Abstract:
Disclosed is a sporting apparatus for handstand which makes it possible to protect a user&#39;s ankle, knee and waist during an exercise by distributing the loads which focus on a user&#39;s ankle while a user&#39;s lying-down posture with his back on a backrest board is rotated to a handstand posture, so a weak and old person or a user whose bones can easily fracture can do exercise in safe. The sporting apparatus comprises a base mounted on the ground and having a handle being installed on the upper side of it; a backrest board which is rotatably hinged to the base and supports a user&#39;s back; an angle-shaped lower body mounting part which is integrally engaged to a lower side of the backrest board and on which is disposed a sitting board allowing a user to sit on it, an ankle fixing rod is formed at a lower side, and bumper part connecting the backrest board and the base while providing a bumper force.

Description:
BACKGROUND OF THE INVENTION 
       [0001]    The present invention relates to a sporting apparatus for handstand, and in particular to a sporting apparatus for handstand which makes it possible to protect a user&#39;s ankle, knee and waist during an exercise by distributing the loads which focus on a user&#39;s ankle while a user&#39;s lying-down posture with his back on a backrest board is rotated to a handstand posture, so a weak or old person or a user whose bones can easily fracture can do exercise in safe. 
         [0002]    The sporting apparatus for handstand is widely used because bone joints can be loosened as a body is turned upside down, and a waist pain can be cured, and a blood circulation can be made smooth, so it is generally used as a therapy apparatus or a health assistant apparatus. 
         [0003]    The above mentioned conventional sporting apparatus for handstand comprises a support part installed on the ground, a backrest board hinged to the support part, a rotation part configured to adjust the rotation angle of the backrest board and an ankle fixing apparatus installed at the backrest board and configured to fix a user&#39;s ankle. 
         [0004]    The above described sporting apparatus for handstand is classified into a motored type featuring in that a backrest board rotates by means of the operation of a motor and a manual type featuring in that the backrest board is rotated by the weight of a user. 
         [0005]    The conventional sporting apparatus for handstand is configured to hold and support only the user&#39;s ankles, so the loads focus only on the ankles in a handstand posture of a user. When a user handstands for a long time, the user grows sufferings causing a lot of pain. A person who suffers weak muscles and bones or an old person might have bad side effects. 
       SUMMARY OF THE INVENTION 
       [0006]    Accordingly, the present invention is made to improve the problems encountered in the conventional art. It is an object of the present invention to provide a sporting apparatus for handstand which makes it possible to distribute the fixed loads, which used to focus only on the ankles, to the knees in such a way that the ankles are fixed and the knees are bent and hung while keeping a fixed posture, so a weak old person or a patient can easily do exercise without physical loads. 
         [0007]    To achieve the above objects, there is provided a sporting apparatus comprising a base mounted on the ground and having a handle being installed on the upper side of it; a backrest board which is rotatably hinged to the base and supports a user&#39;s back; an angle-shaped lower body mounting part which is integrally engaged to a lower side of the backrest board and on which is disposed a sitting board allowing a user to sit on it, an ankle fixing rod is formed at a lower side, and bumper part connecting the backrest board and the base while providing a bumper force. 
         [0008]    The base features in that the upper sides of the front legs and the rear legs are hinged by way of the pivot pin. The base comprises a connection part connecting the front legs and the rear legs. 
         [0009]    The backrest board comprises an upper board and a lower board, and a frame connecting the upper board and the lower board. The frame is formed of a bolding part by which the upper board and the lower board can be foldable. 
         [0010]    The folding part comprises a first engaging part one side of which is open, and the cross section of which is formed in a U-shape, and a second engaging part which is rotatably engaged to the first engaging part by way of a pivot pin. 
         [0011]    The lower body mounting part comprises a support part which is integrally engaged to a lower side of the backrest part and has an ankle fixing rod, and a sitting board formed on an upper side of the support part. 
         [0012]    A position setting part is further provided for limiting the rotation angle of a backrest board while ensuring that the min position and the max position of the backrest board can be set. 
         [0013]    The position setting part comprises an engaging part which is attached to the rear legs and has a plurality of engaging grooves, and a stopper which is hinged to the rear legs and is caught on the engaging groove. 
