Patent ID: 8622468
Filing Date: 2014-01-07
Classification: B60N,B60R

Abstract:
1. A seat back device comprising: a seat back that is placed on a rear side of a vehicle cabin and has a movable portion that is movably disposed in correspondence to a lower back region of a seated passenger and a forwardly collapsible portion that is forwardly collapsibly disposed above the movable portion at least when the movable portion is in a closed configuration; a frame member that is disposed inside the seat back and in which is formed an open portion that has a size including the movable portion and the forwardly collapsible portion and that makes the vehicle cabin and a luggage compartment communicate; an angle adjusting mechanism which, as a result of being operated by the passenger, adjusts the movable portion about an axis along a vehicle width direction to a predetermined angle; and a trunk-through mechanism which, as a result of being operated by the passenger, forwardly collapses the movable portion and the forwardly collapsible portion from the seat back and opens the open portion.