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  Article of footwear with powered elements and shaped power sourceUSPTO Application #: 20060101674Title: Article of footwear with powered elements and shaped power source Abstract: An article of footwear includes an upper, a sole assembly secured to the upper, and a woven fabric of light elements forming a portion of the upper. In another embodiment, an article of footwear includes an upper, a sole assembly secured to the upper, and a light fiber forming a stitching line on a portion of the upper. In a further embodiment, an article of footwear includes an upper, a sole assembly secured to the upper, a powered element on one of the upper and sole assembly, and a power source operably connected to the powered element, with the power source received in one of the upper and the sole assembly and having a shape that conforms substantially to a portion of one of the upper and the sole assembly. (end of abstract) Agent: Banner & Witcoff, Ltd. - Boston, MA, US Inventor: Joseph L. Ungari USPTO Applicaton #: 20060101674 - Class: 036137000 (USPTO) Related Patent Categories: Boots, Shoes, And Leggings, Boots And Shoes, Shoe Attachment (e.g., Ornament, Pocket, Etc.), Light-reflecting Or Illuminating Means The Patent Description & Claims data below is from USPTO Patent Application 20060101674. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF THE INVENTION [0001] This invention relates generally to an article of footwear, and, in particular, to an article of footwear with powered elements such as light elements and a power source shaped to conform to a portion of the article of footwear. BACKGROUND OF THE INVENTION [0002] Articles of footwear have been known to include devices that require a power source in order to run. Examples of such devices include light elements, e.g., lights such as LED's, optical fibers, and electro-luminescent (EL) materials. Such electrically powered elements can provide functional advantages and aesthetic appeal, as well as enhanced visibility and, therefore, safety for the user. Known power sources for such devices are typically batteries, which are bulky and typically have simple cylindrical or rectangular cubic shapes. Batteries with such bulky sizes and shapes do not mate with or conform well within the complex geometry of articles of footwear. Placing batteries on the exterior of a shoe creates problems of bulk and interference with the opposing shoe as well as external objects. [0003] It would be desirable to provide an article of footwear with a light element on an upper where the illumination of the light element on a portion of the upper is provided by the actual thread of a woven fabric. It would also be desirable to provide a power source for powered elements that is shaped to conform to a portion of the article of footwear and which reduces or overcomes some or all of the difficulties inherent in prior known devices. Particular objects and advantages of the invention will be apparent to those skilled in the art, that is, those who are knowledgeable or experienced in this field of technology, in view of the following disclosure of the invention and detailed description of certain preferred embodiments. SUMMARY [0004] The principles of the invention may be used to advantage to provide an article of footwear with one or more powered elements such as light elements, and a power source shaped to conform to a portion of the article of footwear. In accordance with a first aspect, an article of footwear includes an upper, a sole assembly secured to the upper, and a woven fabric of light elements that forms a portion of the upper. [0005] In accordance with another aspect, an article of footwear includes an upper, a sole assembly secured to the upper, and a light fiber forming a stitching line on a portion of the upper. [0006] In accordance with a further aspect, an article of footwear includes an upper, a sole assembly secured to the upper, a powered element on one of the upper and sole assembly, and a power source operably connected to the powered element, with the power source received in one of the upper and the sole assembly and having a shape that conforms substantially to a portion of one of the upper and the sole assembly. [0007] Substantial advantage is achieved by providing an article of footwear with light elements and/or powered elements and a power source shaped to conform to a portion of the article of footwear. In particular, enhanced aesthetic appeal can be provided, safety for the user can be improved, and such a power source can reduce the bulk typically associated with batteries used in footwear for powered elements. [0008] These and additional features and advantages of the invention disclosed here will be further understood from the following detailed disclosure of certain preferred embodiments. BRIEF DESCRIPTION OF THE DRAWINGS [0009] FIG. 1 is a perspective view of an article of footwear in accordance with a preferred embodiment of the present invention. [0010] FIG. 2 is a perspective view, in exploded form, of an alternative embodiment of a power source of the article of footwear of FIG. 1, shown adjacent a heel counter of the article of footwear. [0011] FIG. 3 is an elevation view of an alternative embodiment of an article of footwear in accordance with the present invention. [0012] The figures referred to above are not