Vehicle seat assembly having a pivot pitch

A vehicle seat assembly convertible between a use position and a non-use position, the vehicle seat assembly comprising:

• a seat with a seat cushion support;
• a seatback;
• a base configured to connect to a vehicle;
• a front pivot linkage supported by the base by a first joint and pivotally connected to the seat cushion support of the seat by a second joint;
• a rear foot pivotally support by the base by a third joint, wherein a pivoting movement of the rear foot about the third joint is lockable by a lock mechanism, and wherein the rear foot is connected to the seatback by a fourth joint;
• a fifth joint that connects the seatback to the seat cushion support, wherein the fourth joint is a latch and the fifth joint provides a free pivot, and wherein the fourth joint is latched when the seat moves from the use position to a boarding non-use position;
• a stop member located forward of the rear foot to contact the rear foot in the boarding non-use position, wherein the stop member includes a stop plate supported on the base;
• and
• a biasing spring for biasing the rear foot to pivot forward towards the stop member.

A vehicle comprising:

• a cabin interior;
• and
• a vehicle seat assembly convertible between a use position and a non-use position, the vehicle seat assembly comprising:
• a seat with a seat cushion support;
• a seatback;
• a base connected to the vehicle in the cabin interior;
• a front pivot linkage supported by the base by a first joint and pivotally connected to the seat cushion support of the seat by a second joint;
• a rear foot pivotally supported on the base by a third joint, wherein a pivoting movement of the rear foot about the third joint is lockable, and wherein the rear foot is connected to the seatback by a fourth joint;
• a fifth joint that connects the seatback to the seat cushion support, wherein the fourth joint is a latch and the fifth joint provides a free pivot, and wherein the fourth joint is latched when the seat moves from the use position to a boarding non-use position;
• and
• a stop member including a stop plate supported on the base and located forward of the rear foot to contact the rear foot in the boarding non-use position.