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SockRelated Patent Categories: Apparel, Head Coverings, StockingsSock description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060130217, Sock. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS REFERENCE TO RELATED APPLICATION [0001] The present application is based upon PCT/DE2004/000130 having an International Filing Date of Jan. 29, 2004 and German Patent Application No. 203 01 812.5 filed Feb. 5, 2003. BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The invention relates to a sock, especially a sock which is used in sports activities. [0004] 2. Description of the Prior Art [0005] People frequently wear solid footwear on their feet. This is particularly the case if they move much and rapidly, for example, in sports activities, particularly if the movement processes involve frequent rolling of the feet; for example, during power walking, that is when people walk for a longer duration at increased speed, the foot is exposed to high stresses, which are concentrated particularly in the area of the balls of the feet and the heel, because the sole of the foot is arched upwards. The inward arch of the sole of the foot is here directed precisely opposite the rolling motion of the foot during walking or running. The middle area of the foot, as a result of an insufficiently large application surface, or absence of an application surface, is under constant stress, which often leads to cramping. In addition, because of the uneven distribution of the load, the tendons and ligaments can be exposed to increasing stress. SUMMARY OF THE INVENTION [0006] The purpose of the invention is to overcome these drawbacks. The invention is based on the problem of providing a sock which provides an uneven distribution of the loads that occur in sports activities, over the entire surface area of the sole of the foot, for example, during power walking. According to the invention, the problem is solved by the fact that the sole presents a rounded stepping area. [0007] The invention provides a sock, especially a sock which is used in sports activities, such as power walking, which provides an even distribution of the loads over the entire surface of the sole of the foot. By providing a rounded stepping area, the natural curvature of the middle of the foot is compensated and as a result a continuous application surface is achieved. Consequently, cramping in the middle area of the foot is prevented, and early fatigue of the foot is counteracted. In addition, shuffling while walking is counteracted. [0008] In a variant of the invention, the rounded stepping area is designed in the shape of an arch. The arch is preferably directed outward. As a result, the typical rolling motion of the foot is supported during walking, particularly power walking. [0009] In an embodiment of the invention, a climate channel is provided in the stepping area of the sock. As a result, it is possible to remove any humidity which develops in the area of the sole of the foot directly through the climate channel away from the area of the sole of the foot. The humidity can then escape through ventilation holes in the shoe. [0010] In a variant of the invention, the application area of the sock presents a central climate channel, from which additional climate channels branch off toward the external area of the sock. As a result, a uniform climate in the stepping area is achieved. In addition, a pressure balance between the channels is achieved, which leads to a uniform dehumidification when a load is applied. In addition, the arrangement causes a pleasant sensation when stepping. [0011] In another embodiment of the invention, the climate channel is curved or wavy. As a result, the effective channel length is increased, which results in an increase of the transport capacity, and also increases the cooling surface area in the stepping area. [0012] In another embodiment of the invention, the channels in the stepping area are tapered. As a result of the partial tapering of the channel paths, the air moves more rapidly, which in turn accelerates the removal of the humidity from the stepping area and produces an increase in the cooling performance in this area. [0013] It is preferred to provide an air channel on the inner and/or outer side of the leg of the sock, as desired, where the air channel in the stepping area is connected with the climate channel. As a result, an additional path is provided to remove sweat from the area of the sole of the foot. In the case of air channels on the inner and external area of the leg, the interconnection of the air channels results in additional air circulation in the shoe. [0014] In another embodiment of the invention, the sock presents pads. The pads can be located in different places of the sock. Their purpose is, on the one hand, to prevent skin abrasion, and, on the other hand, the risk of high pressure areas developing on the foot. [0015] The sock is advantageously equipped with an X-Cross bandage. The X-Cross bandage supports the bone in the transition area between the leg and the foot. [0016] The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawing. BRIEF DESCRIPTION OF THE DRAWING [0017] There is shown in the attached drawing presently preferred embodiments of the present invention, wherein like numerals in the various views refer to like elements and wherein: [0018] FIG. 1 is a representation of a sock with a rounded stepping area, as well as a lateral air channel, X-Cross bandage and pads in a side view; [0019] FIG. 2 is a representation of the stepping area of the sock with climate channel (arched channel design); [0020] FIG. 3 is a representation of the stepping area of the sock with climate channel (wavy channel design); Continue reading about Sock... Full patent description for Sock Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Sock 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. 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