Exercise device

Abstract

An exercise device includes a sliding track, a sliding element, a rotating element and a locked element. The sliding element is movably connected to the sliding track. The sliding element includes a locked base and a pivoting portion. The locked base has a first positioning hole. The rotating element is connected to the sliding element. The rotating element includes an arc track and a pivoting axis. The arc track is corresponding to the first positioning hole. The pivoting axis is pivotally connected to the pivoting portion. The rotating element is rotatable at an angle relative to a moving direction of the sliding element. The locked element is movably connected to the arc track and the first positioning hole. The rotating element is rotatable along the arc track on the sliding element.

What is claimed is: 
     
         1 . An exercise device, comprising:
 a sliding track;   a sliding element movably connected to the sliding track, wherein the sliding element comprises a locked base and a pivoting portion, the locked base has a first positioning hole, and there is a second distance between the locked base and the pivoting portion;   a rotating element connected to the sliding element, wherein the rotating element comprises an arc track and a pivoting axis, there is a third distance between the arc track and the pivoting axis, the second distance is equal to the third distance, the arc track is corresponding to the first positioning hole, the pivoting axis is pivotally connected to the pivoting portion, and the rotating element is rotatable at an angle relative to a moving direction of the sliding element; and   a locked element movably connected to the are track and the first positioning hole, wherein the rotating element is rotatable along the arc track on the sliding element.   
     
     
         2 . The exercise device of  claim 1 , wherein the locked base has a thickness, the first positioning hole has a depth, and the thickness is equal to the depth. 
     
     
         3 . The exercise device of  claim 1 , wherein the rotating element is rotatable in clockwise or counterclockwise relative to the sliding element, and the angle is larger than or equal to 0 degrees and smaller than or equal to 40 degrees. 
     
     
         4 . The exercise device of  claim 1 , wherein the sliding track comprises two sliding bars, the two sliding bars are arranged parallel to each other and separated by a first distance, the pivoting portion is located between the two sliding bars, the pivoting portion has a hollow cylindrical shape, an outer diameter and an inner diameter, the outer diameter of the pivoting portion is smaller than the first distance, the pivoting axis has a cylindrical shape, and a diameter of the pivoting axis is smaller than the inner diameter of the pivoting portion. 
     
     
         5 . The exercise device of  claim 4 , wherein the sliding element further comprises:
 a top portion connected to the pivoting portion, wherein the first positioning hole is located on the top portion;   two inclined portions connected to two opposite sides of the top portion, respectively;   two lug portions having two lug holes, respectively, wherein the two lug holes are corresponding to each other, and the two lug portions are outwardly extended from the two inclined portions, respectively; and   a connecting bar connected to the two lug holes, wherein the top portion, one inclined portion, one lug portion, the connecting bar, the other lug portion and the other inclined portion are connected to form an opening, and the two sliding bars are arranged in the opening.   
     
     
         6 . The exercise device of  claim 5 , wherein the sliding element further comprises:
 at least two inclined bearings pivotally connected to the two inclined portions, respectively, wherein the two inclined bearings are rollably disposed on the two sliding bars, respectively, and the sliding element is movable along the sliding track.   
     
     
         7 . The exercise device of  claim 5 , wherein the sliding element further comprises:
 at least two bottom bearings coaxially and pivotally connected to the connecting bar, wherein the two bottom bearings are rollably connected to the two sliding bars, and the sliding element is movable along the sliding track.   
     
     
         8 . An exercise device, comprising:
 a sliding track;   a sliding element movably connected to the sliding track, wherein the sliding element comprises a locked base, an inclined positioning hole and a pivoting portion, the locked base has a first positioning hole, and there is a second distance between the locked base and the pivoting portion;   a rotating element connected to the sliding element, wherein the rotating element comprises at least one inclined fixing hole, an arc track and a pivoting axis, there is a third distance between the arc track and the pivoting axis, the second distance is equal to the third distance, the are track is corresponding to the first positioning hole, the pivoting axis is pivotally connected to the pivoting portion, and the rotating element is rotatable at an angle relative to a moving direction of the sliding element; and   a locked element movably connected to the inclined positioning hole and the inclined fixing hole, wherein the rotating element which is inclined at the angle relative to the moving direction of the sliding element is positioned on the sliding element.   
     
     
         9 . The exercise device of  claim 8 , wherein the angle is larger than or equal to 0 degrees and smaller than or equal to 40 degrees, the sliding element further comprises a center positioning hole, the rotating element further comprises a center fixing hole, when the angle is equal to 0 degrees, the center positioning hole is aligned to the center fixing hole. 
     
     
         10 . The exercise device of  claim 8 , wherein the sliding track comprises two sliding bars, the two sliding bars are arranged parallel to each other and separated by a first distance, the pivoting portion is located between the two sliding bars, the pivoting portion has a hollow cylindrical shape, an outer diameter and an inner diameter, the outer diameter of the pivoting portion is smaller than the first distance, the pivoting axis has a cylindrical shape, and a diameter of the pivoting axis is smaller than the inner diameter of the pivoting portion. 
     
     
         11 . The exercise device of  claim 10 , wherein the sliding element further comprises:
 a top portion connected to the pivoting portion, wherein the first positioning hole is located on the top portion;   two inclined portions connected to two opposite sides of the top portion, respectively;   two lug portions having two lug holes, respectively, wherein the two lug holes are corresponding to each other, and the two lug portions are outwardly extended from the two inclined portions, respectively; and   a connecting bar connected to the two lug holes, wherein the top portion, one inclined portion, one lug portion, the connecting bar, the other lug portion and the other inclined portion are connected to form an opening, and the two sliding bars are arranged in the opening.   
     
     
         12 . The exercise device of  claim 11 , wherein the sliding element further comprises:
 at least two inclined bearings pivotally connected to the two inclined portions, respectively, wherein the two inclined bearings are rollably disposed on the two sliding bars, respectively, and the sliding element is movable along the sliding track.   
     
     
         13 . The exercise device of  claim 11 , wherein the sliding element further comprises:
 at least two bottom bearings coaxially and pivotally connected to the connecting bar, wherein the two bottom bearings are rollably connected to the two sliding bars, and the sliding element is movable along the sliding track.