     
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         [0014]      FIG. 1  is a perspective view illustrating a sporting apparatus for handstand according to the present invention. 
           [0015]      FIGS. 2 and 3  are side views illustrating a sporting apparatus for handstand according to the present invention. 
           [0016]      FIGS. 4 and 5  are side views illustrating an operation of another embodiment of a sporting apparatus for handstand according to the present invention. 
           [0017]      FIG. 6  is a perspective view illustrating a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention. 
           [0018]      FIG. 7  is a perspective view illustrating an operation lever of a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0019]    The preferred embodiments of the present invention will be described with reference to the accompanying drawings. 
         [0020]      FIG. 1  is a perspective view illustrating a sporting apparatus for handstand according to the present invention. 
         [0021]      FIGS. 2 and 3  are side views illustrating a sporting apparatus for handstand according to the present invention. 
         [0022]    As shown in  FIGS. 1 to 3 , the sporting apparatus A for handstand according to the present invention comprises: 
         [0023]    a base  2  which is mounted on the ground and has a handle  28  at its upper side; 
         [0024]    a backrest board  3  which is rotatably hinged to the base  2 ; 
         [0025]    a support part  44  which is integrally engaged to a lower side of the backrest board  3  and has an ankle fixing rod  445  at its lower side and a popliteal fossa engaging rod  446  at its upper side; 
         [0026]    a lower body mounting part  4  formed of a sitting board  42  formed on an upper side of the support part  44 ; and 
         [0027]    a bumper part  5  which connects the backrest board  3  and the base  2  for thereby providing a bumper force. 
         [0028]    The base  2  is formed of a connection part  26  which is hinged by way of a pivot pin “P” after the upper sides of the front legs  22  and the upper sides of the rear legs  24  are crossed and connects the front legs  22  and the rear legs  24 . When viewing from its sides, it looks like the letter “A”. 
         [0029]    The handle  28  is formed of an arc shaped rod and is configured for a user to hold and keep balance during a rotation movement. 
         [0030]    Both ends of the connection part  26  is hinged to the front legs  22  and the rear legs  24  by way of the pivot pin, so it can be disassembled and assembled. The connection part  26  is formed of a hinge part  263  at its intermediate potion, so it can be folded upward, which makes foldable the front legs  22  and the rear legs  24 . 
         [0031]    The backrest board  3  is made from a plate-shaped board having a certain surface area so that a user can lie down on it. 
         [0032]    The backrest board  3  is formed of an upper board  32  and a lower board  34  which are foldable, and a frame “F” which is configured to connect the upper board  32  and the lower board  34  and has a folding part  36 . 
         [0033]    In other words, the upper board  32  and the lower board  34  can be folded with the aid of the folding part  36  of the frame F, so the whole volume can be reduced. 
         [0034]    As shown in  FIG. 1 , the folding part  36  comprises a first engaging part  361  which has a U-shaped cross section as part of the upper surface of the frame “F” is cut away and open and is installed on the upper board  32 , and a second engaging part  362  which is rotatably engaged to the first engaging part  361  by way of the pivot pin  363  and is installed on the lower board  34 . 
         [0035]    The upper board  32  can be folded and overlapped on the lower board  34 . 
         [0036]    The lower mounting part  4  comprises a support part  44  which is integrally engaged to the lower side of the backrest board  3  and has an ankle fixing rod  445  at a lower side and a popliteal fossa  446  at its upper side, and a sitting board  42  formed at the upper side of the support part  44 . 
         [0037]    The support part  44  is formed in an angled shape when viewing it from its side, and two pipes  441  and  442  are inserted and engaged at the vertical part of the lower side for the sake of a height adjustment, so the engaged state can be maintained by inserting a pin  444  into a plurality of pin holes  443  formed at the side surface. 
         [0038]    The two-pipe insertion and engagement structure is also formed at one side end corresponding to the engaging portion  445  of the support part  44  and the backrest part  3 , so the support part  44  can be inserted or disengaged, thus adjusting the distance. 
         [0039]    The popliteal fossa of the user&#39;s knee is fixedly hung on the popliteal fossa engaging rod  446  after the ankles are hung on the ankle fixing rod  445  while the user is sitting on the sitting board  42 , so the user can rotate while leaning on the backrest board  3  in a sitting posture. 
