Fabric for a modular chair suitable for defining a surface in use and for supporting a user when seated on the chair, and a perimeter area defined by edges of the surface. The fabric includes, at the surface, a periodic weave, the base of which includes at least one main filament, inside of which at least one secondary filament is also inserted, arranged in a weft along a predetermined trajectory. The main filament and the secondary filament are mutually and tightly attached at the perimeter area. The fabric includes at least one spool defining a long element trapped inside part of the fabric along the perimeter area wherein the weaving of the main filament creates a tubular shape suitable for housing the spool, and the secondary filament at least partially wraps the spool to mutually block the main filament and the secondary filament at the spool.

A connecting piece (100) comprises a first body (101), two supporting legs (102) respectively connected to the left and right sides of the first body (101), a supporting arm (103) connected to the first body (101) and extends upward; the first body (101) has a first mounting hole (1011) opening forward; the supporting arm (103) has a second mounting hole (1031). It is convenient to assemble and simplifies the connection operation of a cot. A tensioning piece comprises a second body (201), a clamping portion (202), the second body (201) has a connecting hole (2011), the clamping portion (202) has an opening (2021) for clamping onto a side rod (400) of the cot, and the opening (2021) is arc-shaped. So it can be easily disassembled and assembled without additional tools. And a cot is convenient to store and disassemble and assemble.

A backrest includes a primary frame having a pair of laterally spaced first uprights defining a first opening therebetween, a first front surface and a first rear surface. A secondary frame includes a pair of laterally spaced second uprights defining a second opening therebetween, a second rear surface facing the first front surface of the primary frame and a second front surface, wherein the secondary frame is coupled to the primary frame, and wherein at least portions of the first and second openings are aligned. A flexible shell overlies and is coupled to the second front surface of the secondary frame. The flexible shell includes a third rear surface visible through the aligned portions of the first and second openings.

A topper (38) for a bed extends in longitudinal and lateral directions and includes a fluid flowpath (60) for channeling fluid through the topper from an inlet (62) to an outlet (64). The flowpath is configured to distribute the fluid to a preferred target region (50) of the topper. A bed which includes the topper has a blower (72) connected to the topper inlet for supplying air (88) to the flowpath.

A topper (38) for a bed extends in longitudinal and lateral directions and includes a fluid flowpath (60) for channeling fluid through the topper from an inlet (62) to an outlet (64). The flowpath is configured to distribute the fluid to a preferred target region (50) of the topper. A bed which includes the topper has a blower (72) connected to the topper inlet for supplying air (88) to the flowpath.

A mechanism for suspending a skin material on a seat rear surface with a simple and light structure is described. A vehicle seat including a seat back forming a backrest surface includes a seat back pad which is a cushion material of the seat back, a skin material which covers the seat back pad, a wire of which a part is embedded inside the seat back pad and another part is exposed to a seat rear surface, and a hook which is attached to an end portion of the skin material on the side of the seat rear surface. The wire engages with the hook so that the skin material is suspended and fixed to the seat rear surface of the seat back.

A mechanism for suspending a skin material on a seat rear surface with a simple and light structure is described. A vehicle seat including a seat back forming a backrest surface includes a seat back pad which is a cushion material of the seat back, a skin material which covers the seat back pad, a wire of which a part is embedded inside the seat back pad and another part is exposed to a seat rear surface, and a hook which is attached to an end portion of the skin material on the side of the seat rear surface. The wire engages with the hook so that the skin material is suspended and fixed to the seat rear surface of the seat back.

A cover material fixing device includes: a first fixing member that is formed in a plate shape so that the first fixing member is connected to a first cover material at a first connection portion of one end portion and has an insertion portion formed at the other end portion; and a second fixing member that is disposed on a groove portion of a fixed member, is provided along the first fixing member, and includes a holding portion holding the insertion portion. The insertion portion is inserted and engaged with the holding portion so that the first cover material is fixed to the fixed member and the insertion portion of the first fixing member includes a rotation restricting portion for the holding portion.

A cover material fixing device includes: a first fixing member that is formed in a plate shape so that the first fixing member is connected to a first cover material at a first connection portion of one end portion and has an insertion portion formed at the other end portion; and a second fixing member that is disposed on a groove portion of a fixed member, is provided along the first fixing member, and includes a holding portion holding the insertion portion. The insertion portion is inserted and engaged with the holding portion so that the first cover material is fixed to the fixed member and the insertion portion of the first fixing member includes a rotation restricting portion for the holding portion.

Provided is a vehicle seat that allows engagement holes for engaging an end part of the skin member to be provided without burdening the seat frame design. The seat cushion of the vehicle seat includes a frame structure, a support member supported by the frame structure within the frame structure to resiliently support an occupant, a pad provided on a proximal side of the frame structure and the support member, and a skin member covering the pad. The support member is provided with plurality of engagement portions engaging end parts of the skin member.