Suspension and steering assembly

A suspension and steering assembly mounted on a frame of a vehicle having a front wheel, said assembly comprising:

• a steering means, said steering means being rotatably mounted on an upper portion of the frame;
• a collapsible steering mechanism comprising:
• an upper link having a top and bottom extremity;
• and
• a lower link having a top and bottom extremity;
• said top extremity of the upper link being hingedly connected to the steering means and the bottom extremity being hingedly connected to the top extremity of the lower link of the collapsible steering mechanism;
• and
• a steering stem having a top and a bottom section, said top section being hingedly connected to the bottom extremity of the lower link of the collapsible steering mechanism;
• a steering tube, said steering tube having an upper and a lower portion;
• an upper control arm, said upper control arm having a first and second extremity, said first extremity being pivotally connected to a middle section of the frame, and said second extremity being pivotally connected to the upper portion of the steering tube;
• a lower control arm, said lower control arm having a first and second extremity, said first extremity being pivotally connected to a lower section of the frame, and said second extremity being pivotally connected to the lower portion of the steering tube;
• said steering stem being mounted inside the steering tube and being rotatable about a longitudinal axis defined by the steering tube;
• and
• a wheel fork having a lower section adapted to receive a wheel and an upper section connected to the bottom section of the steering stem.