217 results about "Chair cushion" patented technology

A chair with a synchronous coordinating system for the chair back includes a base, a chair cushion and a chair back. The base and the chair cushion are connected fixedly or formed integrally, and the chair back is articulated with the base which is articulated with the chair back through an upright column extended above the chair cushion. The articulated point is located at the trochanter (the center point of the hip joint) of the human body. The chair cause the turning (pitched or inclined) pivot of the chair back and the human body on the same line by providing the articulated point of the chair back and the base at the trochanter of the human body in the pitching movement. No matter how the angle of the chair back is adjusted, the contact surface between the backside of the human body and the chair back will not be changed so that the chair back can provide sufficient supporting force to the waist at any angle and the person on the chair will not feel uncomfortable.

Polyurethane gel materials comprising finely divided Phase Change Materials (PCMs)-for example crystalline saturated hydrocarbons-facilitate heat regulation due to heat absorption and heat release in the phase transition range of the PCM, which improves comfort when using the gel material in items such as shoe soles, bicycle seats, chair cushions and the like.

A cushion for a chair includes a cushion body (20) having a mediate position provided with a convex waist support portion (21), an upper end provided with an inclined backrest support portion (22) and a lower end provided with a concave resting portion (24). Thus, the backrest support portion and the waist support portion of the cushion body are designed to fit the user's back and waist ergonomically so that the cushion body can support the user's back and waist smoothly and exactly. In addition, the upper buffering space (202) and the lower buffering space (201) of the cushion body provide a buffering effect to allow deformation of the cushion body so as to regulate the user's seating posture and to provide a comfortable sensation to the user.

Embodiments of the present invention broadly relate to a chair cushion adaptable for transport on a backpack and adaptable to industry-standard seating devices for safety and comfort. In one embodiment of the present invention, a portable chair cushion apparatus comprises a back support portion, having an outer casing surrounding a cushion material, and back support attachment means protruding from a rear surface thereof, a seat portion, having an outer casing surrounding a cushion material, and a backpack connection means protruding from a bottom surface thereof, and a connection strap attached to the rear surface of the back support portion on a first end, and attached to the bottom surface of a seat portion on a second end.

Embodiments of the present invention broadly relate to a chair cushion adaptable for transport on a backpack and adaptable to industry-standard seating devices for safety and comfort. In one embodiment of the present invention, a portable chair cushion apparatus comprises a back support portion, having an outer casing surrounding a cushion material, and back support attachment means protruding from a rear surface thereof, a seat portion, having an outer casing surrounding a cushion material, and a backpack connection means protruding from a bottom surface thereof, and a connection strap attached to the rear surface of the back support portion on a first end, and attached to the bottom surface of a seat portion on a second end.

An automatic ventilation device for chairs uses a movable plate that moves upwards and downwards along with a cushion. A reset spring is disposed on the movable plate. The upper side and lower side of movable plate each have a stretchable air bag. When the removable plate moves upwards and downwards, one air bag is extended while the other is compressed. The upper and lower air bags have one-way air inlets and outlets respectively while the air outlets are connected to the chair cushion and the chair back for blowing air to the chair cushion and chair back.

The invention discloses a multifunctional office chair, comprising a chair frame, a chair cushion, a chair back assembly, two armrests, a massaging assembly and a connecting assembly, wherein the two armrests are respectively and fixedly arranged on the left and right sides of the chair cushion. The multifunctional office chair is characterized in that the massaging assembly is arranged at the rear side of the chair back assembly and used for massaging the back of a human body; the connecting assembly comprises a fixed plate, a connecting frame, pull rods, torsional springs and a chair cushion guide rail assembly; the fixed plate is fixedly arranged on the chair frame; the connecting frame is fixedly arranged on the fixed plate and the chair cushion is fixedly arranged on the fixed plate through the chair cushion guide rail assembly; the chair back assembly is rotatably connected to the connecting frame; and the linkage of the chair cushion and the chair back assembly is realized through the pull rods. When the chair back assembly lies down, the chair cushion is driven by the pull rods to move far away from the chair back assembly on the chair cushion guide rail assembly. The torsional springs are arranged on the chair back assembly and the connecting assembly and used for returning the chair back assembly which lies down.

