Patent ID: 7240398
Filing Date: 2007-07-10
Classification: B60R,E05F,E05Y,Y10T

Abstract:
1. An opening and closing damping apparatus for applying damping to rotation of a rotation body pivoted openably and closably with respect to a support body, the opening and closing damping apparatus comprising: an engagement part; an annular groove part with a bottom; a substantially cylindrical rotor; an engagement stop part; and a viscous member, wherein: the engagement part is provided in one of the support body and the rotation body and the annular groove part with the bottom is provided on a same axis as a center of rotation of the other; the substantially cylindrical rotor is fitted into the annular groove part with the bottom; the engagement stop part engaged and stopped in the engagement part is provided in an end of the rotor; the viscous member is interposed between the rotor and the annular groove part with the bottom; and wherein the rotor comprises: