Patent ID: 7798574
Filing Date: 2010-09-21
Classification: B60N,Y10T

Abstract:
1. A reclining apparatus provided with a fixed-side housing and a rotating-side housing that are disposed facing each other, an internal gear provided in the rotating-side housing, and a locking gear that is provided in a movable manner in a storage space secured between the fixed-side housing and the rotating-side housing and is capable of being engaged with or separated from the internal gear, the reclining apparatus comprising: said fixed-side housing being substantially disk shaped; two pairs of guide portions provided in the fixed-side housing and protrude toward the rotating-side housing, a receiving wall face that makes contact with the locking gear and thus guides movement of the locking gear, and a top face that is continuous with that receiving wall face, being formed in each guide portion; and a tapered chamfer portion provided at an edge of the receiving wall face in a position where the receiving wall face and the top face of the guide portion intersect, wherein by providing a thick portion that has a tapered face that corresponds to the tapered chamfer portion, the thick portion being provided directly or nearly directly below a base end portion of the receiving wall face, a connecting portion that integrally connects the guide portion of the fixed-side housing with other parts is thickened, and wherein the tapered chamfer portion is provided only in at least a part of an entire span of the edge of the receiving wall face in the position where the receiving wall face and the top face intersect.