Abstract: In a vehicle seat (1), in particular a motor vehicle seat, vehicle seat, in particular motor vehicle seat, which may be transferred from at least one position of use suitable for conveying passengers into at least one pivoted-forward position of non-use, comprising a base (9), at least one rocker (13) which is linked at least indirectly to the base (9), in particular to a front foot (11) attached to the base (9), a seat cushion (3) which is linked to the rocker (13), at least one link (27, 29) which is linked at least indirectly to the base (9), in particular to the front foot (11) attached to the base (9), at least one rear foot (21) which is linked to the link (27, 29) and is releasably locked to the base (9), and a backrest (5) which is pivotably linked to the rear foot (21) about a backrest pivot axis (33), the seat cushion (3) is linked by means of an articulated joint (35) directly to the backrest (5).

Abstract: The invention concerns a seat tilt apparatus (3) for an electric wheelchair, which wheelchair comprises a chassis (1) and a seat (2). The seat tilt apparatus comprises; a base member (11), which is fixable to the chassis and provided with at least one first guide slot (16); a seat supporting member (40) which is arranged to supportably receive the seat, movable in relation to the base member and guided by the first guide slot; and a linear drive means (17) which is connected to the base member and to the seat supporting member, for moving the seat supporting member along a motion path, in relation to the base member.

Abstract: A simplified tilt-integrated suspension mechanism includes first and second supporting legs to support an upper frame and a lower frame on one side of a seat section, and third and fourth supporting legs to support the lower frame and the upper frame on the other side of the seat section. The first and third supporting legs are pivotally connected to the upper frame on the same axial line. The second and fourth supporting legs each include a lower supporting leg portion pivotally connected to the lower frame, and an upper supporting leg portion pivotally connected to the lower supporting leg portion by a pivot pin and slidably joined to the upper frame. A releasable locking means may also be provided.

Abstract: A child chair includes a seat, a frame, a reclining adjusting device, a locking device, and a bouncing device. The seat pivoted with the frame. The reclining adjusting device mounted on the seat capable of moving between a locking status and a release status, the seat movable relative to the frame when the reclining adjusting device is in the release status. The locking device mounted on the seat for retaining the reclining adjusting device in the release status. The bouncing device mounted between the seat and the frame for bouncing the seat along a direction relative to the frame when the reclining adjusting device is retained in the release status by the locking device.

Abstract: A seat adjuster for an article of sports equipment includes a base, a locating frame pivotally connected with the base for connection of a seat, a first locating plate mounted with the base, and a second locating plate pivotally connected with the locating frame so as to be pivotable between a first position where a second teeth portion of the second locating plate is engaged with a first teeth portion of the first locating plate such that the locating frame can't be pivotable relative to the base for fixing the seat in position, and a second position where the second teeth portion of the second locating plate is disengaged from the first teeth portion of the first locating plate such that the locating frame can be pivotable relative to the base for allowing the angle of inclination of the seat to be adjustable.

Abstract: Seat furniture includes a frame which is adjustable such that the height and inclination of the seat supported by the frame can be easily and rapidly varied. The seat furniture includes a seat platform, which is supported by an adjustable frame, in which two pairs of legs are integrated, the height-adjustment devices of which have locking devices which are operated by operating elements located near the seat platform. When the front operating device is operated, the movable locking devices of the front pair of legs are released. The height of the front pair of legs can then be varied. The set of the corresponding rear elements functions in the same manner. Articulated hinges integrated in the frame permit each adjustment while the support area on the floor does not change.

Abstract: An infant care apparatus includes a base; a drive mechanism disposed on the base; a controller electronically coupled to the drive mechanism; and a support device coupled to the drive mechanism. The support device is configured to be moved in both a horizontal and vertical direction relative to the base by the drive mechanism. The drive mechanism is controlled by the controller to move the support device in a plurality of motion profiles relative to the base.

Abstract: The invention relates to motion seat systems and methods of powering motion seating. The modular design allows configurations as to the number and arrangement of seats, and provides each person on a seat with the same motion such as pitch and/or roll. The seats can be coupled together. Each seat has one or more rotary shafts that pass under or through the seat. One or more rotating shafts cause each seat to pitch and roll according to the position of the shaft(s). The shaft of a master seat is rotatably coupled to the shaft of one or more slave seats to transfer the motion to the slave seat(s).

Abstract: An automatically adjustable chair structure essentially includes a chair body, a base, an extension bar, at least one first cushion mechanism, and at least one second cushion mechanism. When a user sits on the chair body, the user's body weight is cushioned by the first and second cushion mechanisms. In addition, the two sled runner-shaped supports lying on the floor and the pivotable design of the extension bar allow the extension bar to move backward. Thus, the tilt angle of the chair body can be automatically changed to suit the user's sitting posture.