         [0040]    The ankle fixing rod  445  is formed of a plurality of rollers so as to support the heels and tops of the feet. In particular, the rollers supporting the tops of the feet can be configured to be tightened or loosened with the aid of the motored means. 
         [0041]    The popliteal fossa engaging rod  446  is provided so as to support the popliteal fossa which corresponds to a rear side of the knee when the knee is folded and is formed in a straight shape for the rollers to be symmetrical. 
         [0042]    A fixing band  422  is formed at both side ends of the sitting board  42  for binding and fixing the thighs. The fixing band  422  is made from a flexible band and is fixed at both ends with the velcro tapes which are connected with each other. 
         [0043]    The bumper part  5  is provided to prevent a prompt ascent and descent of the backrest board  3 , one end of which being hinged to the rear legs  24  and the other end of which working as a shock absorber hinged to the backrest board  3 , specifically, at a side portion of the lower board  34 . Preferably, the shock absorber is filled with gas. 
         [0044]    There is further provided a position setting part  6  limiting the rotation angle of the backrest board  3  so as to limit the min position and the max position of the backrest board  3 . 
         [0045]    The position setting part  6  comprises an engaging part  62  attached on the rear legs  24  and having a plurality of engaging grooves  622 , and a stopper  65  which is hinged to the rear legs  24  and is hooked by the engaging grooves  522 . 
         [0046]    The engaging part  62  is made from a rectangular board material having a plurality of tooth-shaped engaging grooves  622  on its upper surface. 
         [0047]    The stopper  65  is a means for limiting the downward rotation angle of the backrest board  3  and can be embodied in various types. 
         [0048]    The stopper  65  of the present invention is preferably an upside down channel-shaped rod both the ends of which are rotatably engaged to a pair of the rear legs  24 . 
         [0049]    The backrest board  3  comes into contact with the stopper  65  being caught on the engaging groove  622 , so the above-mentioned state can be fixed. 
         [0050]    The operations of the present invention will be described as follows. 
         [0051]    As shown in  FIG. 2 , with the upper board  32  and the lower board  34  belonging to the backrest board  3  being unfolded, the pivot pin  63  is fixedly inserted into the folding part  36 . 
         [0052]    Afterward, the stopper  63  is rotated downward for thereby setting an angle that the user wants. 
         [0053]    The stopper  65  is hooked in a certain engaging groove  622  of the lower side of the engaging part  62  for the purpose of setting in consideration of the angle to be limited when the backrest board  3  is downwardly rotated. 
         [0054]    Sitting on the sitting board  42  of the lower body mounting part  4 , the user fixes the thighs, and the ankles are hung on the ankle fixing rod  445 . 
         [0055]    Holding the handle  28 , the user gives a force to the backrest board  3  and rotates slowly backward. 
         [0056]    As the user&#39;s body grows upside down, when the backrest board  3  comes into contact with the stopper  65 , it no longer rotates and stops. 
         [0057]    Since the user keeps upside down in a posture that the ankles and knees are folded, the loads used to focus on only the ankles can be distributed, thus minimizing the loads to the body along with a good exercise effect. 
         [0058]    After the exercise is finished, the upper board  32  and the lower board  34  of the backrest board  3  are folded, and the intermediate hinge part  263  of the connection part  26  is folded. 
         [0059]    In addition, the bumper part  5  is separated, and the front legs  22  and the rear legs  24  are folded, which results in a minimized volume for the sake of easier storage. 
         [0060]      FIGS. 4 and 5  are side views illustrating an operation of another embodiment of a sporting apparatus for handstand according to the present invention.  FIG. 6  is a perspective view illustrating a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention.  FIG. 7  is a perspective view illustrating an operation lever of a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention. 
         [0061]    As shown in  FIGS. 4 to 7 , another embodiment of the present invention comprises a neck towing part  7  at an upper side of the backrest board  3  for resting the neck. 
