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:
“Though I have locked my gate on them
I pity all the young,
I know what devil’s trade they learn
From those they live among,
Their drink, their pitch and toss by day,
Their robbery by night....”
—William Butler Yeats (1865–1939)