Patent Document:

the preferred embodiments of the present invention will be illustrated with reference to fig1 to 10 in which like elements are represented by like numerals . referring to fig1 , 2 a and 3 , a shoe embodying the present invention is shown to include a shoe body 10 which includes an upper 11 and an out sole 21 . the upper 11 is formed with three through - holes 12 each of which extends from an inside to an outside of the shoe body 10 . two hollow bases 13 are fitted respectively in two of the through holes 12 . each hollow base 13 has a tubular wall 130 which is hollow from an inner end to an outer end thereof . the tubular wall 130 is formed with a flange 131 which abuts an inner surface of the upper 11 and which is fixed to the upper 11 via a sewing process , an end rim 133 , and an integral screen member 132 extending across the hollow base 13 . instead of sewing , adhesive bonding may be used to fix the flange 131 to the upper 11 . numeral 30 represents a lining disposed inside the shoe body 10 . a non - hollow or solid stud 14 is fitted in the remaining through - hole 12 and includes a lateral rim 143 and an inner flange ( not shown ) similar to the flange 131 of the hollow base 13 . the two hollow bases 13 and the stud 14 are arranged at three locations which define substantially three vertices of an equilateral triangle . since the hollow bases 13 are hollow , they serve to provide passages 135 ( only one is shown in fig3 ) for air ventilation or water drainage . the screen members 132 of the hollow bases 13 function to prevent solid particles from entering the shoe body 10 . a lid 15 is provided to block or close the passages 135 of the hollow bases 13 . the lid 15 is elongated and includes two closure parts 151 which are circular and which are interconnected via a connection part 152 . each closure part 151 is formed with a looped or annular groove 153 which is defined by an outer flange 154 and an inner circular raised part 155 . the lid 15 can be press fitted simultaneously to both of the hollow bases 13 , or to one of the hollow bases 13 and the stud 14 . the annular groove 153 of each closure part 151 is to receive fittingly the lateral rim 143 of the stud 14 , or the end rim 133 of one of the hollow bases 13 . the length of the lid 15 is arranged such that the lid 15 can be attached in a bridging manner to any two of the hollow bases 13 and the stud 14 . in particular , the closure parts 151 of the lid 15 can be press - fitted respectively and removably to the end rims 133 of the two hollow bases 13 , as shown by phantom lines in fig1 . in this situation , the two hollow bases 13 are blocked and closed by the lid 15 . alternatively , the closure parts 151 of the lid 15 may be attached removably and respectively to the end rim 133 of one of the hollow bases 13 and the lateral rim 143 of the stud 14 , as shown in solid lines of fig1 . in this situation , the other hollow base 13 is in an open state and permits ventilation or water drainage . in order to drain water effectively , the lid 15 may also be removed from both of the hollow bases 13 and attached to the stud 14 with only one closure part 151 thereof . when it is desired to prevent water or solid particles from entering the shoe body 10 , both hollow bases 13 may be closed by attaching the lid 15 to the hollow bases 13 . referring to fig4 in combination with fig1 the upper 11 further includes one non - hollow or solid stud 14 and one hollow base 13 mounted on a tongue 111 . when the hollow base 13 is to be placed in an open state , the stud 14 serves to retain a lid 15 a which has a construction similar to one of the closure part 151 of the lid 15 . specifically , the lid 15 a is circular and has an annular groove 152 a defined by an annular flange 154 a and a raised part 155 a . the lid 15 a can be press - fitted removably to the stud 14 . when it is desired to close the hollow base 13 , the lid 15 a may be detached from the stud 14 and attached to the hollow base 13 . referring to fig5 and 6 in combination with fig1 the outsole 21 is provided with a stud 14 , a hollow base 13 , and a lid 15 a for attachment to the stud 14 or the hollow base 13 . the hollow base 13 has a flange 131 abutting an inner surface of the outsole 21 . the hollow base 13 may be assembled with the outsole 21 by bonding the hollow base 13 to the outsole 21 with an adhesive , or by placing the hollow base 13 in a mold during molding of the outsole 21 . fig7 a and 7b show respectively two alternative hollow bases 13 a and 13 b usable in the present invention . the hollow base 13 a differs from the hollow base 13 in that it does not include any screen member extending across the hollow base 13 a . the hollow base 13 b differs from the hollow base 13 in that it has an integral screen member 132 b which is defined by two intersecting ribs 1321 b . referring to fig8 and 9 , the hollow base 13 a may be closed by a lid which includes a lid body 15 c and a lid holder 15 d . the lid holder 15 d is hollow and can be press - fitted in the hollow base 13 a . the lid body 15 c is hinged to the lid holder 15 d . when the lid body 15 c is plugged in the lid holder 15 d , the lid holder 15 d is closed . when the lid body 15 c and the lid holder 15 d are removed from the hollow base 13 a , the hollow base 13 a is opened . referring to fig1 , a hollow base 13 is inserted into and fixed to an upper 11 and a lining 30 . a lid 15 e is press - fitted to the hollow base 13 from the inside of a shoe body ( not shown ) for closing the hollow base 13 . a pocket 17 is attached to the lining 30 to cover the lid 15 e or to prevent the wearer &# 39 ; s foot from contacting directly the lid 15 e . the hollow base 13 is opened when the lid 15 e is removed from the hollow base 13 . referring to fig1 and 12 , the upper 11 may be provided with a hollow base 13 c which is covered by a lid 15 f . the hollow base 13 c has a narrow open end part 133 c at an outer open end thereof and an annular shoulder 134 c formed inwardly of the narrow open end part 133 c . the lid 15 f includes a lid body 151 f having an integral knob 152 f projecting from one side of the lid body 151 f , a stem 153 f projecting from an opposite side of the lid body 151 f , and a screen 154 f held by a bottom end of the stem 153 f . the lid body 151 f can be plugged in the narrow open end part 133 c to block the hollow base 13 c . when the lid body 151 is pulled out via the knob 152 f from the narrow open end part 133 c , the screen 154 f abuts against the shoulder 134 c . in this situation , the hollow base 13 c is opened to permit passage of water or air through the screen 154 f . referring to fig1 , 14 and 15 , the upper 11 is provided with a hollow base 13 d and a stud 14 a . the hollow base 13 d has an annular recess 134 d extending in an outer face of an annular wall 135 d . the stud 14 a has a blind hole 141 a . a lid 15 g has a lid body 151 g plugged in the hollow base 13 d . the lid 15 g further includes a cap plate 152 g formed integrally with the lid body 151 g , an attachment ring 154 g received movably in the annular recess 134 d and connected to the cap plate 152 g via a strap 156 g . when the lid body 151 g is plugged in the hollow base 13 d , the hollow base 13 d is closed . when the lid body 151 g is removed from the hollow base 13 d and fitted in the blind hole 141 a of the stud 14 a , the hollow base 13 d is opened . referring to fig1 , like the outsole 21 shown in fig5 a heel section 211 a of a midsole 21 a may be provided with a lid 15 a , a stud 14 and a hollow base 13 . as described hereinbefore , the lids 15 , 15 a , 15 c , 15 e , 15 f , 15 g according to the present invention can block fluid passages provided by the hollow bases 13 , 13 a , 13 b , 13 c . in addition , these lids 15 , 15 a , 15 c , 15 e , 15 f , 15 g can also serve to hold advertising logos or teams &# 39 ; logos . the logos may be changed when desired since the lids are removable . these lids may be made of a transparent material or a luminescent material for decorative purposes . when the lids are provided at the bottom of an outsole , they may be fabricated from a high abrasion - resistant material . when the lids are made of rubber having a high coefficient of friction , the lids may be used as traction members for an outsole . while the present invention has been described in connection with what is considered the most practical and preferred embodiments , it is understood that this invention is not limited to the disclosed embodiments but is intended to cover various arrangements included within the spirit and scope of the broadest interpretation so as to encompass all such modifications and equivalent arrangements .

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