The pitch helix is the intersection of the tooth surface and the pitch cylinder of a helical gear or cylindrical worm.
Read more about this topic: List Of Gear Nomenclature
Famous quotes containing the word pitch:
“I dream that I have brought
To such a pitch my thought
That coming time can say,
“He shadowed in a glass
What thing her body was.””
—William Butler Yeats (1865–1939)