         [0062]    The neck towing part  7  comprises a slider  72  having a certain length with an end of it being engaged with the backrest board  3 , a neck rest part  73  engaged to the other end of the slider  72 , a jaw strip  732  engaged at the neck rest part  73  for fixing a user&#39;s jaw and a tension part  74  which is formed of a body  742  one end of which is engaged to the backrest board  3  and a piston rod  744  engaged to the body  742  and the neck rest part  73 , respectively. 
         [0063]    The slider  72  is configured to connect the backrest part  3  and the neck rest part  73 , and preferably it is equipped with an adjusting part adjusting the length for the purpose of a user&#39;s convenience when using it. 
         [0064]    As an example of the adjusting part, a plurality of adjusting holes are formed in the slider  72 , and at the neck support part is formed a slider groove into which the slider  72  is inserted, and at the slide groove is formed a ball stopper elastically supported by a spring and inserted into the adjusting hole for thereby adjusting the length. 
         [0065]    The tension part  74  comprises a cylindrical body  742  and a piston rod  744  engaged to the body  742  for the purpose of a reciprocation inside it. A driving force helping disengage the neck rest part  73  can be generated by making the piston rod  744  receive a disengaging force with the aid of a pressurizing part in the interior of the body  742 . 
         [0066]    The pressurizing means is preferably formed of an air spring. 
         [0067]    In addition, there is provided a length adjusting apparatus  9  for adjusting the length of the neck rest part  73 . 
         [0068]    The length adjusting apparatus  9  comprises a variable box  92  formed at the base  2  and having a multiply-staged adjusting groove  93 , an operation lever  94  which is rotatably engaged to the variable box  92  and is inserted into the adjusting groove  93 , a horizontal bar  95  which is integrally connected to the operation lever  94 , and a link rod  96  one end of which is connected to the horizontal bar  95 , and the other end of which is connected with the neck rest part  73 , the link rod  96  being configured to have a certain length. 
         [0069]    The variable box  92  is formed of a plurality of adjusting grooves  93  in a tooth shape similar with the shape of a gear transmission, and the operation lever  94  is rotatably engaged in the same. 
         [0070]    The plurality of the adjusting grooves  93  are formed of the first to fifth stages  931 ˜ 935 , each stage being configured to increase or decrease the length of the link rod  96  by 10˜15 mm. 
         [0071]    The number of the adjusting grooves  93  and the length adjusting value of the link rod  96  can be freely adjusted depending on the size of the user. 
         [0072]    The operation lever  94  is configured to adjust the length of the link rod  96  while changing step by step the adjusting grooves  93 , and as the tension part increases or decreases depending on the change of the length of the link rod  96 , the length of the neck rest part  73  can be adjusted. 
         [0073]    The operations of another embodiment of the present invention will be described. 
         [0074]    After the user sits on the sitting board  42  and the backrest board  3  and the user&#39;s head is leaned on the neck rest part  7 , the jaw is fixed by binding the jaw strip  732 . 
         [0075]    The neck rest part  73  is raised thus towing the neck step by step by gradually adjusting depending on the user&#39;s body size among the first to fifth stages  931  to  935  by operating the operation lever  94 . 
         [0076]    As shown in  FIGS. 5 and 7 , when the operation lever  94  is inserted into the adjusting groove  931  of the first stage of the most lower portion, the link rod  96  is extended in max, thus raising the neck rest part  73 , and the piston rod  744  of the tension part  74  receives a pushing force, so that the neck rest part  73  is disengaged in max. 
         [0077]    The neck is gradually extended step by step by means of the disengaging operation of the neck rest part  73 , so a physical therapy effect can be obtained. 
         [0078]    On the contrary, as shown in  FIGS. 4 and 7 , when the operation lever  94  is inserted into the adjusting groove  935  which is the highest level among the five stages, the link rod  96  is pulled, and the neck rest part  73  is lowered, and the piston rod  744  of the tension part  74 , so the neck rest part  73  moves in. 
         [0079]    Though the present invention has been described along with the above explained embodiments, an ordinary person skilled in the art can modify and change without parting from the scope and concept of the present invention, and it is obvious that such modification and change belong to the present invention. 
         [0080]    The present invention makes it possible to distribute the fixed loads, which were focused on only the ankles, to the knees of a user, so a weak and old person can easily do exercise without feeling a physical load.