It is an object of the present invention to provide a rotary damper capable of automatically adjusting an exhibited braking force in correspondence with variation in load. A fluid chamber 2 into which viscous fluid is charged is formed in a casing 1. A van...

A rotary damper which provides the stabilization of a damping characteristic and a temperature characteristic without impairing a temperature compensation function and facilitates a lubricating operation. A bore (24) for a damping force generating mechanis...