| 摘要 |
A seat reclining device (1) includes a spiral spring (9) made of a wire (9A) and formed in a spiral shape having a first engaged portion (91) and a second engaged portion (92), a first engaging member (7) and a second engaging member (8) characterized in that one/each of the first engaging member and the second engaging member includes an extending direction supporting member (s) supporting the first engaged portion and/or the second engaged portion, from the opposite end side of the wire in an extending direction thereof, a first supporting member (o) supporting the first engaged portion and/or the second engaged portion from outside of the wire, and a second supporting member supporting (i) the first engaged portion and/or the second engaged portion from inside of the wire in a normal direction thereof.
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