An elastic assembly of a chair cushion comprises a hollowed frame, a plate body located within the hollowed frame and a plurality of elastic connecting strips connected between the frame and the plate body. One end of each elastic connecting strip is connected to the plate body and another end of the elastic connecting strip is connected to the frame. The elastic connecting strip is folded as several folds. Each bending portion of each elastic connecting strip is formed as a cambered arc without any sharp angle. The frame, plate body and plurality of elastic connecting strips are integrally formed as an elastic assembly is then assembled to a chair.

The invention discloses an intelligent deck chair cushion for hypnosis and a method thereof for measuring heart rate and breathing waves. The cushion is characterized in that the cushion comprises a deck chair cushion body, massage modules, a piezoelectric film sensor, a stress gauge sensor, a hypnosis device, an automatic adjusting deck chair position device and a control module; and the control module is connected to the piezoelectric film sensor, the stress gauge sensor, the hypnosis device and the automatic adjusting deck chair position device. The intelligent deck chair cushion for hypnosis and the method thereof for measuring heart rate and breathing waves have the following beneficial effects: an alfa-wave generator is arranged above the intelligent deck chair cushion; by compressively analyzing heart rate and breath as well as stress distribution, alfa waves can be released in an intelligent manner for inducting a human brain to go in sync so that the hypnosis effect is promoted; in addition, by starting all motors of the massage modules in the intelligent manner, intelligent hypnosis is achieved; in addition, a filtering algorithm utilizes a wavelet neural network with an improved particle swarm PSO algorithm so that noise is well removed and an accurate electrocardiosignal is extracted.

The invention discloses a method for manufacturing articles for daily use and relates to the technical field of articles for daily use. The method comprises the following steps: by employing the daily article formula key technology, taking natural emulsion, potassium oleate, 341 latex and sulfur as basic raw materials, mixing and blowing air to make the pH value be 8-9, manufacturing a mixture, adding sodium silicofluoride and zinc oxide into a foaming chamber, pressing air, stirring and mixing to manufacture a foamed material to be injected into a daily article mold to manufacture a mold block, baking and manufacturing a daily article block, performing mold stripping, washing, extruding, centrifuging, drying and dehumidifying, manufacturing a daily article semi-finished product and packaging in a cover for performing external packing, and manufacturing the daily article finished product. The method is used for manufacturing pillows, mattresses, sofa cushions, chair cushions, backrests, automobile cushions, automobile neck-pillows and the like. The product is simple in process, high in quality and low in cost and contributes to popularization.

A foam chair cushion having transverse support ribs is provided for reduction of shear stress between a person's skin and the surface of the chair cushion. The chair cushion may include transverse, lateral support ribs upon the support surface of the cushion. The support ribs have a predetermined cross-sectional geometry that is curvilinear, with a superior aspect generally disposed for receipt of a person and a inferior aspect opposite. The inferior aspect of the cross-section of the support ribs may undercut the portion of the support ribs vertically above it. Having such cross-sectional geometry, the support ribs are directionally oriented, either toward the one end or the other of the chair cushion. The chair cushion may include support ribs that are directionally oriented toward the foot of the chair in regions adapted for the person's upper torso, buttocks, and lower legs, and directionally oriented toward the head of the chair in a region adapted for the person's thighs. The chair cushion may also include longitudinal cuts in the support surface, perpendicular to the transverse support ribs, thereby defining independent support cells upon the support surface.

The invention relates to an automatic positioning system and method for a human acupoint image, and belongs to the medical apparatus and instruments. According to the system and method, positions of acupuncture points on a body of a user based on the human acupoint are manually marked firstly; the user with the acupuncture points marked sits on a measuring chair; at least one mark corresponding to the positions of the acupuncture points on the body of the user is adhered on the back of the measuring chair; and then the user leaves the measuring chair; an image retrieving device is adopted to shoot the marks on the measuring chair and convert the marks into pictures and transmit same to a processing device; the processing device is used for implementing pattern recognition and calculating relevant coordinates of the centre points of a contour line between each mark and the plane of a chair cushion, and transmitting the coordinates of all acupuncture points to a controller for an automatic positioning device; and the controller moves massaging subassembly of the automatic positioning device to perform acupoint treatment based on a sequence set on the coordinate. According to the system and method, the same technology of the automatic image positioning system under IC (Integrated Circuit) packaging is adopted, therefore, the general public can receive correct massage stimulating to acupuncture points at home just like being assisted by a doctor of traditional Chinese medicine.

Cushioning constructions for mattresses or chair cushions are given comfort features for severely immobilized patients. Otherwise, the problem is that, sit or lie still long enough and awful sores may develop. The cushioning constructions hereof are formed of plural or multiple layers of resilient materials of dissimilar softness / firmness and, moreover, these layers are partitioned into multiple zones across the layers of likewise dissimilar softness / firmness. Such features include soft sinking spots for the pelvic area in mattresses or for the counterpart ischium support zone in seat cushions. In distinction, firm and soft juxtapositions are provided for the upper thigh region in mattresses or in the counterpart femoral support zone in seat cushions. Conversely, firm lateral rails for mattresses or counterpart lateral wings for cushions of chair backs are provided where the concern is with Huntingdon's disease patients, who are largely immobile but periodically convulse at times.

A protection air bag type lifting chair comprises a chair cushion, a pressing rod, a support, a support steel plate, a screw rod, an inner steel pipe and an outer steel pipe, a pivot of the pressing rod is fixed to the side wall of the support, the bottom of the inner steel pipe is fixed to the outer steel pipe through a plug and a sealing ring on the top of the outer steel pipe, the screw rod capable of freely moving is arranged in the inner steel pipe, the end, in the support, of the pressing rod is connected with the top end of the screw rod, an elastic buffering layer is arranged in the support, the edge of the elastic buffering layer is embedded in the inner wall of the support, a protection air bag is arranged on the top of the screw rod, the edge of the protection air bag is fixed between the support and the inner steel pipe, when an explosion happens in the lifting the chair, a user can be effectively prevented from being hurt by the explosion due to inappropriate using of the lifting chair through the protection air bag installed on the screw rod and the elastic buffering layer arranged at the upper portion of the protection air bag part, and the personal safety of the user is guaranteed.

The invention relates to a computer chair associated with a chair, a computer desk and a flat-panel display bracket. The computer chair is characterized in that a headrest, a backrest, armrests, a chair cushion, chair legs and foot pads of the headrest can be adjusted according to requirements of human engineering, a keyboard supporting plate and a mouse supporting plate are designed on the chair and can move with a human body, the computer desk is provided with rolling wheels, and height and angles of a display and the distance between the display and the human body can be adjusted in a certain range by means of a moveable supporting rod, a telescopic suspension arm and a rotation shaft of the flat-panel display bracket. The chair, the table desk and the flat-panel display bracket are matched for use, so that the problem that computer tables and chairs, users and computers are difficult to coordinate is solved; and the chair is a multipurpose product integrated with an office chair, a computer chair and a leisure chair and can meet requirements of work, internet surfing, entertainment, relaxation and the like.

A chair with a synchronous coordinating system for the chair back includes a base, a chair cushion and a chair back. The base and the chair cushion are connected fixedly or formed integrally, and the chair back is articulated with the base which is articulated with the chair back through an upright column extended above the chair cushion. The articulated point is located at the trochanter (the centre point of the hip joint) of the human body. The chair cause the turning (pitched or inclined) pivot of the chair back and the human body on the same line by providing the articulated point of the chair back and the base at the trochanter of the human body in the pitching movement. No matter how the angle of the chair back is adjusted, the contact surface between the backside of the human body and the chair back will not be changed so that the chair back can provide sufficient supporting force to the waist at any angle and the person on the chair will not feel uncomfortable.

The invention relates to a passenger limit system of automobile safe device, which is characterized in that: two sides of chair cushion are independently mounted with two pins, while the front pin is at front middle of cushion and the back pin is at the back pin of cushion; two pins are supported in front and back guide rails; the front guide rail of front pin has a spring; the front end of front pin via said spring is supported at the back end of front guide rail; the back pin is supported at the back end of back guide rail; the front guide rail is inclined forwards; the back guide rail is downwards; when vehicle has accidence, the passenger can drive the cushion to overcome the function of spring via inertia moment, and make the front pin forwards up and back pin forwards down, to increase the angle between the cushion and the ground of driving room, to reduce the hurt on passenger.

