Dual-cam seat-hinge assembly

摘要

A seat back adjustment mechanism for a seat assembly enabling a seat back to be selectively positioned in various fold-forward positions relative to a seat, and locked into at least one forward position, includes a quadrant supporting a cam plate that interfaces with a locking member to block an arm rotatably supporting the quadrant. The arm preferably includes a series of pawl teeth for selectively engaging the locking member to lock the seat back in a selected fold-forward position. Alternatively, the arm includes a corner portion or includes a link and a sector plate allowing for the locking of the seat back in a single fold-forward position, horizontal to the seat. A gear assembly is further provided to facilitate actuation of the adjustment mechanism.