Damped hinge and control device thereof
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United States of America Patent
Stats
-
Sep 24, 2013
Grant Date -
Nov 8, 2012
app pub date -
May 6, 2011
filing date -
May 6, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A damped spring hinge is disclosed, which includes a shaft seat, a shaft, a sleeve, a sliding member, an elastic unit, a non-return valve, a throttle valve. The shaft seat has a seat body, wherein a shaft hole and a receiving hole are formed in the seat body. The shaft can be rotatably disposed in the shaft hole. The sleeve is received in the receiving hole. The sliding member can be slidably disposed in the sleeve. An oil reservoir is formed by the sliding member and the sleeve. The elastic unit is disposed in between the sleeve and the sliding member. The non-return valve is disposed in the oil reservoir, and the throttle valve is disposed on the seat body. Thereby, a self-closing action for the door can be generated, along with the damping effect by the hydraulic oil. A control device of the damped spring hinge is also disclosed.
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