The invention discloses an intelligent, healthy and liftable office table and chair system. The intelligent, healthy and liftable office table and chair system comprises a table top and a chair cushion, wherein the bottom of the table top is supported by table legs, an electric push rod is mounted in each table leg, the electric push rods are in threaded fixation to four corners of the bottom surface of the table top, an electric push rod control box is mounted at the lower side of the table top, a signal receiver is mounted in the electric push rod control box, an electric push rod control panel connected with an external power supply is mounted at the edge of the bottom surface of the table top, a gravity sensing device, an optical fiber sensor, a control cabinet and a vibrator are mounted in the chair cushion, a wireless signal generator and a lithium battery are mounted in the control cabinet, and a control panel is mounted on the side surface of the chair cushion. With the intelligent, healthy and liftable office table and chair system, the work efficiency can be improved, the occurrence of the office occupational diseases is reduced, the pain caused by the diseases is alleviated, the body health of people is guaranteed, and finally, the medical cost of the society and the country is reduced.

The invention relates to a full-automatic stair-climbing wheelchair scooter which is provided with a frame. The two sides of the frame are respectively provided with a hand pushing type chair wheel, the front end below the frame is provided with two universal wheels corresponding to the hand pushing type chair wheels respectively, a chair seat is arranged in the middle of the frame, a chair cushion is arranged on the chair seat, the front end of the frame is provided with a pedal, a crawler-type stair-climbing device is arranged on the frame, the power driving portion of the crawler-type stair-climbing device is provided with crawlers, crawler tension wheels, crawler driving wheels and a crawler driving motor, one end of the crawler-type stair-climbing device is in control connection with the frame through a crawler winding-unwinding driven arm, a crawler winding-unwinding driving arm and a winding-unwinding motor, and the other end of the crawler-type stair-climbing device is in hinge connection with the frame through a crawler movable bearing arm. A tilting-backward preventing arched bearing arm with a bearing wheel is connected with the middles of the two crawlers. The universal wheels with drive are combined with rudder jaw teeth. The full-automatic stair-climbing wheelchair scooter is applicable to elderly people living alone and physically-challenged people who climb stairs alone and move for a long distance outdoors, and has the advantages of being reasonable in structure, scientific in design, stable in running, convenient to operate, low in center of gravity, safe, reliable and the like.

The invention discloses a long-time sitting dozing reminder for old people. A plurality of voltage controlled switches are arranged inside a chair cushion, and a plurality of iron sheets are evenly distributed in a lap belt in the length direction. An electromagnet is arranged at the position, close to the waist of old people, inside a chair backrest, and a pulse sensor is worn on the wrist of old people. A movable writing board is provided with an eye closing monitoring module and a flashlight, and a vibrator and a heating resistor are arranged below the voltage controlled switches. The voltage controlled switches are triggered, a single chip microcomputer starts timing, when signal sustained input time exceeds a set time, a buzzer module gives out a reminding sound, the electromagnet is powered up, and the lap belt and the electromagnet are attracted to enable old people to be constrained on the chair backrest; after 30 seconds, if old people still do not leave a chair, the vibrator can vibrate; after another 30 seconds, if old people still do not stand up, the heating resistor and the flashlight are powered up at the same time, and when old people doze, the eye closing monitoring module is triggered to input signals to the single chip microcomputer. By means of the long-time sitting dozing reminder for old people, whether old people sit for a long time or doze can be judged, the reminding modes are diversified, and the purpose for protecting old people is achieved.

The invention relates to a method for preparing soft high-resilience polyurethane foam, the soft high-resilience polyurethane foam prepared by the method and use of the foam in the aspect of automobile chair cushions / back cushions. The soft high-resilience polyurethane foam is prepared from a reaction system comprising ingredients such as isocyanate, polyol, at least one amino terminated long-chain chain extender, a foamer and a catalyst. A polyurethane reaction system of the foam is high in aging speed and short in demolding time, and the obtained foam is good in elasticity and high in degreeof comfort and also has satisfactory low odor.

A chair pad or a roll up mat that can be manufactured from medium density fiberboard with a laminate surface decorative layer applied thereon. The laminate is treated with various protective coatings, to add resistance to natural deleterious factors including water and dirt. The chair mat includes a series of planks, held together by tape, with an under layer of a mesh, all applied by resin together, and having a bottom layer of a felt or rubber to provide cushioning when the mat is applied upon a floor or surface, and to function as a living hinge, when it is rolled up or folded for storage or shipment.

