Abstract:
A seat is includes a seating surface, a peripheral surface extending transversely from the seating surface, a base surface extending from the peripheral surface, and a plurality of protrusions extending from the base surface. A seat and supporting surface combination includes a supporting surface, a seat resting on the supporting surface and including, a seating surface, a peripheral surface extending transversely from the seating surface, a base surface extending from the peripheral surface, and a plurality of protrusions extending from the base surface and engaging the supporting surface.

Description:
CROSS REFERENCE TO RELATED APPLICATION 
       [0001]    This application is based upon and claims priority on U.S. Provisional Application No. 61/943,968 filed on Feb. 24, 2014, the contents of which are fully incorporated herein by reference. 
     
    
     BACKGROUND 
       [0002]    Seats, such as booster seats used over chairs, as for example in movie theaters to support children, include a raised seating surface and legs extending from the seating surface. A Velcro type material typically adheres at the base of the legs, such that when the child seat is placed on top of the seating surface, the Velcro type material engages the fabric surface of the seat and grips onto it. The problem with these types of seats is that the Velcro at many times delaminates or disconnects from the base of the child seat. Furthermore, when the seat is pulled off, the Velcro type material tends to damage the fabric of the seat as it pulls fibers out from the seat or otherwise scrapes the fibers of the seat creating fuzz on the seat fabric and often weaken the fabric leading to holes forming on the fabric. 
       SUMMARY OF THE INVENTION 
       [0003]    In an example embodiment, a seat, such as a child seat, is provided including a seating surface, a peripheral surface extending transversely from the seating surface, a base surface extending from the peripheral surface, and a plurality of protrusions extending from the base surface. In another example embodiment, the base surface extends transversely for the entire peripheral surface. In a further example embodiment, the base surface is an annular surface. In yet another example embodiment, the base includes a first side opposite and second side, a third side extending between the first and second sides, a fourth side opposite the third side and extending between the first and second sides. In a further example embodiment, the plurality of protrusions extend only from the first and second sides. In yet a further example embodiment, the protrusion are blunt protrusions. In one example embodiment, the protrusion are elongated protrusions elongated along the base, and each of the plurality of protrusions has a length along the base, a width transverse to the base and a height extending from the base, such that the length is greater than the width and greater than the height. In another example embodiment, the height is in the range of 1 to 5 mm, the width is in the range of 2 to 7 mm, and wherein length is in the range of 3 to 15 mm, wherein the length is greater than the width which is greater than the height. In yet another example embodiment, each of the plurality of protrusions is hemi-spherical. In a further example embodiment, each of the plurality of protrusions has a height extending from the base such that each protrusion has at least one dimension transverse to its height in the range of 2 to 10 mm In yet a further example embodiment, the base surface is made from a first material and the protrusions are made from a second material different than the first material. 
         [0004]    In a further example embodiment, a seat, such as a child seat, and supporting surface combination is provided including a supporting surface, a seat resting on the supporting surface and including, a seating surface, a peripheral surface extending transversely from the seating surface, a base surface extending from the peripheral surface, and a plurality of protrusions extending from the base surface and engaging the supporting surface. In yet another example embodiment, the supporting surface is a fabric surface. In another example embodiment, the supporting surface is a leather surface. In yet another example embodiment, the supporting surface is a plastic surface. In one example embodiment, the supporting surface is a surface of a seat. In another example embodiment, the supporting surface is a surface of a cinema seat. In yet another example embodiment, the base surface extends transversely for the entire peripheral surface. In a further example embodiment, the base surface is an annular surface. In a further example embodiment, the base surface is an annular surface. In yet another example embodiment, the base includes a first side opposite and second side, a third side extending between the first and second sides, a fourth side opposite the third side and extending between the first and second sides. In a further example embodiment, the plurality of protrusions extend only from the first and second sides. In yet a further example embodiment, the protrusion are blunt protrusions. In one example embodiment, the protrusion are elongated protrusions elongated along the base, and each of the plurality of protrusions has a length along the base, a width transverse to the base and a height extending from the base, such that the length is greater than the width and greater than the height. In another example embodiment, the height is in the range of 1 to 5 mm, the width is in the range of 2 to 7 mm, and wherein length is in the range of 3 to 15 mm, wherein the length is greater than the width which is greater than the height. In yet another example embodiment, each of the plurality of protrusions is hemi-spherical. In a further example embodiment, each of the plurality of protrusions has a height extending from the base such that each protrusion has at least one dimension transverse to its height in the range of 2 to 10 mm In yet a further example embodiment, the base surface is made from a first material and the protrusions are made from a second material different than the first material. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0005]      FIG. 1  is a perspective view of an example embodiment seat. 
           [0006]      FIG. 2  is a bottom view of the example embodiment seat shown in  FIG. 1 . 
           [0007]      FIG. 3  is a side view of the example embodiment seat shown in  FIG. 1 . 
           [0008]      FIG. 4  is a bottom view of another example embodiment seat. 
           [0009]      FIGS. 5A and 5B  depict partial exploded views of  FIGS. 2 and 3 , respectively. 
           [0010]      FIG. 6  is a partial exploded view of another example embodiment seat. 
       
