especially in hostile environment used knife with retractable blade

摘要

The knife has a handle (2) attached at the rear of a sheath (1), and a blade (3) sliding in the sheath in a manner to completely retract in the sheath or to exceed to the front of the sheath. A blade actuating system has a trigger (11) that is movable under the handle, and a rod connects the trigger to the blade. A hand grip bar (9) of the system is articulated at the sheath by an axle (10), and the trigger comprises a return spring (13).