Patent ID: 7264096
Filing Date: 2007-09-04
Classification: F16F

Abstract:
1. A rotary damper comprising: a driven rotary member, a stationary support member for rotationally supporting the driven rotary member, a housing disposed between the stationary support member and the driven rotary member, a viscous fluid 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 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 formed in one of the driven rotary member and the stationary support member at a center thereof for communicating a portion of the housing inside the sealing member with atmosphere, said opening being closed at least after the driven rotary member and the stationary support member are assembled, and a closing member to be fused for closing the opening.