    
    
     DETAILED DESCRIPTION 
       [0011]    In an example embodiment, a seat, such as a child seat,  10  of the present disclosure has a unitary structure which includes a seating surface  12  and a peripheral surface  14  extending transversely from the seating surface, as for example shown in  FIG. 1 . Example embodiments are described herein in reference to a child seat for illustrative purposes only. In one example embodiment the seat is a child seat. In other example embodiments, the seat may be a seat for adults. A base  16  is defined at the bottom of the peripheral surface of the seat, as for example shown in  FIGS. 1 and 2 . The peripheral surface in an example embodiment defines a front surface  18  opposite a rear surface  20  and two opposite side surfaces  22 ,  24  extending between the front surface  18  and rear surface  20 . In an example embodiment, the seat is molded, as for example by injection molding, rotational molding or other molding process from a single material. Example materials that may be used to form the seat include but are not limited to polyethylene, polypropylene, ABC and combinations thereof. The base  16  extends transversely or radially outward from the peripheral surface as for example shown in  FIGS. 1 and 2 . In other example embodiments, the base may extend radially inward from the peripheral surface. In other example embodiments, the base may extend along the entire peripheral surface. In such an embodiment, the base has a front portion  26  extending from the front surface  18 , a rear portion  28  extending from the rear surface  20 , and two opposite side portions  30 ,  32 , extending from the opposite side surfaces  20  and  22 , respectively, as for example shown in  FIG. 2 . In other example embodiments, the base may extend along a portion or portions of the peripheral surface. For example, it may extend only along opposite surfaces of the peripheral surface, i.e., may extend only from the front and rear surfaces or from the two opposite side surfaces. In other words the base may only have a front and a rear portion or two side portions, or any two portions or any portion thereof. 
         [0012]    Protrusions  34  extend from the base  16 , as for example shown in  FIGS. 2 ,  3  and  4 . In an example embodiment, protrusions extend only from the base side portions  30 ,  32 , as for example shown in  FIG. 2 . In an example embodiment each protrusion defines a blunt, non-sharp, surface. In an example embodiment, as shown in  FIGS. 2 and 3 , the protrusions are elongated rib-like protrusions  36  extending below the base and from the base and which are spaced apart from each other. These protrusions may be parallel to each other. They also may be staggered relative to each other. As shown in  FIG. 2 , in an example embodiment these rib-like protrusions have a length  40  that may run along a width  42  of the base portion. In this regard, when the seat is placed with its base on a surface, the rib-like protrusions provide more friction against such surface in a direction transverse to the width  42 . In an example embodiment, the protrusions run along a portion of the width of each base portion on which they are formed or along the entire width of each base portion on which they are formed. In another example embodiment the protrusions may extend from all of the base portions, i.e., the front and rear portions as well as the side portions, as for example shown in  FIG. 4 . In another example embodiment, the protrusions span only a portion of at least one of the base portions. 
         [0013]    In another example embodiment, instead of rib-like protrusions, hemispherical protrusions  43  may extend from the base portion(s), as for example shown in  FIG. 4 . The protrusions may be spaced apart and may be staggered. Some protrusions  34  may be round having a flatter upper surface, as for example shown in  FIG. 6 . In an example embodiment, such protrusions having a height  58  of about 2.8 mm and a diameter  60  of about 3.8 mm. 
         [0014]    In an example embodiment, the protrusions and the base are formed from the same material. In another example embodiment, the protrusions may be formed from a different material than at least a major portion of the child seat. In a further example embodiment, the protrusions are formed from a different material than the entire seat. In yet further example embodiments, the protrusions and/or at least a portion of the seat is made from a first material while the rest of the seat is made from a second different material or other different materials. The seat in an example embodiment is however formed as a unitary structure in that the seat and protrusions are all formed during the same process, as for example during the same molding process. In the shown example embodiment, the seat is one continuous surface. In this regard, it is easy to manufacture. In an example embodiment, when the child seat is placed on a regular seat, as for example a cinema seat, the protrusions press against the fabric when the child sits on the child seat, creating sufficient friction preventing the child seat from sliding relative to the seat. In addition, the blunt protrusions do not damage the fabric, unlike Velcro. Moreover, because the protrusions are integrally formed with a child seat, they do not delaminate from the child seat. 
         [0015]    To provide for sufficient grip with the seat that the child rest rests upon in an example embodiment each protrusion has a height  50  in the range of 1 to 5 mm, a width  52  in the range of 2 to 7 mm and a length  54  of 3 to 15 mm ( FIGS. 5A and 5B ). In other example embodiments, each protrusion has a height in the range of 2 to 4 mm, a width in the range of 2 to 5 mm, and a length of 5 to 10 mm. In one example embodiment, the height  50  is about 2.8 mm, the width  52  is about 3.8 mm and the length  54  about 12.3 mm. The upper surface has two opposite rounded edges  56 , each having a radius of about 1.6 mm. In other example embodiments, each protrusion has at least a dimension transverse to its height (e.g., length, width or diameter) in the range of 2 to 10 mm, preferably in the range of 2 to 5 mm, and more preferably in the range of 3 to 5 mm. Moreover, unlike Velcro, the protrusions allow for the child seat to be used on leather, plastic and other material surface seats or chairs, as the protrusions of the present disclosure will not damage such materials in such seats or chairs. 
         [0016]    In other example embodiments, instead of the base being annular, the base extends along an entire bottom of the child seat. For example, the base extends the entire distance between the two side surfaces  22 ,  24  and between the first surface  18  and the rear surface  20 . 
         [0017]    While this invention has been described in detail with particular references to embodiments thereof, the embodiments described herein are not intended to be exhaustive or to limit the scope of the invention to the exact forms disclosed. Persons skilled in the art and technology to which this invention pertains will appreciate that alterations and changes in the described structures and methods of assembly and operation can be practiced without meaningfully departing from the principles, spirit, and scope of this invention.