| 摘要 |
A rotary damper includes a driven rotary member having a driven rotary part for engaging a driving member, and a stationary support member for rotatably supporting the driven rotary member. A housing is disposed between the stationary support member and the driven rotary member, and a viscous fluid is disposed in the housing for damping the driven rotary member when the driven rotary member rotates relative to the stationary support member. A sealing member is disposed on the housing for sealing an outer peripheral edge of the housing so as to allow the driven rotary member to rotate relative to the stationary support member. An opening is formed in the driven rotary member or the stationary support member for communicating a portion of the housing inside the sealing member with atmosphere. The opening is closed when or after the driven rotary member and the stationary support member are assembled.
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