Patent ID: 6948284
Filing Date: 2005-09-27
Classification: E04H

Abstract:
1. An all-directional damping and earthquake-resisting unit, comprising: at least one inner-upper carrier; at least one inner-lower carrier located below said at least one, inner-upper carrier, at least one round ball located between said at least one inner-upper and inner-lower carriers and being capable of bearing a high weight; and ball restoring means for holding said at least one round ball in a given place between said at least one inner-upper and inner-lower carriers; wherein said ball restoring means include a wavy surface having a plurality of successively arranged and staggered convexes and concaves formed thereon, said wavy surface being provided on one of two adjacent surfaces on said at least one inner-upper and inner-lower carriers; and a curved recess formed on the other one of said two adjacent surfaces on said at least one inner-upper and inner-lower carriers, such that said at least one round ball is always retained between said curved recess and said concaves of said wavy surface.