Film valve assembly for a heating, ventilation and air...

Details Film valve assembly for a heating, ventilation and air... Film valve assembly for a heating, ventilation and air...

2005-08-23

2005-08-23

Joyce, Harold (Department: 3749)

Ventilation

Vehicle

C251S901000, C454S156000

Reexamination Certificate

active

06932691

ABSTRACT:
A film valve assembly for a heating, ventilation and air conditioning system includes a frame, two roller mechanisms disposed on the frame, and a film valve disposed between the roller mechanisms under tension. A tension unit includes a tension rod having two ends that are connected respectively to first and second supporting seats on the base wall by first and second retaining units. The first retaining unit includes a spring-biased retaining element that is biased to engage a retaining hole in the first supporting seat.

REFERENCES:
patent: 5885152 (1999-03-01), Wardlaw
patent: 6616060 (2003-09-01), Parisi et al.

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