Multipurpose exercising machine

Abstract

A multipurpose exercising machine for exercising the muscles of the arms, legs and abdomen includes a machine base, a seat pad mounted on the machine base, a back pad pivoted to the machine base behind the seat pad and forwardly backwardly turnable relative to the machine base and positionable at a predetermined angle, a pedal unit mounted on the machine base in front of the seat pad, the pedal unit having two pedals for pedaling by the user, and a chest and back developer grip unit detachably mounted on the machine base behind the seat pad. The chest and back developer grip unit has two operation arms for pulling by the user.

1 . A multipurpose exercising machine comprising: 
 a machine base horizontally positioned on a floor;    a seat pad mounted on said machine base for sitting by a user; and    a chest and back developer grip unit having a frame detachably mounted on said machine base behind said seat pad, two swivel connectors respectively pivoted to said frame at two sides and selectively set between a first position and a second position, two operation handles respectively pivoted to said swivel connectors, said operation handles being moved to a vertical position when said swivel connectors set in said first position, said operation handles being moved to a horizontal position when said swivel connectors set in said second position, and a plurality of elastomeric members symmetrically bilaterally connected between said handles and said frame.    
     
     
         2 . The multipurpose exercising machine as claimed in  claim 1  further comprising a back pad pivoted to said machine base behind said seat pad for supporting the user's back, said back pad being forwardly backwardly turnable relative to said machine base and positionable at a predetermined angle.  
     
     
         3 . The multipurpose exercising machine as claimed in  claim 2 , wherein said machine base comprises a plurality of locating pins disposed at different elevations below said back pad; said back pad comprises a supporting bar for selectively supporting on one of said locating pins, said supporting bar having one end pivoted to a back side thereof and an opposite end provided with a locating hole for receiving one of said locating pins.  
     
     
         4 . The multipurpose exercising machine as claimed in  claim 1  further comprising a pedal unit mounted on said machine base in front of said seat pad, said pedal unit having two pedals for pedaling by the user.  
     
     
         5 . The multipurpose exercising machine as claimed in  claim 4 , wherein said machine base comprises a retractable rack disposed in front of said seat pad; said pedal unit is mounted on said retractable rack and horizontally movable with said retractable rack relative to said seat pad.  
     
     
         6 . The multipurpose exercising machine as claimed in  claim 1  further comprising a plurality of elastic cord members each having one end fastened to said machine base and an opposite end terminating in a grip for the gripping of the user's hand.  
     
     
         7 . The multipurpose exercising machine as claimed in  claim 1 , wherein said machine base comprises a mounting tube vertically disposed behind said seat pad; said chest and back developer grip unit comprises a mounting bar downwardly extended from a bottom side thereof and vertically slidably inserted into said mounting tube.  
     
     
         8 . The multipurpose exercising machine as claimed in  claim 1 , wherein said chest and back developer grip unit further comprises two shoulder straps for fastening to the user's shoulders.  
     
     
         9 . A multipurpose exercising machine comprising: 
 a machine base;    a seat pad mounted on said machine base, and    a chest and back developer grip unit having a frame detachably mounted on said machine base, two swivel connectors respectively pivoted to said frame at two sides and selectively set between a first position and a second position, two operation handles respectively pivoted to said swivel connectors, said operation handles being moved to a vertical position when said swivel connectors set in said first position, said operation handles being moved to a horizontal position when said swivel connectors set in said second position, a plurality of elastomeric members respectively connected between said handles and said frame, and two shoulder straps respectively provided at said frame.