Woodruff key

短语

词形变化

Woodruff keys 复数 Woodruff keys

释义与例句

n.
  1. 1.

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

    工程

词源

Developed by William N. Woodruff of Hartford, Connecticut, in the 1880s, to improve on existing keying practice with more economical keyseat cutting; in the era's technological context, this design offered what is today called a DFM improvement (US patent 368744).

来源：wiktionary