Releasable double locking knife

A knife including:

• a body defining a cavity, the body including an arm extending into the cavity;
• a blade connected to the body for rotation about a rotation axis between a closed position substantially within the cavity, and an open position substantially outside the cavity wherein the arm engages the blade, thereby locking the blade in the open position;
• and
• a release mechanism coupled to the blade for movement toward and away from the arm, the release mechanism having a cam surface for urging the arm out of engagement with the blade when the blade is in the opened position and the release mechanism is moved toward the arm.

A knife including:

• means for cutting being movable between a closed position and an open position;
• and
• means connected to the cutting means for receiving the cutting means when the cutting means is in the closed position and holding the cutting means when the cutting means is in the open position, the means for receiving and holding defining a cavity and including engagement means extending into the cavity for resisting movement of the cutting means out of the closed position and locking the cutting means in the open position;
• wherein the cutting means includes means for releasing the engagement means to permit movement of the cutting means out of the opened position.

A knife including:

• a body;
• a blade pivotally connected to the body, the blade being configured for movement, using either one of a left hand and a right hand, individually, between a closed position wherein the blade is positioned substantially within the body and an open position wherein the blade is positioned substantially outside the body;
• and
• a movable arm connected to the body having an end that moves into a locking position when the blade is moved into the open position, thereby locking the blade in the open position.