The term "involute" refers to the shape of the teeth ... These large pressure angles can give rise to self-intersecting gear geometry even with a zero clearance. To get a valid model, such gears need ...

Series 464; Photographs of the Involute Gear Co. by Peter MacCallum, 1990-1992 Series 465; Photographs of the National Rubber Co. Ltd. by Peter MacCallum 1993-1994 Series 466; Photographs of grain ...