Abstract: The adjustment mechanism according to the present invention is composed of a body, a hollow bar interior formed in the body, at least one screw hole formed on one side of the body, at least one tightening screw passing through the screw hole, a knob rigidly connected to the tightening screw to turn the screw, at least one tightening member on which the tip portion of the tightening screw rests in the interior, at least one guide rigidly connected to the tightening member, and at least one guide hole formed on the body supporting the guide in a free fit.

Abstract: The present invention relates to an adjustment device for exercise apparatuses, which comprises a flange (4), a coupling body (6) coupled to said flange (4) by means of a pressure bar (61d), adjustment protrusion (6e) and pressure pin (6g), a coupling ring (5) through which the coupling body (6) is passed, a vertical arm (8) connected to said coupling body (6) so as to be adjusted in the back and forth direction and rotationally, and a coupling arm (9) connected to said vertical arm (8).