| 摘要 |
An elongate lock is positionable along a shaft end segment and acts on a key on the end segment to drive same outwardly into abutment with a shaft carried article. The lock and key have cooperating surfaces which translate lock movement into outward key movement with such surfaces including a rounded key surface such as a woodruff key. A threaded segment of the lock permits forceful lock and key engagement. A modified key is of pin shape.
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