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Test Rite International Company, Ltd.

Test Rite International Company, Ltd. Patent applications
Patent application numberTitlePublished
20110186574Damper device and trash can equipped with the same - The present disclosure provides a damper device, comprising: a compression member having a first opening and an expandable casing; a fixed member having a second opening corresponding to the first opening, wherein the fixed member is connected to the compression member, and the second opening and the first opening together form a passage; and a movable member positioned at the passage formed by the first opening and the second opening, wherein when the compression member is being released, the movable member makes the passage open for air to fill in the expandable casing, and when the compression member is being compressed, the movable member makes the passage close to restrict the amount of air discharging from the expandable casing. The present disclosure further provides a trash can equipped with a damper device.08-04-2011