Patent ID: 7228949
Filing Date: 2007-06-12
Classification: F16F

Abstract:
1. A linear damper, comprising: a casing; a slider inserted into the casing and moving relatively to the casing, and having a working portion; a damping groove provided in one of the casing and the slider, and having tapering faces formed on the side faces of the damping groove and inclined to taper an inner width of the damping groove in one of a depth direction and an opening direction; a damping portion provided in the other of the casing and the slider to be fitted in the damping groove with allowance for a sliding movement, and having tapering faces facing the tapering faces of the damping groove; a conversion mechanism for producing a force pressing the damping portion in a direction tapering the inner width of the damping groove when a force is applied to the working portion to move the slider in the axis direction; and wherein said damper portion is structured and arranged to be engaged in said damping groove when said damping portion is pressed in a direction of the tapering inner width of said damping groove to provide a wedge effect.