pitch line

pitch line
noun
Etymology: pitch (IV)
1. : the line on which the pitch of gear teeth or sprocket teeth is measured and which consists of an ideal line in a toothed gear or rack which bears such a relation to a corresponding line in another gear with which it works that the two lines will have a common velocity (as in rolling contact)
2. : the line from which players lag in the game of marbles

* * *

Mach.
1. See pitch circle.
2. an imaginary line within the profiles of the teeth of a rack, such that it moves against, and at the same rate as, the pitch circle of an engaging pinion.
[1790-1800]

* * *

pitch line,
1. an imaginary line passing through the teeth of a gearwheel, pinion, rack, or the like, so as to touch or coincide with the corresponding line in another gearwheel, pinion, rack, or the like, when the two are geared together.
2. (in marble games) the line from which the players lag. It is outside the playing circle, opposite the lag line.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Pitch line — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… …   The Collaborative International Dictionary of English

  • pitch-line — see pitch n.2 26 …   Useful english dictionary

  • pitch line — 3.1.3 pitch line Источник: ГОСТ 28500 90: Передачи ременные синхронные. Термины и определения оригинал документа …   Словарь-справочник терминов нормативно-технической документации

  • Pitch line — The pitch line corresponds, in the cross section of a rack, to the pitch circle (operating) in the cross section of a gear.1 Notes 1. ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols …   Wikipedia

  • pitch line differential — 4.1.6 pitch line differential a Источник: ГОСТ 28500 90: Передачи ременные синхронные. Термины и определения ори …   Словарь-справочник терминов нормативно-технической документации

  • pitch line — Mach. 1. See pitch circle. 2. an imaginary line within the profiles of the teeth of a rack, such that it moves against, and at the same rate as, the pitch circle of an engaging pinion. [1790 1800] * * * …   Universalium

  • pitch line — /ˈpɪtʃ laɪn/ (say pich luyn) noun 1. → pitch circle. 2. a corresponding straight line on a toothed rack …  

  • Pitch — Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with (anything)}, to… …   The Collaborative International Dictionary of English

  • Pitch and toss — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… …   The Collaborative International Dictionary of English

  • Pitch chain — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… …   The Collaborative International Dictionary of English

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