61 results about "Back rests" patented technology

A new and improved powered chair, love seat, or sofa comprises back rest mounting brackets, seat plates, primary footrest mounting brackets, secondary footrest mounting brackets, link members pivotally interconnecting the pair of primary footrest mounting brackets to the pair of secondary footrest mounting brackets, linkage members operatively connected to the seat plates and the primary footrest mounting brackets, and an actuator operatively connected to the linkage members such that when the actuator is actuated, the linkage members will move the primary footrest mounting brackets which will, in turn, move the link members so as to move the secondary footrest mounting brackets.

A seat assembly for a vehicle includes a back rest part having a primary back rest surface being configured to support a back of an adult sitting and a sitting module. The sitting module includes a first part and a second part, wherein the first part carries a primary functional surface and a secondary back rest surface being configured to support a back of a child. The sitting module includes a pivoting mechanism and a sliding mechanism. The pivoting mechanism is kinematically interposed between the first part and the second part and the sliding mechanism is kinematically interposed between the first part and the back rest part such that the seat assembly may selectively assume a primary state in which the primary functional surface is operational or a secondary state in which the seat assembly is configured to receive a child.

An exercise machine comprises a back rest 13 for supporting a person and a carrier 40 for receiving one or more weighted articles. The carrier 40 is moveable relative to the back rest 13 both vertical

An integrated patient lift and transfer system comprising a bed plate, a mover base, and a lift. The bed plate is placeable on a bed and including a seat rest and a back rest pivotably attached to the seat rest. The bed plate is configurable to a planar configuration where the back rest and seat rest are co-planar and to a seated configuration where the back rest and seat rest are not co-planar. The mover base including one or more wheels and configured to removably attach to the bed plate. The lift including one or more transfer arms and one or more tilt arms. The one or more transfer arms and one or more tilt arms configured to removably attach to the bed plate and tilt the bed plate from the planar configuration to the seated configuration and to transfer the bed plate from the bed to the mover base.

The utility model relates to the technical field of medical instruments, and discloses a child double-lung upper leaf body position drainage pillow which comprises a back cushion and a head cushion, the head cushion is located above the back cushion, a mounting plate is fixedly arranged on one side of the back cushion, a fixing plate is fixedly arranged on one side of the head cushion, and the fixing plate is fixedly connected with the mounting plate. Symmetrically-arranged mounting rods are fixedly mounted on the mounting plate, adjusting rods are slidably arranged on the mounting rods, and the top ends of the adjusting rods are fixedly connected to the outer wall of the bottom of the fixing plate. The connecting rod drives the adjusting rod to move vertically, so that the adjusting rod drives the fixing plate to move vertically, the fixing plate drives the head cushion to move vertically, the height of the head cushion is adjusted, the distance between the head cushion and the back cushion is adjusted, and individual difference requirements of different children are met conveniently; the discomfort of children in the drainage process is reduced, the intention of cooperative treatment is increased, and long-time cooperative body position drainage treatment is facilitated.

The utility model discloses a sizing machine shaft returning device which comprises a radial shaft frame and a guide frame which are arranged side by side, two sets of radial shaft supporting seats are symmetrically and fixedly arranged on the radial shaft frame, and a lower radial shaft and an upper radial shaft are sequentially arranged between the lower portions and the upper portions of every two opposite radial shaft supporting seats. Two vertical first mounting plates are symmetrically and fixedly arranged at one end of the guide frame, first winding and unwinding guide rollers are rotationally arranged on the two sides of the two first mounting plates correspondingly, and the distance between the two first winding and unwinding guide rollers can be adjusted; and two vertical second mounting plates are symmetrically and fixedly arranged at the other end of the guide frame, and a second winding and unwinding guide roller is rotationally arranged between the upper portions of the two second mounting plates. According to the utility model, the winding and unwinding tension can be conveniently adjusted when the yarn retreats, the situation that the yarn is broken when the tension is too large or the yarn is loosened when the tension is too small is avoided, and the effective development of the slashing retreating work is ensured.

The utility model discloses a combined concave swing seat frame mechanism based on a slide rail, which comprises a base, a chair seat and a first electric push rod, the chair seat comprises a sitting and leaning frame and a backrest frame, a sliding frame is arranged on the base, at least two first hinge shafts are arranged on the left side and the right side of the sliding frame, and the first electric push rod is arranged on the first hinge shafts. A swing arm capable of swinging relative to the sliding frame is arranged on each first hinge shaft, the bottom of each swing arm is hinged to the sitting and leaning frame, the sitting and leaning frame is hung on the sliding frame through the swing arms, a swing arm driving assembly is further arranged on the sliding frame, the first electric push rod is hinged to the base, and the output end of the first electric push rod acts on the sliding frame. On the basis of the existing back-and-forth sliding and back rising and falling functions, the electric swing function technology is upgraded and added, the product configuration function is improved, more consumption requirements are met, the foot bath tub is suitable for more types of foot bath tubs and use places, swing in the mode is more stable, the action gives people a hypnotic feeling, people are promoted to have a rest and relax, and the user experience is improved. And anxiety and nervousness can be relieved.

