Floor structure

1. A floor structure for a booth that is installed on an installation surface and that includes a side wall and a door through which a user enters and exits the booth, the floor structure comprising:

a floor surface of a space that is configured to be enclosed by the side wall and in which a desk and chair are placed on the floor surface;

at least one fastener that is configured to fasten the floor surface to the installation surface and that is provided so as to be accessible; and

a floor supporting member configured to be protruding inwardly relative to the side wall,

wherein the floor supporting member forms a perimeter around an opening and the at least one fastener is configured to be accessible through the opening,

wherein the floor surface is unequally divided, outside a range of motion of the chair, into two portions that are a larger portion and a smaller portion arranged in a longitudinal direction of the floor surface,

wherein the larger portion of the floor surface supports the chair and the desk,

wherein the smaller portion is a portion to be removed, and

wherein at least two sides of the larger portion are in contact with and configured to move along the floor supporting member along the longitudinal direction.

2. The floor structure according to claim 1 ,

wherein the smaller portion of the floor surface is configured to be positioned close to the door.

3. The floor structure according to claim 2 ,

wherein the at least one fastener is configured to be at least disposed at a corner of the booth, and the at least one fastener becomes accessible when the larger portion of the floor surface is moved toward a region from which the smaller portion of the floor surface is removed, within a range of up to half a length of the smaller portion of the floor surface in the longitudinal direction of the floor surface.

4. The floor structure according to claim 3 ,

wherein the larger portion of the floor surface is in contact with and supported by the floor supporting member at a position of the larger portion of the floor surface after being moved toward the region from which the smaller portion of the floor surface is removed.

5. The floor structure according to claim 2 , further comprising:

a rectangular anti-toppling board,

wherein the at least one fastener comprises four fasteners configured to be respectively corresponding to four corners of the booth, and

wherein, at two of the four corners of the booth, the corresponding two of the four fasteners are configured to be disposed on the installation surface with the anti-toppling board interposed therebetween.

6. The floor structure according to claim 1 ,

wherein the at least one fastener is configured to be at least disposed at a corner of the booth, and the at least one fastener becomes accessible when the larger portion of the floor surface is moved toward a region from which the smaller portion of the floor surface is removed, within a range of up to half a length of the smaller portion of the floor surface in the longitudinal direction of the floor surface.

7. The floor structure according to claim 6 , further comprising:

wherein the larger portion of the floor surface is in contact with and supported by the floor supporting member at a position of the larger portion of the floor surface after being moved toward the region from which the smaller portion of the floor surface is removed.

8. The floor structure according to claim 1 , further comprising:

a rectangular anti-toppling board,

wherein the at least one fastener comprises four fasteners configured to be respectively corresponding to four corners of the booth, and

wherein, at two of the four corners of the booth, the corresponding two of the four fasteners are configured to be disposed on the installation surface with the anti-toppling board interposed therebetween.