Knife with safety lock

A knife, comprising:

• a handle defining a first slot configured to receive a spindle of a lock button, the first slot having a first portion and a second portion;
• a blade rotatably coupled to the handle and configured to rotate between a closed position and an opened position, the blade including a tang that includes a first leg and a second leg that define a second slot;
• and
• a locking assembly configured to secure the blade within the handle, comprising:
• the lock button including the spindle configured to translate within the first slot between a first position and a second position and configured to be received within the second slot and interface with the first leg and the second leg when the blade is in the closed position to prevent rotation of the blade relative to the handle, and
• a spring arm configured to bias the lock button, wherein the spring arm biases the lock button towards the first position while the spindle is within the first portion of the first slot and biases the lock button towards the second position while the spindle is within the second portion of the first slot.

A folding knife, comprising:

• a handle;
• a blade rotatably coupled to the handle and configured to rotate between a closed position and an opened position, the blade defining a slot defined by a first leg and a second leg, wherein the first leg includes a surface opposite the slot;
• and
• a locking assembly configured to secure the blade within the handle, comprising:
• a lock button including a spindle is configured to translate relative to the handle between a first position and a second position, wherein
• the spindle is configured to be received by the slot in the blade to prevent rotation of the blade relative to the handle while the lock button is in the first position, and
• the surface is configured to push the spindle from the first position to the second position as the blade rotates from the opened position to the closed position.