Patent ID: 6250441
Filing Date: 2001-06-26
Classification: F16F

Abstract:
A viscous shear-type damper comprising:a casing including an upper cover horizontally movable relative to a container portion having a rectangular parallelepiped-shaped accommodating space covered by said upper cover;an engaging member disposed in the accommodating space and suspended from a lower surface of said upper cover;a plurality of movable resistance plates arranged horizontally one above another in the accommodating space of said container portion with fixed intervals therebetween and engaging said engaging member;a fixed resistance plate arranged horizontally and interposed between adjacent ones of said movable resistance plates while maintaining a very small gap therewith;a viscous material filled in the accommodating space of said container portion to fill the gap between adjacent ones of said movable resistance plates and said fixed resistance plate; anda rectifying section disposed at an end portion of said fixed resistance plate to allow said viscous material to flow, said rectifying section including vertical partition plates each extending vertically and disposed between said end portion of said fixed resistance plate and a side wall portion of said casing, each of said vertical plates having a through hole for enabling said viscous material to flow therethrough.