A human support structure has: at least one support against which at least one part of a human body is borne; a base; a first motion transmitting assembly having first and second link members joined to each other and two components for pivoting movement around separate axes and defining a first unit; and a second motion transmitting assembly having third and fourth link members and two components joined together for pivoting movement around separate axes and defining a second unit. The first and second motion transmitting assemblies guide relative movement between the at least one support and the base. The first and second units can be selectively repositioned to change how relative movement between the at least one support and base is guided.

An electric rocking chair comprises a chair installed on a support base having a trapezoidal form with the two inclined faces disposed at the front and at the rear sides of the chair, the side's faces supporting the chair. The chair is electrically moved front to back by means of displacement, such as wheels, attached to the front and to the rear under the chair and intended to roll along both inclined faces on a see saw movement operated by means of an electric actuator disposal. The rocking of the chair is performed in two movements, when front wheels are going down along the front inclined face, rear wheels are going up along the rear inclined face, thus inclining the chair forward and the opposite movement inclines the chair backward. Means of maintaining the wheels during the rolling movement can be used, such as a metallic frame.

The invention relates to a seating assembly (100) comprising a basic frame (101), a seat unit (102), and a back-support unit (103) wherein the seat unit and the back-support unit have a common pivoting axis (P) with respect to the frame at the level of the hip joint. Hence, based on human body like biomechanics and physiognomy, the seating assembly, particularly for ergonomic chairs or wheelchairs, provides a highly improved seating comfort, even with therapeutic effect.

A reciprocating rocking device for the rocking of a chair or cradle, the chair or cradle having rockers and a seat member, the reciprocating rocking device comprising a base secured to the rockers, the base comprising a first bracket, a second bracket secured to the seat member of the chair or cradle, a tension member connected to the second bracket, an eccentric, the eccentric constantly engaged with the second bracket and, a motor secured to the first bracket, the motor having a drive shaft operatively arranged to drive the eccentric, wherein the motor is coaxially arranged with the eccentric.

A rocking device includes: a seat which supports a body of a user; a motor which rotates a rotation shaft in a first rotation direction and in a second rotation direction that is a rotation direction opposite to the first rotation direction, and thereby supplies motive power for rocking the seat via a gear attached to the rotation shaft; and a controller which controls rocking of the seat via the motor. The seat is configured to make a first motion of moving in a first movement direction, in accordance with rotation of the rotation shaft in the first rotation direction, and make a second motion of moving in a second movement direction, in accordance with rotation of the rotation shaft in the second rotation direction. The controller is configured to control rocking of the seat such that a prescribed stopped period is provided between the first motion and second motion.

A mechanical extension device of a swinging seat is provided, which includes a base, a first swinging rod, a second swinging rod, an actuator and two mechanical extension units, where the base is connected to the first swinging rod and the second swinging rod in a rotating way; the actuator is arranged between the two mechanical extension units; a locking device is arranged on a second connecting rod connected to the second swinging rod in the mechanical extension unit in a rotating mode, a guide groove and a locking groove formed in the guide groove are formed in the base, the guide groove is opened towards one side, the locking device can enter the guide groove from the opened position of the guide groove, and when the locking device swings and moves the mechanical extension unit, the locking device can enter the locking groove and swing relative to the base.

A rocking chair for children includes a seat, a supporting frame, and a seat restricting mechanism, the supporting frame includes a base and a driving mechanism, and the driving mechanism includes a driving motor, a power-output part of the driving motor, a rotating shaft, and a mounting box; the seat restricting mechanism enabling an angle between the seat and the rotating shaft to be maintained at a preset angle, when the driving motor drives the rotating shaft to rotate reciprocatively. The purpose of the present invention is to provide a rocking chair for children, the seat being able to swing and not rotating relative to the rotating shaft, the swinging amplitude of the seat being greater, a plurality of swinging amplitude being able to be selected, and the rocking chair being at a low cost.

An embodiment relates to an immersive couch, and more particularly to an immersive couch configured to be movable in three degrees of freedom using a concise and simple mechanism for moving an inflatable body, thereby not only improving convenience in use, safety, handling, storability, and maintainability, but also reducing manufacturing costs, operating costs, and maintenance costs. The immersive couch includes: a couch body formed as an inflatable body; a holding unit installed on the couch body; an actuation connecting member including one end connected to the holding unit; a rotary body connected to wind and unwind the actuation connecting member; a rotary body actuator rotating the rotary body forwards and backwards; and a controller controlling operations of the rotary body actuator.

An electric swing is provided, which includes support frames, wherein fixing brackets are arranged at top ends of the support frames, a transmission shaft is arranged at ends of the fixing brackets in a sleeved manner, a power device is arranged at one end of the transmission shaft, fixing plates are arranged on the transmission shaft, and fixing assemblies are arranged on the fixing plates; each fixing assembly specifically comprises a rope, a fixing disc and two rope anchoring pins, wherein a T-bar is arranged on the fixing disc, the two rope anchoring pins are arranged symmetrically, the rope anchoring pins are located below the fixing plate and form a triangle together with the fixing disc, the rope is mounted on the fixing disc and located between the rope anchoring pins, and circular rings are fixedly arranged at two ends of a lower side of the T-bar.

This invention provides a seat control device with which a passenger can attain a desired sleep induction effect both while a moving body is traveling and while the moving body is stopped. The seat control device includes a rocking device, a determination section, and a control section. If the determination section determines that the moving body is stopped (S3: YES), the control section controls the rocking device so that a rocking speed is set at a first speed. If the determination section determines that the moving body is not stopped (S3: NO), the control section controls the rocking device so that the rocking speed is set at a second speed, which is higher than the first speed.