Functional chair for posture correction and lumbar traction

A functional chair for posture correction and lumbar traction, the functional chair comprising:

• a seat plate having legs connected to a lower portion thereof, wherein the seat plate supports buttocks of a user when the user sits on the functional chair;
• a backrest plate support rotatably provided at a rear end of the seat plate;
• a backrest plate disposed in front of the backrest plate support and formed to have a curved surface, wherein the backrest plate is configured to be rotatable around a horizontal axis thereof, thereby enabling the user to maintain a state of sitting or lying down on the functional chair, and wherein the backrest plate has a headrest provided at an upper end thereof;
• and
• a traction driving device configured to enable the backrest plate to be moved in a movement direction of the backrest plate support,
• wherein the traction driving device comprises:
• a driving part detachably provided on one of armrests respectively provided on opposite sides of the seat plate, wherein the driving part is manually operated leftwards and rightwards so as to move the backrest plate upwards and downwards or automatically provides driving force by an automatic motor and an operating switch;
• a driving shaft rotatably supported by upper and lower portions of a back surface of the backrest plate support, wherein the driving shaft has a connection joint spirally coupled thereto and configured to move the backrest plate upwards and downwards according to a rotation direction of the driving shaft;
• and
• a flexible shaft configured to connect the driving part to the driving shaft.

A functional chair for posture correction and lumbar traction, the functional chair comprising:

• a seat plate having legs connected to a lower portion thereof, wherein the seat plate supports buttocks of a user when the user sits on the functional chair;
• a backrest plate support rotatably provided at a rear end of the seat plate;
• a backrest plate disposed in front of the backrest plate support and formed to have a curved surface, wherein the backrest plate is configured to be rotatable around a horizontal axis thereof, thereby enabling the user to maintain a state of sitting or lying down on the functional chair, and wherein the backrest plate has a headrest provided at an upper end thereof;
• and
• a traction driving device configured to enable the backrest plate to be moved in a movement direction of the backrest plate support,
• wherein the backrest plate is rotated to perform, when the user lies down on the functional chair, the lumbar traction of the user by the traction driving device, the backrest plate support has a safety support unfolded from a rear surface thereof and supported on a ground, and a tension measurement sensor is attached between the seat plate and the backrest plate so as to gradually control tension therebetween.

A functional chair for posture correction and lumbar traction, the functional chair comprising:

• a seat plate having legs connected to a lower portion thereof, wherein the seat plate supports buttocks of a user when the user sits on the functional chair;
• a backrest plate support rotatably provided at a rear end of the seat plate;
• a backrest plate disposed in front of the backrest plate support and formed to have a curved surface, wherein the backrest plate is configured to be rotatable around a horizontal axis thereof, thereby enabling the user to maintain a state of sitting or lying down on the functional chair, and wherein the backrest plate has a headrest provided at an upper end thereof;
• and
• a traction driving device configured to enable the backrest plate to be moved in a movement direction of the backrest plate support,
• wherein the seat plate comprises a fixed seat plate and a cushion seat plate slidably movable on an upper side of the fixed seat plate, and
• wherein a tension belt is connected to a rear end of the cushion seat plate and a lower end of the backrest plate adjacent to the cushion seat plate, thereby enabling the cushion seat plate to be moved in conjunction with movement of the backrest plate.