Training device

Abstract

The invention relates to a training device for stimulating and training the locomotor system of a person. Said training device comprises a pivotable seesaw ( 16 ) that supports the person and that pivots in relation to a seesaw stand ( 19, 20, 21, 22 ), a drive device comprising at least one motor ( 2 ) and a gearing comprising gearing elements ( 5, 6, 7, 11, 12, 13, 14, 14 ′). Said gearing elements ( 5, 6, 7, 11, 12, 13, 14, 14 ′) form at least one power-transmission chain between the seesaw ( 16 ) and the motor ( 2 ) and at least one gearing element ( 14, 14′, 29 ) is elastically connected to the seesaw ( 16 ) or to a lifting element ( 28 ) that is securely fixed to the seesaw ( 16 ). The invention also relates to a training device in which the seesaw ( 16 ) is elastically held in relation to the seesaw stand ( 19, 20, 21, 22 ).

1 . A training apparatus for the stimulation and training of the locomotor system of a person, comprising a seesaw ( 16 ) supporting the person and pivotable with respect to a seesaw stand ( 19 , 20 , 21 , 22 ), and also a drive assembly with at least one motor ( 2 ) and a transmission unit having transmission elements ( 5 , 6 , 7 , 11 , 12 , 13 , 14 , 14 ′), wherein the transmission elements ( 5 , 6 , 7 , 11 , 12 , 13 , 14 , 14 ′) form at least one power-transmission chain between the seesaw ( 16 ) and the motor ( 2 ), wherein at least one transmission element ( 14 , 14 ′; 29 ) is elastically connected to the seesaw ( 16 ) or to a lever element ( 28 ) securely connected to the seesaw ( 16 ). 
   
   
       2 . A training apparatus according to  claim 1 , wherein the elastic connection is such that the transmission element ( 14 ) has at least two different degrees of freedom of elastic movement relative to the seesaw or to the lever element. 
   
   
       3 . A training apparatus according to  claim 2 , wherein the elastic connection is such that the transmission element ( 14 ) has at least one degree of freedom of elastic pivotal movement relative to the seesaw ( 16 ) or to the lever element. 
   
   
       4 . A training apparatus according to  claim 3 , wherein the elastic connection is such that the transmission element ( 14 ) has at least one degree of freedom of elastic movement in the power-transmission direction, in particular for the cushioning of the pivoting movement imparted to the seesaw ( 16 ) in operation via the power-transmission chain, in particular at the movement direction reversal points. 
   
   
       5 . A training apparatus according to any one of  claim 4 , wherein for the elastic connection there is provided at least one leaf-spring element ( 50 ; 52 ; 50 , 50   a ) which makes possible relative pivotability between the seesaw ( 16 ) and the transmission element ( 14 , 14 ′; 29 ) and/or a cushioning of the pivoting movement imparted to the seesaw ( 16 ) in operation, in particular at the movement direction reversal points thereof. 
   
   
       6 . A training apparatus according to  claim 5 , wherein at least one leaf-spring element ( 50 ; 52 ; 50 , 50   a ) is itself a transmission element of the power-transmission chain, via which driving forces can be transmitted to the seesaw ( 16 ). 
   
   
       7 . The training apparatus according to  claim 6 , wherein for the elastic connections at least two leaf-spring elements ( 50 , 50   a ) are provided, which are connected in series and which can be deflected elastically in different directions which are preferably orthogonal to one another. 
   
   
       8 . The training apparatus according to  claim 1  wherein the seesaw ( 16 ) is mounted elastically relative to the seesaw stand ( 19 , 20 , 21 , 22 , 56 ; 56   a ). 
   
   
       9 . The training apparatus according to  claim 8 , wherein the elastic mounting of the seesaw is such that the seesaw ( 16 ) has at least two different degrees of freedom of elastic movement relative to the seesaw stand ( 19 , 20 , 21 , 22 , 56 ; 56   a ). 
   
   
       10 . The training apparatus according to  claim 8 , wherein the seesaw ( 16 ) has at least one degree of freedom of elastic pivoting movement relative to the seesaw stand ( 19 , 20 , 21 , 22 , 56 ; 56   a ). 
   
   
       11 . The training apparatus according to  claim 8 , wherein the elastic connection is of a kind that the seesaw ( 16 ) has at least one degree of freedom of elastic movement in a longitudinal direction of the seesaw relative to the seesaw stands ( 19 , 20 , 21 , 22 , 56 ; 56   a ), in particular so as to make possible a translational seesaw movement superimposed on the pivoting movement of the seesaw. 
   
   
       12 . The training apparatus according to  claim 11 , wherein a translational movement of the seesaw ( 16 ) occurs relative to the seesaw stand such that one point on a seesaw end, which is moving up and down during the pivoting movement according to a maximum movement travel, moves at least approximately on a path (B) corresponding to a horizontal figure of eight. 
   
   
       13 . The training apparatus according to  claim 8 , wherein the elastic connection is such that the seesaw ( 16 ) has at least one degree of freedom of elastic movement in a vertical direction of the training apparatus relative to the seesaw stand ( 56   a ), in particular for cushioning the pivoting movement imparted to the seesaw in operation, in particular at its movement direction reversal points. 
   
