A chair back structure is disclosed and includes a chair back that includes a frame, an upper support pad coupled to an upper portion of the frame, and a lower support pad arranged at a lower end of the upper support pad, and an elastic connection piece connecting the upper support pad and the lower support pad to each other. The upper support pad includes a lower support pad coupling seat. The lower support pad includes an upper support pad coupling seat. The elastic connection piece has an upper end mounted to the lower support pad coupling seat of the upper support pad and a lower end mounted to the upper support pad coupling seat of the lower support pad, so that the lower support pad is provided with elasticity and movability by means of the elastic connection piece.

A seat includes a frame defining an interior space bounded by an outer periphery. A fabric portion extends radially inward from the frame. A plurality of bands is engaged with the fabric portion and a plurality of support members is coupled to one or more bands of the plurality of bands. Each support member includes a connection member and a contact member secured to the connection member. The contact members cooperate to form a support surface spanning at least a portion of the interior space.

A chair component includes a first chair member adapted to support a seated user, a second chair member movable between a first position, wherein the second chair member is substantially coplanar with the first chair member, and a second position, wherein the second chair member is substantially parallel with the first chair member, a cover member wrapped about at least a portion of the first chair member and at least a portion of the second chair member, and a single-piece drawstring operably coupled with the cover member to draw the cover member about the at least a portion of the first chair member and the at least a portion of the second chair member when the second chair member is in the first position.

An improved locker seat includes a pair of spaced-apart upstanding sidewalls having a pair of front edges. A generally horizontal seat extends between and at least partially forward of the front edges of the sidewalls. A lower seatback is connected at a lower extent by a hinge between the sidewalls and extending above the seat, the lower seatback is movable about the hinge between an open position and a closed position. An upper seatback is connected at an upper extent by a hinge between the sidewalls and above the lower seatback, the upper seatback being movable about the hinge between an open and a closed position.

Disclosed is a functional chair capable of adjusting a height of a seat according to a body type and posture of a user. The functional chair includes a first seat configured to support a left pelvis, a second seat which is provided at a right side of the first seat and is configured to support a left pelvis, a frame which is provided below the first seat and the second seat to support the first and second seats, a backrest which protrudes from one side of the first and second seats in an upward direction to support a user's back, a seat pressure measuring unit which is respectively provided on the first seat and the second seat to measure pressure of the first and second seats and send a first pressure value and a second pressure value, a controller which receives the first pressure value and the second pressure value from the seat pressure measuring unit to generate a height adjusting signal for adjusting a height of the first and second seats, a memory which stores in advance drive command information corresponding to a difference between the first pressure value and the second pressure value, a first height adjusting unit which is provided between the first seat and the frame to adjust the height of the first seat according to the height adjusting signal from the controller, and a second height adjusting unit which is provided between the second seat and the frame to adjust the height of the second seat according to the height adjusting signal from the controller.

A chair back structure is disclosed and includes a chair back that includes a frame, an upper support pad coupled to an upper portion of the frame, and a lower support pad arranged at a lower end of the upper support pad, and an elastic connection piece connecting the upper support pad and the lower support pad to each other. The upper support pad includes a lower support pad coupling seat. The lower support pad includes an upper support pad coupling seat. The elastic connection piece has an upper end mounted to the lower support pad coupling seat of the upper support pad and a lower end mounted to the upper support pad coupling seat of the lower support pad, so that the lower support pad is provided with elasticity and movability by means of the elastic connection piece.

A vehicle seating assembly has a seat having a lower seat and a seatback extending upwardly from the lower seat. The seatback has a lower stationary seatback base portion having a seatback frame assembly, and an upper movable seatback hood module vertically adjustable relative the lower stationary portion. The upper movable seatback hood module has an upper seatback slide bracket, and a plurality of rail guides slidably engaging a rail. An electric motor drive unit engages a driven member to vertically adjust the upper movable seatback hood module relative the lower stationary portion when the electric motor drive unit is actuated.

An articulating chair and a method of using same, include at least one actuator, a programmable controller, and movable upper back, lower back and seat bottom sections. In another aspect, an articulating wheelchair and a method of using same, include a seat bottom section, a lower frame to which the seat bottom section is coupled, floor-contacting wheels rotatably coupled to the lower frame, an upper back section, a lower back section, a back frame to which the upper back section and the lower back section are movably coupled, electromagnetic actuators coupled to the back sections, a battery mounted to at least one of the frames, and a programmable controller connected to the actuators and the battery.

A lumbar support assembly for an office chair is presented herein. The lumbar support assembly includes at least one extension pad assembly which may be mounted to an existing lumbar support structure of an office chair. The extension pad assembly includes a base and a pad, wherein the base includes a recessed mounting structure disposed one side thereof. The recessed mounting structure is defined by a recessed surface at least partially surrounded by a retention wall, with the pad mounted to the opposite side of the base. One or more mounting clips extend from the retaining wall allowing the existing lumbar support structure to be snapped and engaged therein. With the extension pad assembly mounted in this manner, additional pressure and support can be added to the lumbar region of an individual seated in the chair.

A chair equipped with shoulder supporter is provided. The chair equipped with shoulder supporter can obtain an effect of attitude remedy by reducing the pressure applied to the spine and by inducing an upright attitude of erecting the waist vertically through a shoulder supporter which is connected to a hip supporter through a base. The shoulder supporter comprises an armpit supporter provided above a vertical supporter. The chair equipped with shoulder supporter can maximize convenience and enable the multi-purpose use by selecting the use and non-use of the arm supporter or the shoulder supporter with the direction change through up-down or forward-rearward direction rotation of the arm supporter or with the folding of the armpit supporter through a rotation shaft.