Exercise bicycle with inclined seats for two people

An exercising device comprising:

• a main frame for resting on a surface;
• a subsidiary frame member, mounted to and supported by said main frame at an angle inclined with respect to said surface, said subsidiary frame member defining a plurality of apertures arranged along a common line on a first surface thereof;
• an elongated supporting shaft having first and second ends;
• a mounting plate fixed to the first end of said supporting shaft;
• U-shaped flange means fixed to the second end of said supporting shaft, said flange means including a flat portion and at least first and second legs extending from said flat portion in a direction axial to said supporting shaft, said first and second ends spaced apart a distance exceeding at least one dimension of said subsidiary frame member first surface, said flange means further including a pin projecting axially therefrom between said first and second legs, said pin having a length which is less than the lengths of either of said first and second legs, said pin having a diameter which is slightly less than the diameter of any of said plurality of apertures, said first and second legs defining first and second holes, respectively, in registry with one another, said flange means for reciprocally sliding along said subsidiary frame member and for engaging with a selected one of said plurality of apertures;
• a locking means, extending through said hole in said first leg to said hole in said second leg, for pulling said first and second legs together and thereby retaining said elongated supporting shaft in a selected position whereat said pin extends into said selected one of said plurality of apertures;
• a first seat fixed to said mounting plate;
• and
• a first set of pedals, rotatably journalled to one of said main frame and said subsidiary frame member, for being rotated by the feet of a person seated in said seat.