Lever-operated latch device

A lever-operated latch device comprising an assembly of a case body 10, an actuation body 20 mounted on the case body 10, a linking member 30 and a slide body 40, the actuation body 20 having a free end 21 and a pivoted end 22 pivotally connected with the case body 10 in cooperation with elastic members 50, whereby the actuation body 20 can be operated to swing, the free end 21 of the actuation body 20 being formed with two protruding arms 25 and an opening section 26 positioned between the two protruding arms 25, an operation section 80 being disposed in the opening section 26, the linking member 30 having a freely rotatable first end 31 and a second end 32 connected with the slide body 40, the first end 31 being pivotally connected with at least one of the free end 21 of the actuation body 20 and the operation section 80, whereby when an operator presses the operation section 80, the actuation body 20 is permitted to move from a closed position to an opened position so as to drive the linking member 30 and the slide body 40 to move.