Curved exerciser positioning device

Abstract

A curved exerciser positioning device includes a base member having a sleeve extending from center of the base toward a rear end of the exerciser and a buffer upwardly extending from the sleeve; two swing arms being respectively pivoted to two opposite ends of the base member; a platform and a roller being respectively secured on the top of and the bottom of the rear end of each swing arm; a guiding device including a shaft extending into a sleeve; and two rails respectively fixed to both sides of the rear end of the shaft such that both rollers slide thereon.

1 . A curved exerciser positioning device is essentially comprised of a base, two swing arms and a rail unit; the base including a sleeve extending backward from the center of the base, multiple through holes in series being respectively provided on both sides of the sleeve with both series corresponding to each other; multiple pins being inserted into selected through holes and penetrating through the sleeve, and a buffer extending vertically from the top surface of the sleeve; two first ends of both swing arms being respectively pivoted to opposite ends of the base, a pedal being provided on the top surface of a second end of each of both swing arms, and a roller being disposed at the bottom of the pedal, and the rail unit including a shaft with a first end of the shaft being inserted into the sleeve of the base; multiple through holes arranged laterally in series being provided on the shaft, the shaft being secured in position by having the pin penetrating through the through holes of the sleeve and those of the shaft; the total length of the sleeve and the shaft being adjustable by changing relative positions of through holes of the sleeve and those of the shaft, an arc rail platform having the base as center being each fixed to both sides of a second end of the shaft; both swing arms rolling on the rail platform by means of their rollers.  
     
     
         2 . The curved exerciser positioning device of  claim 1 , wherein the swing arm includes a pivoting arm and a dancer; one end of the pivoting arm being pivoted to the base, multiple through holes being disposed in series on the top surface of the pivoting arm to receive insertion of the pin; and the dancer having a first end and a second end with the first end inserting into the pivoting arm from a free end of the pivoting arm, multiple insertion holes in series and coaxially corresponding to those through holes on the pivoting arm being disposed on the top surface of the dancer; the pin penetrating through at the same time those through holes of the pivoting arm and those of the dancer to secure the dancer, the total length of the swing arm being adjustable by changing relative positions of those through holes and insertion holes; the pedal being fixed to the top surface of the second end of the dancer, and the roller being fixed to the bottom of the second end of the dancer.