The present application relates to a seat cushion made of a foam cushion enclosed in fabric. The foam cushion is inserted into the fabric through an opening defined through the fabric and placed on top of a chair's seat. The fabric also contains integral opposing pockets where personal articles and items can be held. The pockets lie to the left and right side of the seat and the back panel lies to the back of the seat once the cushion is secured to the chair. The fabric contains ties that secure the cushion to the back legs of the chair. The integral back panel can be a pocket on the seat slip cover. The seat slip cover can cover the entire length of the back spine of a chair, the entire length of the back legs of a chair or the entire length of all the legs of a chair.

The invention relates to a multifunctional chair. The chair comprises a chair back and a chair cushion; an armrest at one end of the chair cushion is connected with a movable back through a telescoping rod, one surface of the movable back is a soft backrest having a massaging function, the other surface of the movable back is a hard smooth desktop, the other end of the chair cushion is connected with a folding stool through a movable hinge, and the out side of the folding stool is connected with legs of the folding stool through a movable hinge. According to the invention, the movable back can be moved back and forth through the telescoping rod, when moved back, the movable back functions as a backrest and enables people to feel comfortable, and when moved forth, the movable back can be used as a temporary desk which is provided with a cup groove and a pen groove to prevent a pen from falling; when the folding stool is unfolded through the movable hinge and the legs of the folding stool are unfolded through the movable hinge and made to be perpendicular to the folding stool and to be supported by the ground, a double chair is formed; the folding stool can be folded and arranged below the chair when not used, thereby saving space. The multifunctional chair can be used in a classroom to facilitate the learning of students and can also be used in an office or a meeting room in a company so as to improve work efficiency.

An inflated air cushion used as both mattress and chair cushion with durable buffer performance and high shape stability is composed of a pair of top and bottom walls, a pair of side walls linked between said top and bottom walls, and at least two I-shaped beams connected between said top and bottom walls.

An automatic leisure rocking chair belongs to the technical field of articles for daily life and comprises a support, a seat frame, a motor and a motor controller. The motor and the motor controller are placed on the support. The automatic leisure rocking chair is characterized in that a lead screw and the motor are connected mutually via a belt pulley and realize linkage, two arc-shaped slide rods which are parallel mutually are respectively arranged on the left side and the right side of the seat frame, the front and the rear of the left side of the support are respectively fixedly provided with a pair of left guide wheels for guiding the left slide rod to slide front and back, the front and the rear of the right side of the support are respectively fixedly provided with a pair of right guide wheels for guiding the right slide rod to slide front and back, a traction block is connected with the lead screw in a threaded manner and moves front and back along with rotation of the lead screw, a traction frame is zigzag, one end of the traction frame is fixedly connected with the traction block, and the other end of the traction frame is fixedly connected with the seat frame. During usage of the leisure rocking chair, rotation speed and positive and negative rotation change frequency of the motor can be adjusted according to the subjective will of a user, so that front and back reciprocating swinging frequency and swing amplitude of a chair cushion are controllable, and the user can feel comfortable.

The invention discloses an arm type armchair. The arm type armchair is a transferring chair. The arm type armchair is mainly composed of a chair body portion and an arm portion. The chair body portion is composed of a pedal lever, pushing hands, a lifting column, a foot frame, a horizontal block, chair cushions, baffle railings, a front frame and a rear frame. A backrest and a footrest are symmetrically hinged to the two ends of a seat frame. The arm portion is composed of a horizontal slide way, a supporting plate, a lifting device and a pushing device, and the arm portion is installed on the rear frame. The lifting device is composed of a vertical slide rack, a vertical slide block, a horizontal slide way, a motor, a screw rod, a nut support and a support. The pushing device is composed of a horizontal slide way, a clamping plate, a supporting plate, pulling cloth, an upper drum, a lower drum, a guiding cylinder, a reel, a guiding wheel, a pull rope and a motor. The chair cushions are installed on the two sides of the horizontal slide way. In the process of transferring a patient, the upper drum, the lower drum and the reel cooperate with one another, and when the supporting plate is inserted under a human body, the pulling cloth under the supporting plate can bypass the front end of the supporting plate synchronously to be paved on the supporting plate. When the pulling cloth on and under the supporting plate are pulled synchronously, the supporting plate is withdrawn, and no friction is generated on the human body. The human body can be transferred between the armchair and a bed.