Abstract: The invention concerns a seat tilt apparatus (3) for an electric wheelchair, which wheelchair comprises a chassis (1) and a seat (2). The seat tilt apparatus comprises; a base member (11), which is fixable to the chassis and provided with at least one first guide slot (16); a seat supporting member (40) which is arranged to supportably receive the seat, movable in relation to the base member and guided by the first guide slot; and a linear drive means (17) which is connected to the base member and to the seat supporting member, for moving the seat supporting member along a motion path, in relation to the base member.

Abstract: An apparatus is disclosed as having, for example, a frame, a backrest assembly including a pivot bracket, a seat assembly pivotably connected to the pivot bracket and the frame, a leg rest assembly pivotably connected to the frame, a link connected to the leg rest assembly at a first pivot joint and the pivot bracket at a second pivot joint, and a lock connected to the leg rest assembly and the frame.

Abstract: The present ergonomic computer chair relates to chairs for special purposes, and more particularly, to computer operator's chair which is ergonomically designed to prevention of orthopedic and cardiovascular diseases and creation of psychophysical comfort, especially as regards reduction of fatigability during long-lasting work with computer. The ergonomic computer chair includes a seat with a backrest and a pedestal with a support frame made in the circular arc form, a support ring installed on the support frame wherein said support ring can rotate around its axis. The backrest is made of a rigid part and an elastic part separated from one other by at least three elastic bladders connected to a compressor by air tubes having electric valves. The rigid part of the backrest is hinged to the seat, and the seat is hinged to a seat inclination drive and to a footrest. A mounting of the computer monitor and keyboard is made by means of a movable sector which is made as a arched pipe with centering bearings.

Abstract: A vehicle seat assembly that elevates and rotates to enhance passenger seat access is disclosed. The vehicle seat assembly includes a seat and a plurality of links pivotally coupled to a lower surface of the seat at one end of each of the links and pivotally mounted with respect to a vehicle floor at the opposite end of each of the links. A motor may be used to drive at least one link to actuate the seat.

Abstract: A vehicle, in particular electric wheelchair, having a chassis and a driver's seat which is fastened thereto and can be set in its inclination with respect to the chassis. The vehicle includes an inclination sensor which determines the angular position (?) of the seat surface of the driver's seat with respect to the horizontal (H), an adjusting device which is connected to the chassis and to the driver's seat, and a control and regulating device which is operatively connected to the inclination sensor and the adjusting device and via which the driver's seat can be pivoted by the adjusting device in such a manner that its seat surface is always situated essentially parallel to the horizontal (H).

Abstract: A seating system has a tiltable seat coupled to a base, which can be coupled to a motor vehicle or other device. The seat includes a seat bracket coupled to the base by a seat tilt pivot. The seat is configured to maintain a user's body in a fixed position during tilting throughout the seat's range of tilt angles. A seat adjustment mechanism allows angular adjustment of the seat and locks the seat at a fixed tilt angle relative to the base. The seat tilt pivot axis is located approximately vertically below the center of gravity of a loaded seat, thus reducing the force needed to tilt a loaded seat. By fixing or maintaining the seat tilt pivot vertically beneath the load being pivoted, the amount of force needed to control seat tilting can be limited to forces that a typical user can exert with one or two hands.

Abstract: The present invention relates to a seat adjusting mechanism for vehicle comprising a seat cushion frame which has at a lower part thereof a latch assembly being locked or unlocked to a locking pin of a vehicle part, a connecting plate which is fixedly coupled to an end part of the seat cushion frame and a seatback frame which is rotatably coupled to an end part of the connecting plate through a recliner, further comprising a driving link which is rotatably coupled to the connecting plate and is rotated in connection with the seatback frame when the seatback frame is rotated; a pre-latch link which is rotatably coupled to the connecting plate apart from the driving link and which, when the driving link is rotated over a predetermined angle, is rotated together to a predetermined extent in contact with the driving link; and a latch link which is rotatably coupled to the connecting plate with the same rotating axis as the pre-latch link and has an end part coupled to a cable end part for an operation of unlockin

Abstract: A tilting fitting device enables a chair seat to be tiltable forwards and backwards against spring force of tilt-resisting springs, the tilting fitting having an upper part that is fastenable to the chair seat and a lower part that is fastenable to a chair base and tiltably connected to the upper part, wherein the tilting resistance is adjustable by adjusting spacing between the tilt-resisting springs and distance of each spring from a respective side of a tilting axis for the upper part. An actuating element is arranged for simultaneous engagement with two support members, an actuating element, along a part of each of its two sides in the element's direction of motion. On movement of the actuating element in the longitudinal direction of the tilting axis, it is adapted to cause rotation of the support members and springs mounted thereon, thereby changing the spacing of the springs.

