Patent ID: 9376078
Filing Date: 2016-06-28
CPC Classification: B60N,B60R

Claim Text:
1. An inertia locking system for a seat back mechanism of a seatback of a vehicle, the inertia locking system comprising: a base member configured to be connected to a seat back mechanism; a double D-shaped shaft configured to be mounted to the seat back mechanism; an inertia locking bracket that is movable between a rest position and a locked position having a circular opening, wherein the double-D shaped shaft is disposed in the circular opening of the inertia locking bracket; a first elongate slot extending from a side of the circular opening; a second elongate slot in the inertia locking bracket, the second elongate slot being adjacent to the circular opening and first elongate slot; a pin connected to the base member and protruding from the second elongate slot; and a spring connected to the inertia locking bracket at a location near an edge of the inertia locking bracket, wherein the second elongate slot is between the spring and the first elongate slot, and wherein as a result of a frontal vehicular collision, the inertia locking bracket slides in a vehicle forward direction and the double D-shaped shaft becomes locked in the first elongate slot to prevent the seat mechanism from releasing the seatback as a result of the frontal vehicular collision.