Mechanical device that transmits intermittent motion or permits a shaft to rotate in one direction but not in the opposite one. Reversible ratchets are used on socket wrench handles and are convenient for tightening or loosening bolts in positions where a complete revolution of a wrench handle is impossible. They are used in mechanical jacks to lock the jack rod after each successive lift.
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Ratchet & Clank Future: a Crack in Time Launches Exclusively on the PlayStation3, Delivering an Enjoyable CG-Animated Experience for the Entire Family.
Nov 14, 2009; Sony Computer Entertainment America Inc.(SCEA) announced the release of ratchet & Clank[R] Future: A Crack in Time...