Exercising device

Abstract

An exercising device includes a main frame, a pivot bar pivotally mounted on the main frame, a stop block mounted on the pivot bar and rested on the main frame when the main frame approaches the pivot bar, two rocking bars mounted on the main frame, and two elastic members each biased between the main frame and the pivot bar. Thus, the longitudinal bar of the main frame is rested on the stop block, thereby preventing the main frame from being entirely rested on the ground due to an excessive rotation, and preventing the user's back from being injured due to excessive bending so as to protect the user's safety.

1 . An exercising device, comprising: 
 a main frame;    a pivot bar pivotally mounted on the main frame;    a stop block mounted on the pivot bar and rested on the main frame when the main frame approaches the pivot bar;    two rocking bars mounted on the main frame; and    two elastic members each biased between the main frame and the pivot bar.    
     
     
         2 . The exercising device in accordance with  claim 1 , wherein the main frame includes a longitudinal bar, a first transverse bar mounted on a first end of the longitudinal bar, and a second transverse bar mounted on a second end of the longitudinal bar.  
     
     
         3 . The exercising device in accordance with  claim 1 , wherein the main frame is substantially I-shaped.  
     
     
         4 . The exercising device in accordance with  claim 2 , wherein the second end of the longitudinal bar of the main frame is provided with two connecting rods located adjacent to the second transverse bar, and each of the two elastic members has a first end secured on a respective one of the two connecting rods of the longitudinal bar of the main frame.  
     
     
         5 . The exercising device in accordance with  claim 4 , wherein the pivot bar has a mediate portion provided with two connecting rods located opposite to the two connecting rods of the longitudinal bar of the main frame, and each of the two elastic members has a second end secured on a respective one of the two connecting rods of the pivot bar to move therewith.  
     
     
         6 . The exercising device in accordance with  claim 2 , wherein the pivot bar has a first end pivotally mounted on the longitudinal bar of the main frame.  
     
     
         7 . The exercising device in accordance with  claim 6 , wherein the longitudinal bar of the main frame has a mediate portion provided with a substantially U-shaped pivot base, and the first end of the pivot bar is pivotally mounted on the pivot base of the longitudinal bar of the main frame.  
     
     
         8 . The exercising device in accordance with  claim 6 , wherein the pivot bar has a second end provided with a roller.  
     
     
         9 . The exercising device in accordance with  claim 6 , wherein the stop block is mounted on the first end of the pivot bar and is rested on the longitudinal bar of the main frame when the longitudinal bar of the main frame approaches the pivot bar.  
     
     
         10 . The exercising device in accordance with  claim 1 , wherein the stop block is vertical to a surface of the pivot bar.  
     
     
         11 . The exercising device in accordance with  claim 2 , further comprising a substantially U-shaped operation handle mounted on the second end of the longitudinal bar of the main frame.  
     
     
         12 . The exercising device in accordance with  claim 2 , wherein each of the two rocking bars has a first end secured on an end of the first transverse bar of the main frame and a second end secured on an end of the second transverse bar of the main frame.  
     
     
         13 . The exercising device in accordance with  claim 1 , wherein each of the two rocking bars is substantially arc-shaped.  
     
     
         14 . The exercising device in accordance with  claim 1 , wherein each of the two elastic members has a flat plate shape.  
     
     
         15 . The exercising device in accordance with  claim 2 , wherein each of the two elastic members is biased between the longitudinal bar of the main frame and the pivot bar.  
     
     
         16 . The exercising device in accordance with  claim 1 , further comprising a retractable bar retractably mounted on the first end of the longitudinal bar of the main frame.  
     
     
         17 . The exercising device in accordance with  claim 16 , wherein the retractable bar has an end provided with a transverse fixing bar for mounting a head cushion.  
     
     
         18 . The exercising device in accordance with  claim 1 , further comprising a backrest mounted on the first transverse bar and the second transverse bar of the main frame.