Two-person exercise wheel mechanism

A two-person exercise wheel mechanism, comprising:

• a ring;
• a rocker arm lever;
• a parallelogram linkage mechanism;
• a spring;
• a stopper;
• and one or more support beams, wherein:
• two rocker arm levers have their bottom ends respectively hinged to two points of the ring at which a diameter line intersects the ring;
• the two rocker arm levers have their top ends hinged to opposite ends of the parallelogram linkage mechanism between which a tension spring is provided;
• and
• two stoppers are positioned at the bottom ends of the two rocker arm levers.

The two-person exercise wheel mechanism of claim 1, wherein:

• two rings are fixedly connected in juxtaposition;
• two seats are provided between the two rings, so that the two-person exercise wheel is formed;
• and
• a connecting line between respective equivalent positions on the two rings of a same structure is parallel to a concentric axis vertically passing through circular centers of the two rings.

The two-person exercise wheel mechanism of claim 2, wherein:

• the parallelogram linkage mechanism is a non-equilateral parallelogram linkage mechanism;
• when two ends connected to the seats are in upper and lower positions, two connecting rods of the non-equilateral parallelogram linkage mechanism connected at one end where the seat is at a lower end present a long right rod and a short left rod;
• and
• two connecting rods of the non-equilateral parallelogram linkage mechanism connected at the other end where the seat is at an upper end present a short right rod and a long left rod.

The two-person exercise wheel mechanism of claim 2, wherein:

• the seat on the two-person exercise wheel is formed by means of connection of suspension racks and a seat plate;
• the two suspension racks of each seat are interconnected by a rigid back beam of the seat;
• and
• the seat plate is mounted to the suspension racks of the seat in a suspending manner.

The two-person exercise wheel mechanism according to claim 2, wherein:

• a pedal is provided on the two-person exercise wheel;
• armrest handles are provided on the suspension racks on both sides of the seat;
• a safety belt is further provided;
• and
• the armrest handles are provided symmetrically on the sides of the seat.