DYNAMIC DAMPER, VEHICLE SEAT, AND VEHICLE ACCESSORY

摘要

A dynamic damper (8) is provided with: a base section (8a); a weight unit (8d); a first elastic support unit (91) for elastically supporting the weight unit (8d) with respect to the base section (8a) at a first support position (P1) with a first spring constant (k1); and a second elastic support unit (92) for elastically supporting the weight unit (8d) with respect to the base section (8a) at a second support position (P2) that is separated from the first support position (P1) in a first direction with a second spring constant (k2) that differs from the first spring constant (k1).