A seat system includes a base support structure having at least one flat seat support surface, a seat pan support structure movably coupled to the base support structure and having at least one contoured seat support surface, and a back rest support structure movably coupled to the base support structure. The back rest support structure includes a primary frame having at least one flat back support surface, and an articulating frame movably coupled to the primary frame and having at least one contoured back support surface. The seat system also includes a back rest cushion having an occupant-facing back rest surface, and an articulating arrangement of back rest cushion support members movably coupled together to define a bottom surface of the back rest cushion opposing the occupant-facing back rest surface.

The present utility model relates to the field of fitness equipment, and specifically relates to a leg press, comprising a support frame, a seat, and a resistance member. The support frame comprises an obliquely arranged main support rod and a secondary support rod obliquely braced below the main support rod, and the bottoms of the main support rod and the secondary support rod are each provided with a transversely arranged bottom rod. The seat comprises a cushion fixedly arranged on the main support rod and a back rest of which the angle relative to the cushion can be adjusted. The resistance member comprises a lever support. The middle of the lever support is hinged at a top end of the main support rod, a top end of the lever support is provided with a footplate arranged facing the seat, and a bottom end of the lever support is provided with a weight plate placement rod. The present utility model has the advantages of a simple structure and being convenient to move. In addition, the leg press of the present utility model can be used for multiple purposes; leg press training can be carried out, seated and lying flat warm-ups can be performed, and combined use with other single-function devices can be achieved. For example, a user can lay flat on the seat in coordination with dumbbells for bench press training.

An integrated patient lift and transfer system comprising a bed plate, a mover base, and a lift. The bed plate is placeable on a bed and including a seat rest and a back rest pivotably attached to the seat rest. The bed plate is configurable to a planar configuration where the back rest and seat rest are co-planar and to a seated configuration where the back rest and seat rest are not co-planar. The mover base including one or more wheels and configured to removably attach to the bed plate. The lift including one or more transfer arms and one or more tilt arms. The one or more transfer arms and one or more tilt arms configured to removably attach to the bed plate and tilt the bed plate from the planar configuration to the seated configuration and to transfer the bed plate from the bed to the mover base.

An infant car seat 1000 has a body and a pivotal back rest portion 1300 for supporting an infants back or head, transformable between an upright seated configuration and a lowered recumbent configuration (fig 4). A flexible plastic central portion 1400 supporting a middle part of an infant transforms between a curved seated shape and a flat recumbent shape. The seat can be used both on a car seat or on a buggy / stroller / pram chassis. A footrest (1700, fig 7) can move independently of back rest portion 1300. The back rest portion 1300 is slidably connected to the central support 1400.

The application discloses a detection system and method for a rear beam mechanism of an air jet loom, relates to the technical field of detection systems, and optimizes a hierarchical progressive fine-tuning of a key judgment subset one by one, dynamically adjusts the displacement and stress correction step of a measuring point according to a convergence control factor in each iteration, detects residual deviation after fine-tuning, extracts the shape change vector of a dynamic connection of the rear beam before and after fine-tuning, constructs a feature vector of a local structure invariant, captures a residual stress abnormal mode, induces a deviation mode based on the feature vector and calculates a stress correction amount, superimposes the stress correction amount on the fine-tuning result, generates an optimized rear beam state model, and generates an optimization strategy for the rear beam mechanism of the air jet loom based on the rear beam state model. The detection method effectively improves the operation stability and structural adaptability of the rear beam mechanism and reduces the risk of failure caused by attitude instability or stress concentration.

A system and method for identifying the presence of an occupant in a vehicle. The system includes a first sensor positioned within a seating area of a seat and having a corresponding sensitive zone passing through the seating area vertically, and a second sensor positioned within a back rest area of the seat and having a corresponding sensitive zone passing through a chest area of an occupant horizontally. The first sensor is adapted to sense coarse movements adjacent to and farther from the sensor while the second sensor is adapted to capture both coarse and finer movements, such as breathing and heartbeats.

