Locking apparatus for vehicle seat

A locking apparatus for a seat, the locking apparatus comprising:

• a side frame rotatably coupled to a rear end of a cushion part and having an arc-shaped slot hole disposed thereon along a turning radius of the cushion part;
• a locking protrusion disposed on the cushion part, fitted into the slot hole, and configured to move along the slot hole in a state in which the cushion part is rotated to be changed to a seating mode or a tip-up mode;
• and
• a latch coupled to the side frame and configured to be locked and fixed by the locking protrusion in a state in which the cushion part is in the seating mode or the tip-up mode,
• wherein:
• the latch is formed in a straight shape and has a first end and a second end at which a first latch groove and a second latch groove configured to receive the locking protrusion are respectively disposed to be open in a same direction;
• the locking protrusion is fitted and fixed into the first latch groove in a state where the locking protrusion is located at a first end of the slot hole in the state in which the cushion part is in the seating mode;
• and
• the locking protrusion is fitted and fixed into the second latch groove in a state where the locking protrusion is located at a second end of the slot hole in the state in which the cushion part is in the tip-up mode.

A locking apparatus for a seat, the locking apparatus comprising:

• a side frame rotatably coupled to a rear end of a cushion part and having an arc-shaped slot hole disposed thereon along a turning radius of the cushion part;
• a locking protrusion disposed on the cushion part, fitted into the slot hole, and configured to move along the slot hole in a state in which the cushion part is rotated to be changed to a seating mode or a tip-up mode;
• a latch rotatably coupled to the side frame and configured to be locked and fixed by the locking protrusion in a state in which the cushion part is in the seating mode or the tip-up mode;
• a latch handle rotatably coupled to the cushion part;
• and
• a latch cable configured to connect the latch handle and the latch to each other and configured to rotate the latch by a pulling force as the latch cable is pulled toward the latch handle in a state in which the latch handle is rotated,
• wherein:
• the latch is formed in a straight shape and has a first end and a second end at which a first latch groove and a second latch groove configured to receive the locking protrusion are respectively disposed to be open in a same direction;
• the locking protrusion is fitted and fixed into the first latch groove in a state where the locking protrusion is located at a first end of the slot hole in the state in which the cushion part is in the seating mode;
• and
• the locking protrusion is fitted and fixed into the second latch groove in a state where the locking protrusion is located at a second end of the slot hole in the state in which the cushion part is in the tip-up mode.

A vehicle comprising:

• a vehicle body;
• a vehicle seat disposed in the vehicle body and comprising a cushion part and a locking apparatus, the locking apparatus comprising:
• a side frame rotatably coupled to a rear end of the cushion part and having an arc-shaped slot hole disposed thereon along a turning radius of the cushion part;
• a locking protrusion disposed on the cushion part, fitted into the slot hole, and configured to move along the slot hole in a state in which the cushion part is rotated to be changed to a seating mode or a tip-up mode;
• and
• a latch rotatably coupled to the side frame and configured to be locked and fixed by the locking protrusion in a state in which the cushion part is in the seating mode or the tip-up mode,
• wherein the latch comprises:
• a body part rotatably coupled to a latch fixing part disposed on the side frame;
• a first extension part extending in a first direction from the body part and having a first end part on which a first latch groove configured to fix the locking protrusion is disposed;
• and
• a second extension part extending in a second direction from the body part, opposite the first direction, and having a second end part on which a second latch groove configured to fix the locking protrusion is disposed.