公开(公告)号：US3913170A

公开(公告)日：1975-10-21

申请号：US53800775

申请日：1975-01-02

Applicant: MIWA LOCK KK

Inventor： NAKANE SUNAO ,  WAKE KIYOYASU

IPC: E05F5/02 ,  E05F3/04 ,  E05F3/14 ,  E05F3/22

CPC classification number: E05F3/04 ,  E05Y2201/20 ,  E05Y2201/232 ,  E05Y2201/458 ,  E05Y2900/132 ,  Y10T16/2766 ,  Y10T16/2788

Abstract: A door closer for affording a controlled closing movement to a door including a return spring, an oil hydraulic piston and cylinder means, and a valve for generating a damping force when the door closers, said valve comprises a movable valve member for regulating oil flow through the valve, and a bimetal element connected with the movable valve member in response to the change in the temperature thereby attaining a substantially constant closing speed of the door irrespective to the change in the temperature.

Abstract translation: 一种闭门器，用于向门提供受控的关闭运动，包括复位弹簧，油压活塞和气缸装置，以及用于当闭门器产生阻尼力的阀，所述阀包括用于调节油流过的可移动阀构件 阀，以及响应于温度变化与可动阀构件连接的双金属元件，从而获得门的基本恒定的关闭速度，而与温度的变化无关。