Ventilation – Having inlet airway – Including specific air distributor
Patent
1993-01-22
1994-08-16
Joyce, Harold
Ventilation
Having inlet airway
Including specific air distributor
248 271, 454330, F24F 1306
Patent
active
053382552
ABSTRACT:
A mounting shoulder (34) attached to an air duct fitting (20) for securing an air duct register (24) over the end of the fitting. The fitting protrudes through an opening (26) in a wall member (22). The mounting shoulder comprises an attachment strip (36), a floor plate (32), and three side walls (40, 42, 44) all formed from a single plate of metal having properly placed cuts and bends. The attachment strip (36) affixes the shoulder to the fitting and is attached to the fitting such that its lower edge (52) is flush with the lower edge of the fitting. The width of the attachment strip is substantially equal to the thickness of the wall member. The floor plate, to which the air duct register may be secured, is attached along one edge to the attachment strip and lies in a plane substantially parallel to the wall member. The three side walls extend in a direction away from wall member from edges of the floor plate. The side walls provide support to the floor plate to prevent it from deflecting excessively under the application of a force in a direction away from the wall member. By using the mounting shoulder on the sides (38) of an air duct fitting, the register can be installed by threading self-drilling screws (28) through register mounting holes (30) and directly through the wall member to secure them in the shoulder. The register can also be installed by drilling holes through the wall member and shoulder and afterwards inserting screws. In either case, the register (24) can be installed securely to the fitting instead of just the wall member.
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Joyce Harold
Noll Manufacturing Co.
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