A chair includes a back member and arm brackets. The back member is tapered toward an end that is adjacent to a seat. The arm brackets are attached under a bottom portion of the seat. Each arm bracket is adjustable to provide a seat clearance area for the seat when one or more of the arm brackets are adjusted up to approximately 90 degrees from an original upright position.

A body support structure including a backrest, a seat connected to the backrest, and a suspension material connected to the backrest or the seat. The suspension material includes elastomeric filaments with monofilaments and multifilaments. The suspension material further includes a first zone with a first stiffness, a second zone with a second stiffness greater than the first stiffness, and a transition zone positioned between the first zone and the second zone.

A body support structure including a backrest, a seat connected to the backrest, and a suspension material connected to the backrest or the seat. The suspension material includes elastomeric filaments with monofilaments and multifilaments. The suspension material further includes a first zone with a first stiffness, a second zone with a second stiffness greater than the first stiffness, and a transition zone positioned between the first zone and the second zone.

There is provided an ergonomic chair which is produced from flat components. The components may be made of paper. The components are designed using parametric equations which take the targeted user's proportions into account. The components are then folded, joined, and coated with strengthening material. The chair has a seat, a base, and three legs connecting the seat to the base. The base contains a counterweight mass for keeping the chair in a default upright position. The base contains an accelerometer which can transmit data to a computing device to track a user's posture and other health-related data.

The present invention provides a bidirectional energy-transfer system comprising: a thermally and/or electrically conductive concrete, disposed in a structural object; a location of energy supply or demand that is physically isolated from, but in thermodynamic and/or electromagnetic communication with, the thermally and/or electrically conductive concrete; and a means of transferring energy between the structural object and the location of energy supply or demand. The system can be a single node in a neural network. The thermally and/or electrically conductive concrete includes a conductive, shock-absorbing material, such as graphite. Preferred compositions are disclosed for the thermally and/or electrically conductive concrete. The bidirectional energy-transfer system may be present in a solar-energy collection system, a grade beam, an indoor radiant flooring system, a structural wall or ceiling, a bridge, a roadway, a driveway, a parking lot, a commercial aviation runway, a military runway, a grain silo, or pavers, for example.

The present invention relates to a well-being heating chair and a method for manufacturing same. The well-being heating chair is not harmful to the body, for an environment-friendly composition is used, can provide a humidity control function, antimicrobial activity, deodorization and the like, is light weight relative to the volume and thus can be handled easily, is non-flammable and has excellent compressive strength.

The present invention relates to a well-being heating chair and a method for manufacturing same. The well-being heating chair is not harmful to the body, for an environment-friendly composition is used, can provide a humidity control function, antimicrobial activity, deodorization and the like, is light weight relative to the volume and thus can be handled easily, is non-flammable and has excellent compressive strength.

A concrete chair elevates rebar above an underlying surface. The chair includes a rectilinear rim having a length, width and height of different distance. The rim may be oriented so each side abuts the underlying surface so rebar can be supported at three different heights above the underlying surface. In a foundation pour, the chair supports rebar at three different elevations. In a tilt wall pour, the chair supports rebar at three different elevations and produces a mark on the cured wall of considerably reduced extent.

A concrete chair elevates rebar above an underlying surface. The chair includes a rectilinear rim having a length, width and height of different distance. The rim may be oriented so each side abuts the underlying surface so rebar can be supported at three different heights above the underlying surface. In a foundation pour, the chair supports rebar at three different elevations. In a tilt wall pour, the chair supports rebar at three different elevations and produces a mark on the cured wall of considerably reduced extent.

A chair assembly includes an arm assembly that includes an armrest supported by a vertically adjustable support assembly and an arm base, where the arm base extends at an acute angle with respect to a longitudinal centerline of the chair assembly, an upholstery arrangement including a ring member attached to a cover, where the ring member includes a plurality of reliefs having a width that reduces as the ring member is wrapped about a shell member of the chair assembly, and a control arrangement having a biasing member that moves through an arcuate path as the biasing member is adjusted between varying bias settings.