Latch apparatus for door of vehicle

A latch apparatus for a door of a vehicle, the latch apparatus comprising:

• a claw lever restrained by a pawl lever to lock a striker as the door is switched from an opened state to a close state, and released from the pawl lever to unlock the striker as the door is switched from the closed state to the open state;
• and
• an elastic member configured to adjust an elastic force provided to the claw lever, as the claw lever is rotated in a state where a first end of the elastic member is movably inserted into a slot formed in the claw lever;
• and
• a movement guide provided on a latch body to guide a moving path of the elastic member inserted therein,
• wherein the first end of the elastic member is inserted into the slot,
• wherein the first end of the elastic member moves from a first position to a second position in accordance with rotation of the claw lever to lock the striker, and
• wherein the first end of the elastic member moves from the second position to the first position in accordance with rotation of the claw lever to unlock the striker,
• wherein the movement guide comprises:
• a first moving path configured to guide the elastic member to a maximum compression position, as the claw lever is rotated to lock or unlock the striker;
• and
• a second moving path extending from the first moving path to define a circulation path, and guiding the first end of the elastic member from the first position to the second position when the claw lever rotates.