44 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.

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.

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.

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.

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.

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]

An exercise bench apparatus includes a main frame with a height-adjustable back rest and a pair of adjustably connected side pads. The side pads incorporate a unique mechanism involving a solid bar, splined shaft, L-shaped connector, mounting plate, pad rotation plate with holes at set intervals, and a spring-loaded pin system allowing precise upward, downward, and sideways adjustments. Additionally, the apparatus features a resting head pad aligned with the back rest and a pivotally attached sitting pad that adjusts for diverse exercise postures, providing comprehensive support for an enhanced workout experience. A handle on the main frame facilitates bench repositioning. The bench's stability is ensured by a footing mechanism, designed with non-slip materials and multiple feet for even weight distribution and surface protection. This innovative apparatus promises versatile and comfortable exercise configurations.

An expandable wheelchair device for adjusting dimensions of the wheelchair to accommodate variously sized users includes a chair having a seat and a back rest. The seat includes a pair of seat rods that are each extendable and retractable. The back rest includes a pair of back rest rods that are each extendable and retractable. A support is positioned beneath the seat to support the chair above a surface. A pair of drive wheels is rotatably coupled to the support proximate to a junction between the seat and the back rest. A pair of front wheels is rotatably coupled to the support and is spaced from the pair of drive wheels.

The invention relates to a vehicle seat (100) comprising at least:-a seat part (102),-a backrest (104),-a movement system (120) for transferring the vehicle seat (100) from a use position (200) into an entry position (210) and back,-a longitudinal adjustment device (110) for longitudinally adjusting the vehicle seat (100), and-an entry position stop (300), the back rest (104) is configured to absorb a force (F) acting on the back rest (104) in the entry position (210) and to move freely to provide an emergency exit.

1. The name of the design product: folding waist backrest. 2. The use of the design product: used for multi-angle adjustment support of motorcycle or electric vehicle waist, and suitable for installation and use of most vehicles. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model relates to the technical field of goals of sports goods, in particular to a flexible back rest structure of a goal, which adopts a flexible rope, two support rod groups and two lock catches, a hanging ring is fixedly connected at the corner of the two support rod groups, the end part of the flexible rope passes through the lock catches and the hanging ring, so that the flexible rope is transversely arranged between the two support rod groups, and the goal is fixed on the back rest structure. After the flexible rear beam is applied to a goal and a net is hung, the flexible rope directly supports the rear half part of the net, the problem that the rear half part of the net collapses downwards is avoided, assembly is convenient, and cost of additionally adding two vertical rods is avoided.

The utility model discloses a combined convex swing seat frame mechanism based on a slide rail, which comprises a base, a seat and an electric push rod, the seat comprises a sitting and leaning frame and a backrest frame, the base is provided with a sliding frame, the left side and the right side of the sliding frame are respectively provided with at least two hinge shafts, each hinge shaft is provided with a swing arm, and the swing arms are connected with the electric push rod. Each swing arm is sequentially provided with a movable end, a hinged end and a driving end from top to bottom, the movable ends are hinged to and supported on the sitting and leaning frame, the sliding frame is further provided with a swing arm driving assembly used for driving the driving ends to swing, on the basis of existing front-back sliding and back rising and falling functions, the electric swing function technology is upgraded and added, and the product configuration function is improved. According to the present invention, the arc-shaped swing mechanism is adopted, such that the arc-shaped swing mechanism can meet more consumption requirements, can be adapted to more types of foot bathtubs and use places, and can swing along the arc-shaped track, i.e., can swing convexly, such that the action provides the user with the roller coaster feeling, such that the user can be excited and joyful, and can provide the certain tension contraction effect on the muscle so as to easily achieve the gastrointestinal motility and the gastrointestinal motility.

Systems, methods, and apparatuses related to an adjustable seating assembly for a golf cart are described. The golf cart includes a chassis, a prime mover, a plurality of tractive elements, at least one of the plurality of tractive elements driven by the prime mover, and a seating assembly supported by the chassis. The seating assembly includes a pedestal coupled to the chassis, a base support coupled to the pedestal, and a seat coupled to the base support. a track positioned to facilitate translationally repositioning at least one of the seat or the base support. The seating assembly includes a back support pivotably coupled to the base support or the pedestal and a back rest coupled to the back support. The seating assembly includes a first actuator configured to translate the at least one of the seat or the base support, and a second actuator configured to pivot the back support.