Spring mechanism

Abstract

A spring mechanism includes: a drive unit; a main body that houses the drive unit; a first structure that is disposed facing a first main surface of the main body and separated from the main body; and at least one first elastic member that has a first main surface side end movably connected to the first main surface and a first structure side end movably connected to the first structure, the at least one first elastic member including a non-circular cross-sectional shape. The first elastic member rotates about a longitudinal axis by driving of the drive unit, thus allowing a repulsive force of the first elastic member with respect to a load component in a direction in which the first structure is pressed against the main body to be variably set.

Dependencies are inferred from the claim text.