CLAIMS
1. A module used for stacking thin panels, comprising:
a sandwiching support portion configured to sandwich and support the thin panel;
a load transmitting portion coupled with the sandwiching support portion, the load transmitting portion transmitting a weight of the thin panel in a vertical direction; and
a positioning portion configured to relatively position the thin panels in a horizontal direction, the thin panels being stacked in the vertical direction, wherein
the sandwiching support portion includes a lower plate-shaped body and a vertical wall, the lower plate-shaped body being disposed on a lower portion of the module, the vertical wall extending upward from an outer edge of the lower plate-shaped body to form an approximately C-shaped cross-sectional surface in conjunction with the lower plate-shaped body, the sandwiching support portion sandwiching and supporting the thin panel inserted from an opening of the C-shaped cross-sectional surface,
the load transmitting portion includes a load transmitting surface formed outward from an outer surface of the vertical wall, and
the positioning portion includes an inner lock portion on an inner edge of the lower plate-shaped body and an outer lock portion on an outer edge of the lower plate-shaped body, the inner lock portion being contactable with an inner edge of an upper portion of the module, the outer lock portion being contactable with an outer edge of the upper portion of the module.
2. The module used for stacking thin panels according to claim 1, wherein

the positioning portion further includes an upper plate-shaped body disposed on the upper portion of the module, and
the positioning portion includes the inner lock portion on the inner edge of the lower plate-shaped body and the outer lock portion on the outer edge of the lower plate-shaped body, the inner lock portion being contactable with an inner edge of the upper plate-shaped body, the outer lock portion being contactable with an outer edge of the upper plate-shaped body.
3. The module used for stacking thin panels according to claim 2, wherein
a middle plate-shaped body is disposed between the upper plate-shaped plate and the lower plate-shaped plate in parallel with both of the plate-shaped bodies,
the sandwiching support portion has an approximately C-shaped cross-sectional surface formed by the middle plate-shaped body and the lower plate-shaped body, and
the sandwiching support portion is configured to sandwich and support the thin panel nakedly inserted between the middle plate-shaped body and the lower plate-shaped body from an opening of the C-shaped cross-sectional surface.
4. The module used for stacking thin panels according to claim 3, wherein
a top surface of the upper plate-shaped body constitutes a load receiving
surface,
an inferior surface of the lower plate-shaped body constitutes a load releasing surface, and
a longitudinal rib that couples an inferior surface of the upper plate-shaped body with a top surface of the middle plate-shaped body, the longitudinal rib being

disposed on an inner surface of the vertical wall.
5. A module used for stacking thin panels, comprising:
a sandwiching support portion configured to sandwich and support the thin panel;
a load transmitting portion coupled with the sandwiching support portion, the load transmitting portion transmitting a weight of the thin panel in a vertical direction; and
a positioning portion configured to relatively position the thin panels in a horizontal direction, the thin panels being stacked in the vertical direction, wherein
the sandwiching support portion includes an upper plate-shaped body and a vertical wall, the upper plate-shaped body being disposed on an upper portion of the module, the vertical wall extending downward from an outer edge of the upper plate-shaped body to cooperate with the upper plate-shaped body to form an approximately C-shaped cross-sectional surface, the sandwiching support portion sandwiching and supporting the thin panel inserted from an opening of the C-shaped cross-sectional surface,
the load transmitting portion includes a load transmitting surface formed outward from an outer surface of the vertical wall, and
the positioning portion includes an inner lock portion on an inner edge of a lower portion of the module and an outer lock portion on an outer edge of the lower portion of the module, the inner lock portion being contactable with an inner edge of the upper plate-shaped body, the outer lock portion being contactable with an outer edge of the upper plate-shaped body.

6. The module used for stacking thin panels according to claim 5, wherein
the positioning portion further includes a lower plate-shaped body disposed on the lower portion of the module, and
the positioning portion includes the inner lock portion on an inner edge of the lower plate-shaped body and the outer lock portion on an outer edge of the lower plate-shaped body, the inner lock portion being contactable with the inner edge of the upper plate-shaped body, the outer lock portion being contactable with the outer edge of the upper plate-shaped body.
7. The module used for stacking thin panels according to claim 6, wherein
a middle plate-shaped body is disposed between the upper plate-shaped plate and the lower plate-shaped plate in parallel with both of the plate-shaped bodies,
the sandwiching support portion has an approximately C-shaped cross-sectional surface formed by the middle plate-shaped body and the upper plate-shaped body, and
the sandwiching support portion is configured to sandwich and support the thin panel nakedly inserted between the middle plate-shaped body and the upper plate-shaped body from an opening of the C-shaped cross-sectional surface.
8. The module used for stacking thin panels according to claim 7, wherein
a top surface of the upper plate-shaped body constitutes a load receiving
surface,
an inferior surface of the lower plate-shaped body constitutes a load releasing surface, and
a longitudinal rib that couples an inferior surface of the middle plate-shaped

with a top surface of the lower plate-shaped body, the longitudinal rib being disposed on an inner surface of the vertical wall.
9. The module used for stacking thin panels according to claim 3 or 7, wherein
the middle plate-shaped body has a recess with a notch, the notch opening at its
inner edge side.
10. The module used for stacking thin panels according to claim 2 or 6, wherein
the sandwiching support portion includes the vertical wall that couples the
outer edge of the upper plate-shaped body with the outer edge of the lower plate-shaped body to form an approximately C-shaped cross-sectional surface by the upper plate-shaped body and the lower plate-shaped body, and
the sandwiching support portion is configured to sandwich and support the thin panel inserted between the lower plate-shaped body and the upper plate-shaped body from an opening of the C-shaped cross-sectional surface.
11. The module used for stacking thin panels according to claim 2 or 6, wherein
the inner lock portion includes an inner rim extending downward from the
inner edge of the lower plate-shaped body, the inner rim being contactable with the inner edge of the upper plate-shaped body from inside, and
the outer lock portion includes an outer rim extending downward from the outer edge of the lower plate-shaped body, the outer rim being contactable with the outer edge of the upper plate-shaped body from outside.
12. The module used for stacking thin panels according to claim 2 or 6, wherein

