Ventilation – Vehicle – Having inlet airway
Patent
1999-07-12
2000-11-21
Joyce, Harold
Ventilation
Vehicle
Having inlet airway
454108, 454300, 454311, 454323, B60H 134
Patent
active
061495131
ABSTRACT:
Disclosed is a ceiling grille for an air conditioner of a recreational vehicle. A center grille part is disposed on a lower surface of the ceiling grille for discharging cooled air in a vertical downward direction. The center grille part has a first center opening. A closure member is arranged above the center grille part for opening and closing the center grille part while being moved up and down. The closure member has a second center opening aligned with the first center opening and a cam part placed around the second center opening. A guide section guides upward and downward movements of the closure member. A spring is intervened between the center grille part and the closure member for biasing upward the closure member. A knob is rotatably fitted into the first and second center openings. A cap member is coupled to the knob to be integrally rotated therewith. The cap member has a plurality of projections which slide on an upper end surface of the cam part to cause the closure member to be moved up and down.
REFERENCES:
patent: 3401620 (1968-09-01), Armstrong et al.
patent: 5162018 (1992-11-01), Horton
patent: 6074295 (2000-06-01), Volkj
Boles Derek S.
Carrier Corporation
Joyce Harold
LandOfFree
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