contrate wheel

from The Collaborative International Dictionary of English v.0.48

Contrate \Con"trate\, a. [See {Contra-}.]
   Having cogs or teeth projecting parallel to the axis, instead
   of radiating from it. [R.]
   [1913 Webster]

   {Contrate wheel}. See {Crown wheel}.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Crown wheel \Crown" wheel`\ (hw?l`). [Named from its resemblance
   to a crown.] (Mach.)
   A wheel with cogs or teeth set at right angles to its plane;
   -- called also a {contrate wheel} or {face wheel}.
   [1913 Webster]

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