Foot exercise machine

A foot exercise machine comprising a base, a rotation disk, a linkage rod, a pedal, two elastic ropes, two elastic strips and two elastic pulling strings, wherein:

• a chamber is disposed on the base and the rotation disk pivotly mounted in the chamber;
• the base has at least four securing apertures respectively on four corners, which has a C-shaped indentation accepting an elastic sheet and a positioning protrusion is disposed on a top face of the elastic sheet;
• the rotation disk is a rounded cap and has two opposite pivoting ears having a pivoting aperture, such that an accepting space is provided between the two pivoting ears;
• a plurality of positioning teeth disposed around a bottom periphery of the rotation disk and making contact with the positioning protrusion of the elastic sheet make contact;
• two ends of the linkage rod are respectively provided with a pivoting aperture with a direction perpendicular with each other, one end of the linkage rod is inserted into the accepting space of the rotation disk and attached with two torsion springs at two sides, a pivoting shaft is inserted through the pivoting aperture and the torsion spring to secure the linkage rod onto the pivoting ear of the rotation disk and maintain the linkage rod up vertically;
• two sides of the pedal are respectively provided with a stepping area, each stepping area has an engaging portion at an outer edge and at least two through apertures at an inner portion;
• a long slot is provided at a central area of a bottom side of the pedal;
• a pivoting aperture is provided through the long slot at a central area of the pedal, another end of the linkage rod is accepted in the long slot and a pivoting shaft is placed through the pivoting aperture such that the pedal is positioned off set from the base;
• two ends of the elastic rope are respectively placed through the two through apertures of the pedal and the two securing apertures of the base and respectively have an enlarged portion;
• one end of the elastic strip is secured onto the engaging portion of the pedal and another free end has a plurality of adjusting apertures corresponding to at least one fastening protrusion on the pedal;
• one end of the elastic pulling string is fastened onto the engaging portion of the pedal and another end is provided with a gripping loop.