a frame body is attached to a peripheral edge portion of the thin panel, the frame body having a C-shaped cross-sectional surface, the C-shaped cross-sectional surface having an opening facing inward,
the sandwiching support portion is configured to sandwich and support the thin panel inserted between the lower plate-shaped body and the upper plate-shaped body from the opening with the C-shaped cross-sectional surface via the frame body,
the positioning portion includes an inner rim that projects downward from the inner edge of the lower plate-shaped body, the inner rim being contactable with the inner edge of the upper plate-shaped body from inside,
the frame body has a height that allows for being sandwiched by the sandwiching support portion,
the frame body has a protruding width such that the frame body is disposed in a state where the frame body is depressed from the inner edge of the upper plate-shaped body toward the vertical wall when the frame body is sandwiched and supported by the sandwiching support portion, and
an outer side surface of the inner rim forms means for preventing the frame body from being pulled out from the sandwiching support portion toward the inner rim.
13. The module used for stacking thin panels according to claim 12, wherein
the frame body is annular,
a surface of the thin panel is fixed in a state where the surface of the thin panel abuts against one surface of an inner circumference side, the one surface forming a part of the C-shaped cross-sectional surface, and
the thin panel is sandwiched and supported by the sandwiching support portion in a state where the surface of the thin panel faces downward such that a space for

inserting a finger is ensured between a back surface of the thin panel and the other surface on the inner circumference side of the frame body, the other surface forming a part of the C-shaped cross-sectional surface.
14. The module used for stacking thin panels according to claim 2 or 6, wherein
the load transmitting portion has a box structure attached to the outer surface of
the vertical wall,
the box structure has a rectangular lateral cross-sectional surface with a rib
inside, the rib extending in the vertical direction,
a top surface of the box structure forms a load receiving surface, and an inferior surface of the box structure forms a load releasing surface.
15. The module used for stacking thin panels according to claim 14, wherein
the box structure is disposed such that the inferior surface of the box structure projects downward from a lower edge of the vertical wall, and the top surface of the box structure is depressed downward from an upper edge of the vertical wall so as to form the outer rim that abuts against the outer edge of the upper plate-shaped body.
16. The module used for stacking thin panels according to claim 11, wherein
when the inner rim or the outer rim is brought into abutment with the inner
edge of the upper plate-shaped body or the outer edge of the upper plate-shaped body, a predetermined clearance is ensured between the outer rim and the outer edge of the upper plate-shaped body and between the inner rim and the inner edge of the upper plate-shaped body.

17. The module used for stacking thin panels according to claim 2 or 6, wherein
the upper plate-shaped body and the lower plate-shaped body each have an L
shape with a notch at a corner portion, thereby forming an opening in the vertical wall, the opening including an outer edge corresponding to each of notches of the upper plate-shaped body and the lower plate-shaped body, and side edges of the vertical wall, the side edges facing each other and extending in the vertical direction, and
the thin panel is positioned to be in contact with the edges that form the opening and project from the opening when the thin panel is sandwiched and supported by the sandwiching support portion.
18. The module used for stacking thin panels according to claim 14, wherein
the box structure is attached to the outer surface of the vertical wall on each
side of the opening, and
each box structure is attached such that an inner surface of the box structure fits a side edge of the opening, and an outer surface of the box structure fits an outer side edge of the vertical wall.
19. The module used for stacking thin panels according to claim 14, wherein
a top surface of the upper plate-shaped body constitutes the load receiving
surface, and
an inferior surface of the lower plate-shaped body constitutes the load releasing surface.
20. The module used for stacking thin panels according to claim 2 or 6, wherein
a support surface for supporting the thin panel from below is formed on the

inner lock portion, the inner lock portion being contactable with the inner edge of the upper plate-shaped body.
21. The module according to claim 20, wherein
a height of the vertical wall is set such that a distance between the support surface and an inferior surface of the upper plate-shaped body is larger than a thickness of the thin panel that is placed on the support surface.
22. The module according to claim 15, wherein
the top surface and the inferior surface of the box structure are inclined surfaces, the inclined surfaces being in parallel with each other.
23. The module according to any one of claims 1 to 22, wherein the thin panel is a rectangular solar panel.
24. The module according to any one of claims 1 to 22, wherein the module is made of resin and integrally molded.
25. A module used for stacking thin panels, comprising:
an upper plate-shaped body and a lower plate-shaped body in parallel with each other;
a sandwiching support portion configured to sandwich and support a thin panel;
a load transmitting portion coupled with the sandwiching support portion, the load transmitting portion transmitting a weight of the thin panel in a vertical direction;

and
a positioning portion configured to relatively position the thin panels in a horizontal direction, the thin panels being stacked in the vertical direction, wherein
the sandwiching support portion has space nearly equal to a thickness of the thin panel,
the load transmitting portion has a load transmitting surface, the load transmitting surface being formed outward from the upper plate-shaped body and the lower plate-shaped body, and
the positioning portion includes an inner lock portion on an inner edge of the lower plate-shaped body and an outer lock portion on an outer edge of the lower plate-shaped body, the inner lock portion being contactable with an inner edge of the upper plate-shaped body of the module, the outer lock portion being contactable with an outer edge of the upper plate-shaped body of the module.