Woodruff key

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

Developed by William N. Woodruff of Hartford, Connecticut.

Noun[edit]

Woodruff key (plural Woodruff keys)

  1. (engineering) A semicircular key that fits partly into a circular segment keyway, with the remainder fitting into a longitudinal slot keyway in the mating part.