| 摘要 |
The invention is an automobile air vent with a simple knob that provides a smooth sense of operation. The device comprises a circular casing(20) with a bracket(22) at the front, a cylindrical housing(182) behind the bracket(22), and a spring(18) inserted within the housing(182); dampers(12,14) which supply and block the cool air, hot air, and ventilated air into the passenger compartment, and separated by a pusher(164) at front of the push knob(16); and a push knob(16) integrally consisting of a rod(162) attached inside a spring(18) and a pusher(164) attached to the exterior of the housing(182). The device provides smooth operation and is a simple activating structure for the upper and lower dampers.
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