Seat for mobility vehicle

1 . A seat apparatus comprising:

a seat frame supporting at least a seat bottom of the seat apparatus;

at least one leg portion supporting the seat frame and including an elongated hole formed to extend in a longitudinal direction of the at least one leg portion; and

a pin member mounted on the seat frame and inserted into the elongated hole to connect the seat frame and the at least one leg portion to each other,

wherein the elongated hole at least partially includes a narrow portion having a width narrower than a diameter or a width of the pin member,

wherein the seat frame includes:

a pair of side members respectively disposed on left and right sides of the seat apparatus, the pair of side members having symmetrical or same shapes; and

at least one support member disposed between the pair of side members to connect the pair of side members to each other,

wherein each side member has at least one through-hole through which the pin member is insertable and passable.

2 . The seat apparatus of claim 1 , wherein the elongated hole includes:

a first end portion and a second end portion, respectively formed at first and second ends of the elongated hole in the longitudinal direction of the at least one leg portion; and

the narrow portion connecting the first end portion and the second end portion of the elongated hole to each other,

wherein the narrow portion includes a constant width in a longitudinal direction of the elongated hole.

3 . The seat apparatus of claim 2 ,

wherein the pin member is mounted at the first end portion in an unloaded state, and

a width of the first end portion is equal to the diameter or the width of the pin member.

4 . The seat apparatus of claim 1 , wherein the elongated hole includes:

a first end portion and a second end portion, respectively formed at first and second ends of the elongated hole in the longitudinal direction of the at least one leg portion; and

the narrow portion connecting the first end portion and the second end portion of the elongated hole to each other,

wherein the narrow portion has the width decreasing from the first end portion to the second end portion.

5 . The seat apparatus of claim 1 , wherein the elongated hole includes:

a first end portion and a second end portion, respectively formed at first and second ends of the elongated hole in the longitudinal direction of the at least one leg portion; and

the narrow portion connecting the first end portion and the second end portion of the elongated hole to each other,

wherein the narrow portion includes a bead protruding from a side wall of the elongated hole to an interior of the elongated hole.

6 . The seat apparatus of claim 5 , wherein the bead is in plural and the plurality of beads protrude from the side wall of the elongated hole to the interior of the elongated hole.

7 . The seat apparatus of claim 6 ,

wherein the narrow portion has a minimum width defined as a distance between an end portion of each bead, protruding from a first side wall of the elongated hole, and a second side wall of the elongated hole, and a maximum width defined as a distance between the first side wall of the elongated hole and the second side wall of the elongated hole, and

wherein the minimum width is less than the diameter or the width of the pin member.

8 . The seat apparatus of claim 6 , wherein the plurality of beads are alternately disposed on a first side wall and a second side wall of the elongated hole.

9 . The seat apparatus of claim 8 ,

wherein each bead has a thickness defined as a length extending along a longitudinal direction of the elongated hole in each bead, and

wherein the plurality of beads have a thickness increasing from the first end portion to the second end portion.

10 . The seat apparatus of claim 6 ,

wherein each bead has a thickness defined as a length extending along a longitudinal direction of the elongated hole in the bead, and

wherein the plurality of beads have a thickness increasing from the first end portion to the second end portion.

11 . The seat apparatus of claim 5 ,

wherein the narrow portion has a minimum width defined as a distance between an end portion of the bead, protruding from a first side wall of the elongated hole, and a second side wall of the elongated hole, and a maximum width defined as a distance between the first side wall of the elongated hole and the second side wall of the elongated hole, and

wherein the minimum width is less than the diameter or the width of the pin member.

12 . The seat apparatus of claim 1 , wherein the pin member is formed as an extension portion extending from an end portion of the at least one support member.

13 . The seat apparatus of claim 1 , wherein the pin member is formed as a bolt, and the at least one support member includes a screw hole formed in an end portion thereof in an axial direction so that the pin member is screwed into the screw hole.

14 . The seat apparatus of claim 1 , wherein the pin member is formed as a bolt, and includes a nut fastened to the bolt.

15 . The seat apparatus of claim 1 ,

wherein the pin member is in plural and the elongated hole is in plural, and

wherein the plurality of pin members are respectively provided on the side members and are spaced from each other in a height direction of the seat apparatus and the plurality of elongated holes are formed in the at least one leg portion, and

wherein the plurality of elongated holes are disposed in series in the longitudinal direction of the at least one leg portion.

16 . The seat apparatus of claim 1 , wherein the at least one leg portion further includes a foot extending from a lower end portion of the at least one leg portion.

17 . The seat apparatus of claim 1 , wherein the at least one leg portion is fixed to a floor within a cabin of a mobility vehicle.