Body exercising trainer

Abstract

A body exercising trainer comprises an elongated frame, two supports coupled with two ends of the frame, two sliding seats slidably mounted on the frame and moved back and forth along a longitudinal axle of the frame, each of the sliding seats being provided with a foot stepping, two elastic members installed in the frame for resiliently holding the sliding seat, and two armrests pivotally mounted on the two supports for a user holding by hands to get balance.

What is claimed is:  
     
         1 . A body exercising trainer, comprising: 
 an elongated frame having a recessed portion extending along a longitudinal axle of said frame, at least one slot disposed on a top side of said frame and communicating with said recessed portion and two rails extending along the longitudinal axle and respectively recessed at two opposite sides of the frame;    two supports respectively coupled to two ends of said frame and adapted to lie against the ground;    at least one elastic member fixed to said frame and located in said recessed position and having an extensible body; and    at least one inverted U-shaped sliding seat having a main plate and two side plates normally connected to two sides of the main plate, said sliding seat mounted over said frame and having a guiding post at a bottom side of said main plate, said guiding post having an end inserted through said slot and into said recessed portion, said two side plates respectively provided with at least one roller rotatably mounted on the inner side thereof, said roller being installed in the respective rail, thereby said sliding seat being able to move back and forth along the longitudinal axle of said frame, and when said guiding post is moved with said sliding seat, the extensible body of said elastic member can be pulled to be extended.    
     
     
         2 . The body exercising trainer as defined in  claim 1 , wherein said frame is integrally formed by aluminum-extrusion, having a top plate, two side plates, and two bottom plates formed by said side plates bent inward, said two side plates being recessed to form said rails having a T-shaped cross section.  
     
     
         3 . The body exercising trainer as defined in  claim 2 , further comprising a pin, wherein said frame axially has a plurality of locating holes on one of said side plates and one of said side plates of said sliding seat has a positioning hole, said pin running through said positioning hole and one of said locating holes so as to fix said sliding seat on said frame.  
     
     
         4 . The body exercising trainer as defined in  claim 3 , wherein said top plate comprises two said slots positioned along the longitudinal axle of said frame, two said elastic members respectively disposed in corresponding position to one of said slots, two said sliding seats mounted over said frame, each said guiding post pulling one of said elastic members to be extended.  
     
     
         5 . The body exercising trainer as defined in  claim 4 , wherein the extensible body of said elastic member has two fixing ends for connecting to the bottom side of said top plate of said frame and located at two lateral sides of said slot, whereby the body of said elastic member stands across said slot and contacts against said guiding post when said guiding post is moved along with said sliding seat.  
     
     
         6 . The body exercising trainer as defined in  claim 1 , wherein each of said supports comprises a transverse bar and a connecting bar, said connecting bar being inserted into a free end of said recessed portion and fixedly coupled with said frame, said transverse bar being steadily positioned on the ground.  
     
     
         7 . The body exercising trainer as defined in  claim 6  and further comprising two armrests, said armrests being pivotally respectively coupled with said transverse bars and having tops for the holding of a user's hands.