Combined portable seat and carrying case

Claim 2

A combined portable seat and carrying case comprising first and second side wall members hinged to each other and rotatable between a closed, case-fashion position and an open, seat-fashion position, characterized in that the side wall members are identical, each comprising at each side thereof a pair of outwardly directed, concentric circular bearing surfaces, one being formed outside a projection and the other inside a recess, the projecting bearing surface of one side matching the recessed bearing surface of the other side of each of the side wall members, forming together when coupled to each other the hinged connection therebetween, and a bottom member forming part of and rotatably supporting the side wall members in their coupled position.

Claim 3

The case as claimed in claim 1 wherein the bottom member comprises: (i) a partly cylindrical portion of a length substantially equal to the width of the side walls; (ii) opposite side portions at the ends of the cylindrical portion each formed with a circular opening concentric with the cylindrical portion; and (iii) a ridge extending within and in the middle of the cylindrical portion.

Claim 4

The case as claimed in claim 2 wherein each of the side wall members comprises: (i) a generally planar portion merging into a partly cylindrical portion of a diameter slightly smaller than that of the bottom member cylinder, which cylindrical portion terminates with a straight edge; (ii) opposite side portions at the ends of the cylindrical portion, each formed with a circular opening provided in a circular recess seen from inside, and a circular projection seen from outside the case, the circular projection of one side portion of one side wall being of a diameter slightly smaller than the diameter of the openings of the bottom member side portions, and the associated circular recess being of still smaller diameter, the circular projection of the other side portion of the said one side wall being of a diameter slightly less that the diameter of the said circular recess, the arrangement being such that in the assembled state of the case, the projection of the said one side of each side wall becomes rotatably supported by the respective opening of the bottom member side portions, and the projections of the said other side of each side wall becomes rotatably supported within the respective recesses of the said one side of each side wall, and the said edges abut each against an opposite side of the ridge when the case is opened into the seat-fashion position.

Claim 5

The case as claimed in claim 3 wherein the ridge is of a T-shaped cross-section, the said edges being of a width slightly smaller than the height of the T-center web.

Claim 6

The case as claimed in claim 4 wherein the side portions of the side walls are provided with openings, a plug being axially inserted at each side through the respective openings.

Claim 7

The case as claimed in claim 5 wherein the plug of one side is rotatably coupled to one side wall and the plug of the other side is coupled to the other side wall, the bottom member being coupled to both plugs with a degree of angular freedom so that when the side walls are rotated from their open to their closed position the botton is retained in a symmetric position.

Claim 8

The case as claimed in claim 6 wherein each plug axle portion and respective opening are of complementary polygonal cross-section, the botton member being provided with a protrusion projecting into a cavity formed in the respective plug.

Claim 9

The case as claimed in claim 7 wherein each plug is closed by a second, complementary plug.

Claim 10

The case as claimed in claim 8 wherein each side wall comprises a springy detent, cooperating with a lip portion of the base member for holding the case in the closed position.

Claim 11

The case as claimed in claim 9 wherein complementary circular recesses are formed in the bottom member, in alignment with the said detents.