Training bicycle with users weight operated drive has saddle arm and pedal frame connected to bell crank to drive rear wheel via cable and pulley

摘要

The training bicycle has a frame (1) with a front wheel (2) and a rear wheel (3). The saddle (5) is mounted to the frame on a pivoted arm (51) which is connected via a link rod (16) to a bellcrank (63) also connected to a pedal frame (4). The bellcrank has a pulley and cable (61) drive to the rear wheel.