   
       14 . The training apparatus according to  claim 8 , wherein for the elastic mountings at least one leaf spring element ( 54 ; 54 , 54   a ) is provided which ensures a possibility of relative pivoting movement between the seesaw ( 16 ) and the seesaw stand ( 19 , 20 , 21 , 22 , 56 ; 56   a ) and/or a possibility of translational movement of the seesaw ( 16 ) in its longitudinal direction relative to the seesaw stand ( 19 , 20 , 21 , 22 , 56 ; 56   a ) and/or a possibility of movement of the seesaw ( 16 ) relative to the seesaw stand ( 56   a ) in a/the vertical direction of the training apparatus. 
   
   
       15 . The training apparatus according to  claim 14 , wherein the at least one leaf-spring element ( 54 ; 54 , 54   a ) is retained on the seesaw side and/or on the stand side and the possibility of pivoting movement and/or of translational movement and/or of movement in the vertical direction of the seesaw ( 16 ) relative to the seesaw stand ( 19 , 20 , 21 , 22 , 56 ; 56   a ) is provided by a deflection of the leaf-spring element ( 54 ) or at least one of a plurality of leaf-spring elements ( 54 , 54   a ), in particular a bending or torsional deflection of the leaf-spring element ( 54 ) or of the respective leaf-spring element in respect of the possibility of pivoting movement and, in particular, bending deflection of the leaf-spring element ( 54 ) or of the respective leaf-spring element ( 54 ; 54   a ) in respect of the possibility of translational movement or the possibility of movement in a vertical direction. 
   
   
       16 . The training apparatus according to  claim 8 , wherein for the elastic mounting, at least two series-connected leaf-spring elements ( 54 , 54 ) are provided which can be elastically deflected in different directions which are preferably orthogonal to one another. 
   
   
       17 . The training apparatus according to  claim 8 , wherein for the mounting of the seesaw ( 16 ), the seesaw stand ( 19 , 20 ) includes a support ( 56 ) which extends transversely to and under the seesaw ( 16 ), and which is retained rigidly on a stand assembly ( 19 , 20 ) of the seesaw stand. 
   
   
       18 . The training apparatus according to  claim 8 , wherein the mounting of the seesaw ( 16 ) comprises a support ( 56 ) which extends transversely to and under the seesaw, and which is retained elastically on a stand assembly ( 56   a ) of the seesaw stand. 
   
   
       19 . The training apparatus according to  claim 18 , wherein the support ( 56 ) is retained on the stand assembly ( 56   a ) by means of at least one leaf-spring element ( 54   a ) which can preferably be deflected in a vertical direction. 
   
   
       20 . The training apparatus according to  claim 19 , wherein a single leaf-spring element ( 54 ) or a plurality of leaf-spring elements separate from another is/are clamped along the support ( 56 ) on the underside of the seesaw and on the support ( 56 ). 
   
   
       21 . The training apparatus according to  claim 5 , wherein that the leaf-spring element ( 50 ; 50   a ; 52 ; 54 ; 54   a ) is made from metal, in particular from steel. 
   
   
       22 . The training apparatus according to  claim 21 , wherein the leaf-spring element ( 50 ; 50   a ; 52 ;  54 ; 54   a ) between the transmission element ( 14 , 14 ′) and the seesaw ( 16 ) or lever element ( 29 ) or between the seesaw ( 16 ) and seesaw stand or support ( 56 ) is of length of approximately 1.0 to 3.0 cm, preferably approximately 1.5 to 2.0 cm. 
   
   
       23 . The training apparatus according to  claim 22 , wherein the leaf-spring element ( 50 ; 50   a ; 52 ;  54 ; 54   a ) is designed with a material thickness of less than 5.0 mm, preferably of approximately 1.5 mm. 
   
   
       24 . A training apparatus according to any one of the preceding claims, characterised in that the elastically connected transmission element ( 14 , 14 ′; 29 ) is a push rod/tie rod which, with respect to the power-transmission chain, is connected in an articulated manner at its end nearest the motor to a transmission element in the form of a cam ( 6 , 13 ; 26 ). 
   
   
       25 . A training apparatus according to  claim 24 , wherein the cam ( 6 , 13 ) is formed separate from the motor ( 2 ) and connected thereto via another transmission element ( 5 ) of the power-transmission chain, in particular via a belt or the like. 
   
   
       26 . A training apparatus according to  claim 25 , wherein the cam ( 26 ) is arranged directly on an output shaft of the motor ( 2 ). 
   
   
       27 . A training apparatus according to  claim 26 , wherein the drive assembly does in fact have a power-transmission chain or a plurality of such power-transmission chains extending parallel to one another and acting in synchronism on the seesaw ( 16 ). 
   
   
       28 . A training apparatus according to  claim 26 , wherein the drive assembly has at least two power-transmission chains acting in push-pull mode on the seesaw. 
   
   
       29 . The training apparatus according to  claim 28 , wherein the power-transmission chain or the respective power-transmission chain comprises a lifting device acting on the seesaw and engaging on the underside thereof.