Air passage switching device

Details Air passage switching device Air passage switching device

2007-12-25

2007-12-25

McAllister, Steven B. (Department: 3749)

Ventilation

Vehicle

Condensation preventer

C454S069000, C454S156000, C165S043000, C251S901000

Reexamination Certificate

active

11159608

ABSTRACT:
An air passage switching device includes a film member for opening and closing an opening portion of an air passage, and the film member has a first end portion fixed to a peripheral portion of the opening portion and a second end portion fixed to a winding shaft. The winding shaft is capable of moving in a first direction separated from the first end portion of the film member and in a second direction approaching the first end portion of the first member while rotating. In the air passage switching device, an actuator for operating the winding shaft is disposed in an interior of the winding shaft and is fixed by a fixing member, the winding shaft is disposed rotatably relative to the fixing member, and the fixing member is moved in the first direction or the second direction together with the winding shaft by a guide unit.

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