Heller Ehrman White & McAuLiffe
Passive vibration isolating system
 A passive vibration isolating system includes a sliding piece having a lower portion mounted on a base member and a first contact surface defined between the lower portion of the sliding piece and a top portion of the base member, and a supporting member mounted on an upper portion of the sliding piece and a second contact surface defined between a bottom portion of the supporting member and the upper portion of the sliding piece. At least one of the first and second contact surfaces is a curved surface with a concave-convex engagement. 
Taichung Machinery Works Co., Ltd.
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inventional inventional additional
Yuan-Jyi Kelson Z. Y.
Lee Yen