring now to FIG. 1, FIG. 3 and FIG. 4, the tongues 116 can engage the arms 104, 106 to selectively suspend the seat platform 114 at different heights from the base 102. FIG. 4 shows a view of the arms 104, 106 of the adjustable stool 100, and the seat platform 114.
The first arm 104 can include at least one groove 120. The grooves 120 can be spaced apart from one another at different heights relative to the base 102. There can be any number of grooves 120, including two grooves 120 shown in FIG. 4, three grooves 120 shown in FIG. 1, and FIG. 5A-5C, or any number of grooves 120. The at least one groove 120 can be sized to receive one of the tongues 116 of the seat platform 114.
The at least one groove 120 can include a respective support surface 122. The support surface 122 can generally extend substantially parallel to a bottom surface of one of the tongues 116, when the first arm 104 is in the first position and the seat platform 114 is engaged to the first arm 104 via the groove 120. The support surface 122 can be the surface that supports one of the tongues 116 of the seat platform 114.
The second arm 106 can include at least one ledge 124. The at least one ledge 124 can be positioned at different heights relative to the base 102. There can be any number of ledges 124, including two ledges 124 shown in FIG. 4, three ledges 124 shown in FIG. 1, and FIG. 5A-5C, or any number of ledges 124. The at least one ledge 124 can support the other tongue 116 of the seat platform 114.
The at least one ledge 124 can include a respective support surface 126. The support surface 126 can generally extend substantially parallel to the bottom surface of the other tongue 116 of the seat platform 114, when the second arm 106 is in the first position and the seat platform 114 is engaged to the second arm 106 via the ledge 124. The support surface 126 can be the surface the supports the other tongue 116 of the seat platform 114 when the second arm 106 is in the first position. The support surface 126 of each of the ledges 124 can be substantially in plane with the support surface 122 of each of the grooves 120 when the first arm 104 and second arm 106 are in the first position. Accordingly, each of the at least one groove 120 can be aligned with each of the at least one ledge 124. When a seat platform 114 is engaged to the two arms 104, 106 in the use position, the grooves 120, ledges 124, and tongues 116 are positioned such that the seat platform 114 extends and is supported in a substantially parallel orientation to the plane I of base 102.
In operation, when a user wishes to transform the adjustable stool 100 from the stow position (shown in FIG. 2) to the use position (shown in FIG. 1), the user can remove the seat platform 114 from the base 102, and unfold each of the arms 104, 106. The user pivots each of the arms 104, 106 from extending substantially parallel to the plane I of the base 102, to angular to the plane I of the base 102. In one or more arrangements, the arms 104, 106 can extend in an upright orientation relative to the plane I of the base 102. The user then rests one of the tongues 116 of the seat platform 114 on one of the ledges 124 of the first arm 104. For example, the user can engage the seat platform 114 at the various heights shown in FIG. 5A-5C. This can be performed by, for example, angling the seat platform 114. The user slides the seat platform 114 where the tongue 116 extends fully into the second arm 106 so that the other tongue 116 is not touching the first arm 104 at any point. Once the tongue 116 is resting on top of one of the ledges 124 of the second arm 106, the user then slides the seat platform 114 towards the first arm 104, so that the other tongue 116 engages the groove 120 of the first arm 104. Accordingly, the groove 120 and the opposing ledge 124 are aligned such that the seat platform 114 extend in a parallel relationship to the base 102 when the adjustable stool 100 is in the use position.
Aspects herein can be embodied in other forms without departing from the spirit or essential attributes thereof. Accordingly, reference should be made to the following claims, rather than to the foregoing specification, as indicating the scope of the invention.

## Claims

1. An adjustable stool, comprising:
a base;
a seat platform having a pair of width edges extending along a width of the seat platform and a pair of length edges extending along a length of the seat platform, the seat platform further including two tongues each extending from a central region of one of the width edges of the seat platform, the seat platform being selectively suspendable between a first arm and a second arm at two or more predetermined heights;
the first arm pivotally attached adjacent a first end of the base, the first arm including at least two grooved portions spaced apart from one another at different heights, the grooved portions sized to receive one of the two tongues on the seat platform, each of the at least two grooved portions having a respective support surface, the first arm including two pillars and the grooved portions extend between the two pillars; and
the second arm pivotally attached adjacent a second end opposite the first end of the base, the second arm including at least two ledges for supporting the other tongue on the seat platform, each of the two ledges having a respective support surface, wherein the at least two ledges of the second arm are positioned on the second arm such that each of the respective support surfaces of the ledges are substantially parallel to the respective support surfaces of the grooved portions on the first arm.

2. The adjustable stool of claim 1, wherein the first arm and the second arm are pivotable between a first position and a second position.

3. The adjustable stool of claim 2, wherein:
the first arm and the second arm extend substantially angular to the base in the first position; and
the first arm and second arm extend substantially parallel to the base in the second position.

4. The adjustable stool of claim 3, wherein the seat platform is selectively suspendable between the first arm and the second arm when the first arm and second arm are in the first position.

5. The adjustable stool of claim 3, wherein the first arm folds atop the second arm in the second position.

6. The adjustable stool of claim 3, wherein the first arm, the second arm and the seat platform are contained in the base in the second position.

7. The adjustable stool of claim 3, wherein the second arm folds atop the first arm in the second position.

8. The adjustable stool of claim 7, wherein the first arm, the second arm and the seat platform are contained in the base in the second position.

9. The adjustable stool of claim 1, wherein:
the grooved portions each have an upper surface facing a respective one of the support surfaces of the grooved portions,
the ledge portions each have an upper surface facing a respective one of the support surfaces of the ledge portions, and
a space between the support surface and the upper surface of each grooved portion is less than a space between the support surface and the upper surface of each ledge portion.