Adjustable slide latch device

An adjustable slide latch device comprising:

• a slide track unit with an outer track and an extendable and retractable inner track held in the outer track,
• a stopper device provided with a stopper piece and an adjustment piece, and
• a limit piece,
• wherein the stopper device and the limit piece are disposed at the same side of the inner track and the outer track, and the stopper device stops the limit piece when the two tracks are combined together,
• wherein the stopper piece is disposed on the surface of the inner track and has a first base part and a second base part, which allows both sides of the first base part and the second base part to be fixed between upper and lower sides of the inner track and have equidirectional-extended support arms comprising thrust blocks developed at rear ends and opposite-arranged raised stopper ribs on corresponding side surfaces and positioning parts between the two support arms at one side of the first base part and the second base part, and the stopper piece is composed of a first stopper piece and a second stopper piece engaging relatively, the first stopper piece has the first base part with a mounting hole at the side of the first base part, and the second stopper piece has the second base part with a dowel pin at the side of the second base part which engages the mounting hole for positioning;
• wherein the adjustment piece is disposed on the other side of the stopper piece away from the inner track, and comprises a pivot part joining the positioning parts of the stopper piece and provided with ribs oppositely arranged on its peripherals wherein the ribs are used to drive the stopper ribs of the stopper piece and adjust a spacing between the thrust blocks at the rear ends of the two support arms during rotation of the adjustment piece.