An adaptable furniture system including a bench, the bench including a bench seat having a sitting surface, an extension surface, and a plurality of side walls, wherein the extension surface is configured to be displaced away from the sitting surface to form a sleeping surface, a plurality of support legs rotatably coupled to the side walls; and a support coupled to the plurality of support legs, wherein the support and support legs are configured to rotate with respect to the bench seat between a first configuration and a second configuration, wherein the support comprises at least one of a back rest or headboard in the first configuration and the support comprises a table in the second configuration.

The invention relates to the technical field of electric sofas, and discloses a mechanical stretching device of a movable electric sofa, which comprises a bearing bottom plate, side plates are fixedly connected to the upper surfaces of the two ends of the bottom plate, a sofa seat plate is fixedly connected between the close side surfaces of the two side plates, and a leg supporting mechanism is mounted on the lower surface of the sofa seat plate. An arc-shaped groove is formed in the rear side face of the sofa seat plate, a first motor is fixedly connected to the inner wall of one side of the arc-shaped groove, a first rotating rod is fixedly connected to the output end of the first motor, a backrest plate is fixedly connected to the outer surface of the first rotating rod, a bottom groove is formed in the inner bottom face of the bottom plate, and a lifting mechanism is installed on the inner wall of the top end of the bottom groove; a storage groove is formed in the bottom plate at the upper end of the bottom groove, T-shaped grooves are formed in the opposite inner side walls of the storage groove, and a first supporting mechanism and a second supporting mechanism are installed in the T-shaped grooves. Through the matching of the structure, the comfort and the stability of the electric sofa in use can be improved.

The utility model relates to the technical field of household chairs, in particular to an iron chair quick connecting structure convenient to disassemble and assemble. Comprising a chair back leaning frame, a chair seat frame and a chair leg frame, the chair back leaning frame and the chair seat frame are connected with the chair leg frame in an inserted mode, a first plug is welded to the side edge of the chair seat frame, a second plug is welded to the side edge of the chair back leaning frame, and a second plug bush is welded to the position, horizontal to the chair back leaning frame, of the front face of the chair leg frame. According to the structure, the chair seat can be disassembled and spliced respectively, so that the carrying and mounting efficiency is improved, the transportation cost is reduced, and the transportation volume is effectively reduced. The disassembly and assembly mode is simple and convenient, labor can be saved, meanwhile, acting force generated when a user sits is effectively dispersed, and stability is improved.

an ergonomic chair that can correct and support the sitting posture of the user The ergonomic chair prevents or reduces some critical health problems related to thoracic spine, lumbar spine, coccyx pain, varicose veins, prolonged hip flexion, compression of vascular structures and nerves beneath the iliopsoas muscle, tightness in the piriformis muscle, Prostatomegaly, impaired abdominal function. The present ergonomic chair provides a head support, anterior neck support, a chin support, thoracic support valves, lumbar support, abdominal support, and hip support. Further the present ergonomic chair can be adjusted in height and support bending of the back rest with help of a hinge component that functions as seat tilt adjuster.

To provide an occupant crash protection device capable of being easily assembled to a seat and accurately protecting an occupant.SOLUTION: The occupant protection device S1 includes two airbags 12L and 12R which are folded and stored on the left end side and the right end side of the back rest part 4 in the seat 1 and are inflated so as to be able to protect the left and right shoulder parts MSL and MSR of the occupant MP, respectively, and regulating members 15L and 15R which are formed of a flexible long body, are stored in a region from the back rest part 4 to the seat part 6, protrude from the seat with the inflation of each airbag, and can press the front surface side of each airbag when the inflation is completed. The regulation member has front side parts 16L, 16R stored in the seat part and rear side parts 17L, 17R stored in the back rest part, which are formed separately from each other, and connects corresponding end parts of the front side parts and the rear side parts to each other.SELECTED DRAWING: Figure 4

A convertible furniture arrangement includes a pair of arm assemblies secured to a back frame, a support frame, a seat member movable between a first position where the seat member is configured to support a seated user thereon and a second position where the seat member is configured to support the user in a prone position, a link member coupled to the support frame and the seat member and positioned vertically below the seat member when the seat member is in the first position and is configured to support the user that is in the prone position when the seat member is in the second position, a support surface movable between a back rest position and a table position when the seat member is in the first position, and a pair of L-shaped connection members that support the support surface between the back rest position and the table position.

A rehabilitation apparatus for stretching and strengthening a body of a user includes a chair including a seat and a back rest support a body of a user in a seated position. A pair of leg members extend forwardly from the seat to receive the legs of the user. Each leg member is upwardly and downwardly pivotable relative to the chair wherein each leg member of the pair of leg members is designed to facilitate the user in exercising a respective leg. A pair of arm members extend outwardly from the back rest to receive the arms of the user. Each arm member is forwardly and backwardly pivotable relative to the chair wherein each arm member is designed to facilitate the user in exercising a respective arm.

