Pocket-knife having a handle provided with a slidable blade

Claim 1

A pocket-knife having a handle comprising: a front component having a pivotal plate provided with a slot having a recess at each of its extremities, said pivotal plate being provided with a pivotal connection for pivotal movement; a blade having an extremity to be moved out from the handle; a pin connected to the other extremity of the blade and being adapted to slide along said slot, said pin having an extremity emerging from said slot; a back component forming with said front component a channel with an opening into which said blade can slide longitudinally inside said handle, said blade being slid by positioning said pivotal plate in a first position in which said pin can be slid by a user along said slot to move said blade along said channel, said blade being locked outside or inside said handle by positioning said pivotal plate in a second position in which said pin is either located in one of said recesses of the slot adjacent to said opening to lock the blade outside or in the other of said recesses of the slot to lock the blade inside; and resilient means having one of its ends attached to the blade, and its other end attached to a portion of the handle distal from said opening so that said blade is automatically retracted inside said handle when said pivotal plate is in said first position.