図１９は、本発明の第３の実施形態に係るスライドレールアセンブリの概略斜視図であり、レール部材に対して所定の位置から別の所定の位置に第１の方向の変位された第１のブラケットを示す。 
FIG. 1 is a perspective view of the slide rail assembly according to a first embodiment of the present invention, showing the slide rail assembly mounted on a rack; FIG. 2 is an exploded perspective view of the slide rail assembly according to the first embodiment of the present invention, showing the first bracket separated from the second brackets; FIG. 3 is an assembled perspective view of the slide rail assembly according to the first embodiment of the present invention, showing the first and second brackets are assembled; FIG. 4 shows the slide rail assembly according to the first embodiment of the present invention, with the first bracket not only detached from the rest of the slide rail assembly (including the second brackets), but also shown in an exploded view; FIG. 5 is a schematic view of the slide rail assembly according to the first embodiment of the present invention, showing the first bracket at a predetermined position with respect to the rail member; FIG. 6 is a schematic view of the slide rail assembly according to the first embodiment of the present invention, showing the locking device operated and thus switched from a locking state to an unlocking state; FIG. 7 is a schematic view of the slide rail assembly according to the first embodiment of the present invention, showing the first bracket displaced with respect to the rail member from the predetermined position to another predetermined position in a first direction; FIG. 8 is a schematic view of the slide rail assembly according to the first embodiment of the present invention, showing the slide rail assembly mounted on a first post and a second post of the rack, with the locking device in the locking state; FIG. 9 is an enlarged view of the circled area A in FIG. 8 ; FIG. 10 is a schematic view of the slide rail assembly according to the first embodiment of the present invention, showing the slide rail assembly mounted on a first post and a second post of the rack, with the locking device in the unlocking state; FIG. 11 is an enlarged view of the circled area A in FIG. 10 ; FIG. 12 is a schematic view of the slide rail assembly according to the first embodiment of the present invention, showing that the first bracket of the slide rail assembly is at the second predetermined position and detached from the first post while the second bracket remains mounted on the second post; FIG. 13 is a schematic view of the slide rail assembly according to the first embodiment of the present invention, showing that both the first bracket and the second bracket of the slide rail assembly are detached from the rack; FIG. 14 is a schematic view of the slide rail assembly according to a second embodiment of the present invention, showing the first bracket at a predetermined position with respect to the rail member and mounted on the first post; FIG. 15 is a schematic view of the slide rail assembly according to the second embodiment of the present invention, showing the locking device operated and thus switched to an unlocking state; FIG. 16 is a schematic view of the slide rail assembly according to the second embodiment of the present invention, showing the first bracket displaced with respect to the rail member from the predetermined position to another predetermined position in the first direction; FIG. 17 is a schematic perspective view of the slide rail assembly according to a third embodiment of the present invention, showing the first bracket at a predetermined position with respect to the rail member and mounted on the first post; FIG. 18 is a schematic perspective view of the slide rail assembly according to the third embodiment of the present invention, showing the locking device operated and thus switched to an unlocking state; FIG. 19 is a schematic perspective view of the slide rail assembly according to the third embodiment of the present invention, showing the first bracket displaced with respect to the rail member from the predetermined position to another predetermined position in the first direction; FIG. 20 is a schematic drawing of the slide rail assembly according to a fourth embodiment of the present invention, showing the first bracket at a predetermined position with respect to the rail member and mounted on the first post; FIG. 21 is a schematic drawing of the slide rail assembly according to the fourth embodiment of the present invention, showing the locking device operated and thus switched to an unlocking state; FIG. 22 is a schematic drawing of the slide rail assembly according to the fourth embodiment of the present invention, showing the first bracket displaced with respect to the rail member from the predetermined position to another predetermined position in the first direction; and FIG. 23 is a schematic drawing of the slide rail assembly according to a fifth embodiment of the present invention, showing the slide rail assembly mounted on the first post and the second post of the rack, with the locking device in the locking state.