Date display cap for medicine bottle

Abstract

The present invention relates to a date display cap for a medicine bottle, which includes: an outer cap ( 10, 110 ) configured to be rotated forwardly or reversely by a user and having a display window ( 11, 111 ); an inner cap ( 20, 120 ) having a screw unit ( 20 a , 120 a ) screw-coupled to a mouth (B 1 ) of a medicine bottle (B) on an inner peripheral surface thereof and rotatably installed at an inside of the outer cap ( 10, 110 ); and a date display unit ( 30, 130 ) installed between the outer cap ( 10, 110 ) and the inner cap ( 20, 120 ), for displaying a changed date through the display window ( 11, 111 ) when the outer cap ( 10, 110 ) is rotated forwardly and reversely with respect to the inner cap ( 20, 120 ).

1 . A date display cap for a medicine bottle, comprising:
 an outer cap ( 10 ,  110 ) configured to be rotated forwardly or reversely by a user and having a display window ( 11 ,  111 );   an inner cap ( 20 ,  120 ) having a screw unit ( 20   a ,  120   a ) screw-coupled to a mouth (B 1 ) of a medicine bottle (B) on an inner peripheral surface thereof and rotatably installed at an inside of the outer cap ( 10 ,  110 ); and   a date display unit ( 30 ,  130 ) installed between the outer cap ( 10 ,  110 ) and the inner cap ( 20 ,  120 ), for displaying a changed date through the display window ( 11 ,  111 ) when the outer cap ( 10 ,  110 ) is rotated forwardly and reversely with respect to the inner cap ( 20 ,  120 ).   
     
     
         2 . The date display cap of  claim 1 , wherein a display window ( 11 ) is formed at an upper portion of the outer cap ( 10 ), and the date display unit ( 30 ) has a rotation display end ( 31 ) for displaying a plurality of dates exposed through the display window ( 11 ) at an upper portion thereof. 
     
     
         3 . The date display cap of  claim 2 , wherein the outer cap ( 10 ) comprises a boss ( 12 ) formed at a side of an inner peripheral surface thereof, and a resilient boss ( 13 ) formed at an upper portion of an inside thereof,
 the inner cap comprises a boss recess ( 22 ) into which the boss ( 12 ) is inserted to form a space in which the boss ( 12 ) moves on an outer peripheral surface thereof, and   
       the date display unit ( 30 ) comprises a plurality of partitioning ends  32  for partitioning the rotation display end ( 31 ) and a plurality of resilient boss catching ends ( 33 ,  33 ′) into which the resilient boss  13  is inserted and circumferentially formed between the partitioning ends ( 32 ). 
     
     
         4 . The date display cap of  claim 3 , wherein the boss ( 12 ) further comprises an inclined insertion surface ( 12   a ) for allowing the inner cap ( 20 ) to be inserted into the boss recess ( 22 ) while the inner cap ( 20 ) is pushed outwards when the inner cap ( 20 ) is coupled to the outer cap ( 10 ). 
     
     
         5 . The date display cap of  claim 3 , wherein the resilient boss ( 13 ) comprises:
 a fixed end ( 13   a ) fixed to an upper portion of an inside of the outer cap ( 10 ), a resilient end ( 13   b ) extending from the fixed end ( 13   a ) to one side, and a pressing insertion end ( 13   c ) connected to the resilient end ( 13   b ) to be selectively caught by a specific resilient boss catching end ( 33 ,  33 ′).   
     
     
         6 . The date display cap of  claim 2 , further comprising a separation preventing boss ( 15 ) formed at a lower end of the outer cap ( 10 ) to support a lower end of the inner cap ( 20 ). 
     
     
         7 . The date display cap of  claim 6 , further comprising an inclined surface ( 15   a ) formed in the separation preventing boss ( 15 ) and formed in a direction in which the inner cap ( 20 ) is inserted into the outer cap ( 10 ). 
     
     
         8 . The date display cap of  claim 1 , wherein the display window ( 111 ) is formed at a side of the outer cap ( 110 ), and the date display unit ( 130 ) has a rotation display end ( 131 ) on which a plurality of dates exposed through the display window ( 111 ) are exposed on an outer peripheral surface of a side thereof. 
     
     
         9 . The date display cap of  claim 8 , further comprising:
 a first catching unit ( 140 ) formed on an outer peripheral surface of the inner cap ( 120 );   a second catching unit ( 150 ) formed on an inner peripheral surface of the outer cap ( 110 ), for providing a space by which the first catching unit ( 140 ) is caught to be limitedly moved;   a plurality of first latch ends ( 160 ) formed at an inside of the outer cap ( 110 ) and having an inclined surface in one direction;   a plurality of second latch ends ( 170 ) formed on an outer peripheral surface of the date display unit ( 130 ) and having an inclined surface in the same direction of the first latch end ( 160 );   a plurality of third latch ends ( 180 ) formed on an inner peripheral surface of the date display unit ( 130 ) and having an inclined surface in an opposite direction of the second latch end ( 170 ); and   a plurality of fourth latch ends ( 190 ) formed on an outer peripheral surface of the inner cap ( 120 ) and having an inclined surface in the same direction of the third latch end ( 180 ).   
     
     
         10 . The date display cap of  claim 9 , wherein a tubular insertion pipe ( 112 ) is formed at an upper end of an inside of the outer cap ( 110 ),
 an insertion boss ( 132 ) rotatably inserted into the insertion pipe ( 112 ) is formed in the date display unit ( 130 ),   the first latch end ( 160 ) is formed on an inner peripheral surface of the insertion pipe ( 112 ), and   the second latch end ( 170 ) is formed on an outer peripheral surface of the insertion boss ( 132 ).   
     
     
         11 . The date display cap of  claim 9 , wherein the first latch end ( 160 ) has a wing form slanted in one direction on an inner peripheral surface of the outer cap ( 110 ), and
 the third latch end ( 180 ) has a wind form slanted in an opposite direction on an inner peripheral surface of the date display unit ( 130 ).   
     
     
         12 . The date display cap of  claim 9 , wherein the inner cap ( 120 ) has a first inner cap part ( 121 ) and a second inner cap part ( 122 ),
 the first catching unit ( 140 ) is formed on an outer peripheral surface of the first inner cap part ( 121 ), and   the fourth latch end ( 190 ) is formed on an outer peripheral surface of the second inner cap part ( 122 ).   
     
     
         13 . The date display cap of  claim 12 , wherein the second inner cap part ( 122 ) is stepped such that a diameter of the second inner cap part ( 122 ) is smaller than a diameter of the first inner cap part ( 121 ). 
     
     
         14 . The date display cap of  claim 12 , wherein the first catching unit ( 140 ) is realized by a boss protruding from an outer peripheral surface of the first inner cap part ( 121 ), and
 the second catching unit ( 150 ) is realized by a circumferential recess circumferentially formed on an inner peripheral surface of a mouth of the outer cap ( 110 ), and provides a space in which the first catching unit ( 140 ) limitedly moves between a front end ( 150   a ) and a rear end ( 150   b ) of the second catching unit ( 150 ) that has a circumferential recess form when the outer cap ( 110 ) is rotated.   
     
     
         15 . The date display cap of  claim 9 , further comprising a desiccant cap ( 210 ) fixed to the inner cap ( 120 ).