drawn necessarily to scale and should be understood to provide a representation of the invention, illustrative of the principles involved. Some features of the article of footwear with light elements and powered elements and a power source depicted in the drawings have been enlarged or distorted relative to others to facilitate explanation and understanding. The same reference numbers are used in the drawings for similar or identical components and features shown in various alternative embodiments. Articles of footwear with light elements and powered elements and a power source as disclosed herein would have configurations and components determined, in part, by the intended application and environment in which they are used. DETAILED DESCRIPTION OF CERTAIN PREFERRED EMBODIMENTS [0013] The present invention may be embodied in various forms. A preferred embodiment of an article of footwear 10 in accordance the present invention is shown in FIG. 1. Footwear 10 includes a sole assembly 12 and an upper 14 secured to sole assembly 12. Upper 14 forms an interior void that comfortably receives a foot and secures the position of the user's foot relative to sole assembly 12. The configuration of upper 14, as depicted, is suitable for use during athletic activities. Accordingly, upper 14 may have a lightweight, breathable construction that includes multiple layers of leather, textile, polymer, and foam elements adhesively bonded and stitched together. For example, upper 14 may have an exterior that includes leather elements and textile elements for resisting abrasion and providing breathability, respectively. The interior of upper 14 may have foam elements for enhancing the comfort of footwear 10, and the interior surface may include a moisture-wicking textile for removing excess moisture from the area immediately surrounding the foot. [0014] For purposes of general reference, footwear 10 may be divided into three general portions: a forefoot portion 16, a midfoot portion 18, and a heel portion 20. Portions 16, 18, and 20 are not intended to demarcate precise areas of footwear 10. Rather, portions 16, 18, and 20 are intended to represent general areas of footwear 10 that provide a frame of reference during the following discussion. [0015] Sole assembly 12 includes a midsole 22 to which upper 14 is secured, and an outsole 24, which may include a tread pattern (not shown) for added traction. An insole (not shown) may be positioned within upper 14 above midsole 22. [0016] Footwear 10 includes one or more powered elements 25. Each powered element 25 is positioned on or in one of upper 14 or sole assembly 12. In certain embodiments, a powered element 25 may be a light element, such as a light fiber presented as a stitching line 27. As illustrated here, stitching line 27 is an alphanumeric character on upper 14. The stitches of stitching line 27 may be formed of, for example, light conducting or light emitting fibers such as optical fibers or electroluminescent material. In certain preferred embodiments, side light fibers may be used, which emit light along at least a portion of their length. In such an embodiment, the illumination provided on the upper is provided by the actual thread forming stitching line 27. [0017] Each powered element 25 is powered by a power source 26. Stitching line 27 is operably connected to power source 26 by a cable 28. Power source 26 may be a battery in certain preferred embodiments. Power source 26 is molded or otherwise formed to have a desired shape. Power source 26 is advantageously shaped to substantially conform to one or more surfaces of a portion of footwear 10. This helps to reduce the bulk typically associated with a battery, and allows power source 26 to be placed in a portion of footwear 10 without increasing the profile of footwear 10. Thus, in many embodiments power source 26 will have one or more curved surfaces and such curved surfaces may be compound curved surfaces. [0018] In the illustrated embodiment, power source 26 is positioned within padding 30 positioned about an ankle opening 32 of footwear 10. In such an embodiment, power source 26 is substantially cylindrical, and, more preferably, a curved cylindrical member. [0019] In certain preferred embodiments, as illustrated in FIG. 1, footwear 10 includes a plurality of powered elements 25. Another embodiment of a powered element 25 taking the form of a light element is a woven fabric 34 of light elements that forms a portion of upper 14. Woven fabric 34 is seen here as forming a symbol, but it is to be appreciated that woven fabric 34 can take any desired shape and/or form any desired pattern. Woven fabric 34 can be formed of light conducting or light emitting fibers such as optical fibers, electroluminescent material, side light fibers, etc. Suitable side light fibers for forming woven fabric 34 can be provided by Fiberstars Inc. In such an embodiment, the illumination provided on upper 14 is provided by the actual thread of woven fabric 34. Woven fabric 34 is connected to power source 26 by a cable 36. Continue reading... Full patent description for Article of footwear with powered elements and shaped power source Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Article of footwear with powered elements and shaped power source patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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