Patent ID: 9206875
Filing Date: 2015-12-08
Classification: F16F

Abstract:
1. A rotary damper comprising: a hollow housing which is opened at its one end and completely closed by an end wall at the other end; a bearing formed in the end wall; a shaft fitted to the bearing; a plug made of metal having an aperture into which the shaft is inserted, and fixed to the housing for closing the opening of the housing; a partition arranged inside the housing for rotation in accordance with rotation of the housing; a viscous liquid filling a chamber defined by the partition; and a vane made of metal and arranged in the chamber for rotation in accordance with the rotation of the shaft, wherein the vane includes a check valve, the check valve includes a valve body, and the valve body includes a stop made of resin and arranged between the plug and the vane and the stop interposed between the plug and the vane is configured to prevent flotation of the shaft to reduce the abrasions of the plug and the vane.