The utility model discloses a bath stool with turnover check ring, including stool body and check ring, the stool body includes the sitting part, the front check part and the back rest part, the front check part protrudes in the front side middle part of sitting part, and the back rest part sets up the back side of sitting part, the front side of check ring is hinged in the front check part, and can overturn to the stool body front and back, the back side of check ring has the first rest surface, and the back side of back rest part has the second rest surface, the first rest surface of check ring rests on the second rest surface of back rest part to make check ring be in horizontal posture, and the back side between check ring and back rest part is equipped with locking assembly, and locking assembly can lock check ring with back rest part to make check ring fixed in horizontal posture, and its advantage lies in, check ring 360 degrees encircles the trunk of baby, and gives the all -round blocking support protection of the baby of sitting posture, is not easy to cause locking assembly to separate, and the circumferential continuity of check ring and the spacing cooperation between two rest parts, and the blocking support effect of check ring will not easily fail.

A height adjustable child restraint for use in a forward facing position, the child restraint comprising: a seat portion for holding a child, and a base portion, where the base portion comprises an upper frame member for connection with the seat portion and a lower frame member for connection with the seat portion, a lower frame member to be placed on a vehicle seat, in which at least one front beam connects a front portion of the upper frame member to a front portion of the lower frame member, and at least one rear beam connects a rear portion of the upper frame member to a rear portion of the lower frame member such that a parallelogram is formed; and at least one guide plate connected to the lower frame member wherein at least one of the upper frame member and the back rest is movably connected to the guide plate for vertical movement of the upper frame member relative to the guide plate.

An adjustable exercise bench system features a main frame, a back rest pivotally coupled to the frame, and a specialized modular mounting interface for interchangeably receiving passive and active workout modules. The system includes a dual-cable angle adjustment mechanism comprising a remote release lever positioned on the rear of the back rest, allowing a user to simultaneously retract a pair of lower locking pins via a cable assembly for ergonomic inclination changes. The mounting interface consists of a laterally extending cylindrical guide rod and a fixed indexing plate with a plurality of angular apertures. Modular attachments, including passive pads and active dynamic lever arms, utilize a universal receiving sleeve with a biased locking pin to positively engage the indexing plate, thereby safely arresting rotational torque during exercise. The bench further comprises a front footing configured for stable, vertical upright storage.

The invention relates to a leg rest pressure prevention and constant position waist pad zero-wall-leaning concave swing rest massage armchair mechanism which comprises a base frame, a backrest frame, a leg frame and a foot supporting part, two sliding stand columns are fixed to the leg frame, each sliding stand column is rotationally connected with a swing arm piece, the swing arm pieces are fixed to the backrest frame, and the foot supporting part is fixed to the base frame. Each sliding groove mechanism comprises a first sliding groove and a second sliding groove, the second sliding grooves are located below the first sliding grooves, the second sliding grooves obliquely extend upwards in the direction from back to front, and the first sliding grooves obliquely extend downwards in the direction from back to front. By the adoption of the technical scheme, the backrest frame is restrained by the combination of the elevation angle of the first sliding groove and the depression angle of the second sliding groove, the backrest frame and the swing arm piece generate the concave arc-shaped forward moving effect, a vertical constant position exists between the connecting points of the backrest frame and the two sliding assemblies, a waist cushion can be arranged at the position, and the constant position effect of the waist cushion is achieved; and the waist of a user can be always attached.

This article is a pillow used as bedding, and is comprised of a portion where the user's head rests, a portion where the user's neck and shoulders rest, and a portion where the user's back rests, all connected by covers. This article is used so that the user's head rests on the upper rear surface, the user's neck and shoulders rest on the upper central surface, and the user's back rests on the upper front surface. This article may also be used with a sheet-shaped electric heater attached to the upper surface of the article to warm the user.

A convertible furniture arrangement includes a pair of arm assemblies secured to a back frame, a support frame, a seat member movable between a first position where the seat member is configured to support a seated user thereon and a second position where the seat member is configured to support the user in a prone position, a link member coupled to the support frame and the seat member and positioned vertically below the seat member when the seat member is in the first position and is configured to support the user that is in the prone position when the seat member is in the second position, a support surface movable between a back rest position and a table position when the seat member is in the first position, and a pair of L-shaped connection members that support the support surface between the back rest position and the table position.

Back rests for chairs [parts of chairs]