Seat suspension with quick height adjustment

A seat suspension for a vehicle seat permitting quick height adjustment comprising:

• a stationary support means adapted to be mounted on the vehicle;
• an intermediate frame means;
• a suspension means mounting said intermediate frame means on said stationary support means for vertical sliding movement relative thereto;
• a seat support frame means mounted on said intermediate frame for upward or downward movement relative thereto between vertically spaced lower, intermediate and upper positions;
• a ratchet means including a plurality of vertically spaced ratchet members mounted on one of said frame means and a pawl member including a pawl mounted on the other of said frame means for movement from an engagement position to a nonengagement position relative to said ratchet members to releasably secure said seat support frame means in any one of said selected lower, intermediate or upper positions;
• and
• a pawl release means including a biasing member and an actuating means for moving said pawl to said nonengagement position, said biasing member connected to releasably urge said pawl member toward said engagement position while allowing said seat support frame means to be moved from said lower to any of said intermediate or upper positions and create an impulse at each position without activating said actuating means, and said actuating means mounted to enable selective displacement of said pawl member to said pawl nonengagement position wherein said seat support frame means is free to be moved downward or upward to any of said upper, intermediate or lower positions, wherein
• said pawl member further includes a cam follower means movable to pawl locked and pawl unlocked positions;
• said pawl release actuating means comprises an actuating member and a releasable lockout latch means, said lockout latch means having a pawl lock cam surface and a pawl unlocked cam surface, said pawl locked cam surface contacting said cam follower means to lock said pawl in its engagement position, and said pawl unlocked cam surface contacting said cam follower means to place said pawl in said unlocked nonengagement position;
• and
• said biasing member is connected to said lockout latch means to releasably bias said lockout latch means toward said pawl engaged position.