| 摘要 |
PURPOSE: Door checker install structure is provided to continuously apply synovia to a contact face between a roller and a checker arm and to prevent a noise generated by drying the synovia on the contact face. CONSTITUTION: A roller(100) is closely attached to a peripheral face of a checker arm(11) by an elastic member(103) fixing the roller while the roller is located on a thread of the checker arm. Thus, a push piston(105) is inserted to inside of a receive groove(103) to compress air in the receive groove by pumping. The compressed air is let in a synovia storage(101) through a first air through hole(106) to push back the synovia via a synovia-discharging hole(102) by pressurizing pressure to the synovia contained in the synovia storage. The synovia discharged from the storage flows down on the roller and the peripheral face of the checker arm for being applied to a contact face between the roller and the checker arm. Then, the push piston is protruded form the receive groove by repulsive force of the elastic member while the roller is located on a recessed portion. Thereby, the synovia is not counter flowed by preventing vacuum of the receive groove by letting the outer air in the receive groove via a second air through hole(107).
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