Patent ID: 9438756
Filing Date: 2016-09-06
CPC Classification: F16M,H04N

Claim Text:
1. An arm rotating device comprising: a support post that is rotatably supported within a predetermined angle of rotation with respect to the device; an arm that has a fixed end and a free end, the arm being fixed to the support post on a side of the fixed end and being configured to enable an operating body to be mounted on a side of the free end; a coil spring that is wound around a peripheral surface of the support post and applies an elastic force in a rotating direction of the support post; and a holding portion that holds at least one end of the coil spring in a movable manner while biasing the one end of the coil spring in the rotating direction in which the elastic force of the coil spring is increased, wherein the holding portion comprises an elastic member that biases at least the one end of the coil spring in the rotating direction in which the elastic force of the coil spring is increased.