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 saw the Arab map.
It resembled a mare shuffling on,
dragging its history like saddlebags,
nearing its tomb and the pitch of hell.”
—Adonis [Ali Ahmed Said] (b. 1930)