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    • 84. 发明专利
    • IMPACT-ABSORPTION SYSTEM FOR FOOTWEAR
    • BG63422B1
    • 2002-01-31
    • BG10407100
    • 2000-01-12
    • VANS INC
    • SERNA RALPH
    • A43B13/40A43B13/12A43B13/14A43B13/28
    • The system is used in the manufacture of sports footwear, and in particular of such designed for skateboard driving. It has thinner sole in which an impact-absorbing cassette is built in of improved damper properties by which the heel contusion is reduced to a minimum and the qualities of the soles required for this sports type are ensured. The system consists of a middle part (10) of the sole (2) with a pocket (18) at the heel housing the cassette (20) for impact-absorption, and an elastic folding external part (30) of the sole (2). The middle part (10) of sole (2) has a thin front part (12). Cassette (20) consists of a base (27) 47, 87, 97), first set of damper elements (21 and 22, 41 and 42 and 42, 81 and 82, 91 and 92), connected to the front part of base, a second set of damper elements (23 and 24, 43 and 44, 83 and 84, 93 and 94), connected to the rear part of the base, and damper element of reduced height (25, 45, 85, 95) which is shorter than the elements of the two sets. Each damper element has a wide base and narrower end top part. The wide base of the elements with reduced height is smaller than that of any of the elements of the two sets and is connected to the central part of the base of cassette (20). The elastic external part (30) of the sole (2) has some rounding in the zone of the toes (5) and at the heel (3), as well as a rounded external seam. 25 claims, 4 figures