Abstract: A system for locking a blade of a knife with a folding blade in an unfolded position includes a handle-forming part for a user to grasp, and a blade pivotably mounted relative to this handle-forming part. The blade pivots to adopt either an unfolded position for use, or a foldaway position for storage, wherein it is partially concealed in the handle-forming part. A first locking element on a top of the knife, cooperates with the blade and adopts a first position of locking the blade in the unfolded position and a second release position of the blade A second locking element cooperating with the first locking element, adopts a first position of locking the first locking element in the first locking position of the blade, and a second release position wherein the second locking element forces the first locking element to adopt the second release position of the blade.

Abstract: A knife and device assembly includes a knife with a blade part and a handle part having on the blade part, near the handle part, a hook shaped part with an interior recess, in combination with a device comprising an extended handle. A front end of the handle has both a pin for engaging with and pivoting in the hook shaped part of the blade part, and a cutting element to cut metal wires and the like. The handle fulfills the function of cutting pliers with the handle part of the knife. The front end of the handle has a fork shape with two wings braced by the pin. The cutting element is received in a space formed between the wings, the pin and a bottom of the fork shape, and has a cutting part projecting beyond the handle.

Abstract: A knife and device assembly includes a knife with a blade part and a handle part having on the blade part, near the handle part, a hook shaped part with an interior recess, in combination with a device comprising an extended handle. A front end of the handle has both a pin for engaging with and pivoting in the hook shaped part of the blade part, and a cutting element to cut metal wires and the like. The handle fulfills the function of cutting pliers with the handle part of the knife. The front end of the handle has a fork shape with two wings braced by the pin. The cutting element is received in a space formed between the wings, the pin and a bottom of the fork shape, and has a cutting part projecting beyond the handle.

Abstract: A device to remove an archery arrow or arrowhead from a target or receiving support is fitted to a knife at one or more suitable points and comprises a gripper which can be fitted to and/or receive an archery arrowhead or arrow that penetrates the target or the receiving support. The device installed on a knife is employed to grip the arrow or arrowhead so that the knife can be pivoted like a lever such that the tip of the knife rests on the target or receiving support. In this way, the arrow or arrowhead can be removed by tilting the knife.

Abstract: A device to remove an archery arrow or arrowhead from a target or receiving support is fitted to a knife at one or more suitable points and comprises a gripper which can be fitted to and/or receive an archery arrowhead or arrow that penetrates the target or the receiving support. The device installed on a knife is employed to grip the arrow or arrowhead so that the knife can be pivoted like a lever such that the tip of the knife rests on the target or receiving support. In this way, the arrow or arrowhead can be removed by tilting the knife.