| 摘要 |
1,124,000. Door closing device comprising a modulating door check. VAPOR CORP. 13 June, 1967 [12 Sept., 1966], No. 27246/67. Heading E2M. A door closing device 13 having application in vehicles having passenger/driver operated doors, is illustrated with reference to drawings (see Figs. 1, 2 and 3) and comprises a spring 21 for closing the door 11 and a check device 33 for modulating the closing action, said check 33 including a cylinder 35 having a piston 39 and a rod 32 connected to the door, and having a one-way air valve means 46 intercommunicating the opposite sides of the piston when it is moving toward the closed end of the cylinder during door opening and said valve closing during door closing, a continuously open orifice 50 bleeding air between opposite sides of the piston, an air control hole 52, 53 in the rod end of the cylinder, and means 56, 57 for breaking the seal of the piston with the cylinder wall and enabling air to readily pass between opposite sides of the cylinder allowing fast movement of the piston toward the rod end of the cylinder over a predetermined distance. The device enables the provision of a door closing action made up of a pause as the door starts to close, followed by a fast movement to a position where the door is cushioned before finally being snapped shut. |
