Three-stage slide rail equipped with a pull-up ordering mechanism

摘要

PROBLEM TO BE SOLVED: To provide a three-stage slide rail capable of regulating actuation ranks and controlling them accurately by installing, on the base part of an intermediate rail, an actuation control part including a locking/releasing mechanism of the intermediate rail and a locking embracing/releasing mechanism of an inner rail.SOLUTION: In a three-stage slide rail 10 equipped with a drawing-time ranking mechanism, an actuation control part comprises a control plate and projections provided on each rail, and comprises: a locking/releasing mechanism of an intermediate rail 30 consisting of an abutting leg 124 abutting on an engaging projection 24 for stopping advance of the intermediate rail, and an engaging leg abutting on an engaging projection for blocking retreat of the intermediate rail; and a locking/releasing mechanism of an inner rail 40 consisting of an engaging abutting piece 142 for locking, embracing and engaging the inner rail with the intermediate rail by being engaged with an engaging projection part 42 and releasing the engagement, and a tip stopper 46 for stopping in the advancing state. The control plate including the engaging leg, the abutting leg and the engaging abutting piece is journaled on the intermediate rail rotatably.