Abstract: In a seatback pivotable joint, a pin, having an annular groove formed around the axis thereof, is secured to a stationary member of a vehicle body. A bracket having an opening therein is secured to the seatback. The pin passes through the opening of the bracket so that the annular groove of the pin is located behind the opening with respect to the stationary member. A catcher is provided for engaging the annular groove of the pin and for retaining the catcher in a predetermined position. A device for moving the catcher is supported by the bracket and moves the catcher from its inoperative position to the predetermined operative position thereby retaining the bracket relative to the pin.

Abstract: A knee protector for use in a passenger car equipped with an instrument panel and a steering column installed near the instrument panel, comprises a first and second panels which are separate to each other. The steering column is positioned between the first and second panels. The first and second panels are attached under the instrument panel. A pad covering the first and second panels. The pad has a convex portion to be inserted into a space between the first and second panels.

Abstract: An adjustable headrest for a vehicle seat comprises a stationary guide rail, a slide rail slidable along the guide rail forwardly and backwardly of the seat among several adjusting positions, and means locking the slide rail in one of the adjusting positions, so that the headrest is adjustable back and forth to comfortably adapt to the desired postures of a seat occupant.