The pitch line corresponds, in the cross section of a rack, to the pitch circle (operating) in the cross section of a gear.
Read more about this topic: List Of Gear Nomenclature
Famous quotes containing the words pitch and/or line:
“It is beyond a doubt that during the sixteenth century, and the years immediately preceding and following it, poisoning had been brought to a pitch of perfection which remains unknown to modern chemistry, but which is indisputably proved by history. Italy, the cradle of modern science, was at that time, the inventor and mistress of these secrets, many of which are lost.”
—Honoré De Balzac (1799–1850)
“I thank heaven for a man like Adolf Hitler, who built a front line of defense against the anti-Christ of Communism.”
—Frank Buchman (1878–1961)