Ventilator grill and method for assembling the same
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United States of America Patent
Stats
-
Oct 27, 1987
Grant Date -
N/A
app pub date -
Nov 18, 1985
filing date -
Nov 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ventilator grill comprises an outer frame made of synthetic resin having an inlet opening and outlet opening, at least one stationary vane extending across an interior of the outer frame, a plurality of through holes provided in each half of the outer frame, arcuate recess provided in an end face of the respective stationary vane, which opposes the inlet opening of the outer frame, and which has a circular arc, and at least one movable vane extending across the stationary vane, which is provided at opposite sides thereof in opposing side walls of the halves of the outer frame with journal shafts received within the through holes for permitting the movable vane to swing about an axis of swing extending through a center of the circular arc of the arcuate recess, and which is provided at one end portion thereof toward the inlet opening of the outer frame with a portion which is in sliding contact with the arcuate recess.
First Claim
Family
International Classification(s)
Cited Art Landscape
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