Air conditioner grill having pivoting horizontal and vertical louvers

Claim 1

An air directing outlet grill having an outer frame adapted to be mounted in the outlet end of an air conveying duct comprising: a plurality of louvers each pivotal about a horizontal axis; a plurality of louvers each pivotal about a vertical axis; first interconnecting means on said horizontally pivotal louvers linking said horizontal louvers for conCurrent limited rotational movement; second interconnecting means on said vertically pivotal louvers linking said vertical louvers for concurrent limited rotational movement; a knob supported on one of said horizontal louvers for pivoting said horizontal louvers about their horizontal axes; said knob being slidable along said one horizontal louver in a direction parallel to the axes of said one louver; crankshaft means including a swing bar having one end portion pivotally mounted in the bottom of said frame, the other end portion connected to a pivotal drive gear sector mounted in the top of said frame and center portion offset from the axis of rotation of said swing bar; flanges on said slidable knob coactive with said center portion of said swing bar to pivot said swing bar and said connected drive gear sector in response to sliding movement of said knob along said one horizontal louver; a driven gear segment on the end of one of said vertical louvers between its end and the top of said frame coactive with said drive gear segment to pivot said vertical louvers in response to pivotal movement of said swing bar and connected drive gear segment.