Abstract: The present document describes an actuated chair for inducing motion with respect to the ground as a function of motion signals synchronized with a video output of a feature length movie. The chair comprises a seat base, and an actuating base for receiving the motion signals. The actuating base comprises three link members, namely a first link member, a second link member and a third link member. Each link member has one translational degree of freedom and two rotational degrees of freedom. The first link member and the second link member are attached to the seat base closer to the rear edge than the third link member. The actuating base further comprises three linear actuators for inducing motion to the seat base. The actuators are fixed to the frame and each actuator is respectively connected to the seat base using a respective one of the three link members.

Abstract: A foldable wheel chair or mobility base is disclosed that comprises a chair portion and a wheeled frame. The chair portion has a back hinged to a seat. The frame supports the chair portion, a spaced pair of front wheel caster assemblies and a spaced pair of rear wheels. A lower end of the back of the chair portion attaches to the frame via two spaced brackets which are slidably connected to upright curved rear support members such that they can be moved along the curved rear support members to permit adjustment of the chair tilt between predetermined stop positions along the curved rear support members without changing a seat to back angle. The chair portion is connected to the frame via front support members and diagonal struts connected to common pins fastened to each of the front wheel caster assemblies. The other end of each diagonal strut is hinged to one of the spaced brackets.

Abstract: A seat has an erroneous operation preventing device for, locking movement of a seat strap to regulate the stowing or folding operation, the device including a movable member provided on a seat back side to be abutted with the strap, a first connecting member that is connectable to the movable member, a second connecting member connected to the first connecting member through a first connecting portion, a strap connecting member connected to the second connecting member through a second connecting portion and locked to one end portion side of the strap, and a regulator for regulating the movable member or the first connecting member movably toward one side, wherein the first connecting member is supported on a first movable shaft provided on the seat back side, and the first connecting portion is arranged to be moved to cross a straight line connecting the shaft portion and the second connecting portion.

Abstract: Dynamic furniture having platforms in dynamic attachment to an actuator assembly that in turn is in dynamic attachment to a base. Use of motional platforms supported by a motional actuator assembly permits an article of the furniture to conform to the many and varied body positions a user wants, and allows a user to more easily change body positions while remaining within the furniture, and in medical scenarios may obviate most needs to transfer a patient from one article of furniture to another.

Abstract: A chair to minimize muscle strain as a person sits in or rises providing an identical pair of elongated parallelepiped back frames having a vertically extending upper portion, a rearwardly extending lower portion with a parallelepiped connection member extending perpendicularly therebetween to connect the back frames. A parallelepiped crossbar extends between a pair of front legs. A spring assembly having a parallelepiped upper mount member, a parallelepiped lower mount member, and a single coil spring therebetween is secured to the lower edge of the back frame lower portion. The selective placement of a user's weight upon the seat positions the spring into either a compressed state, wherein the seat is parallel to a floor surface, or an uncompressed state, wherein the seat is at an angle to the floor surface.

Abstract: A furniture item includes a support member and a rotatably pinned mechanism operable in rocking and reclining motions. The mechanism includes first and second side plates; a first pair of forward link members each rotatably connected to one of the side plates; a pantograph linkage set connected to the first pair of forward link members to extend and retract a footrest assembly in the reclining motion; and a drive rod rotatable between the side plates. Rotating the drive rod extends or retracts the pantograph linkage set. An escutcheon connected to the drive rod has a snap-engaged handle to manually rotate the drive rod. At least one U-shaped spring connected between the support member and the mechanism allows rocking motion. A seat pan has flat body springs extending over a seat pan aperture to support an occupant. A detent at one end of each flat spring engages the seat pan.

Abstract: A worker's body support includes a base assembly which is preferably made of two spaced channel members. An upright assembly also preferably made of two spaced channel members is pivotally mounted at its lower end to the base assembly. An angular adjustment structure is pivotally mounted to the base assembly and is selectively mounted to one of a number of different locations to the upright assembly to adjust the angular orientation of the upright assembly. A seat is mounted to the upright assembly and is movable to a plurality of different locations and orientations.

Abstract: A pivoting joint for use in a task chair or the like provides an adjustable elastomeric coupling that permits multi-axis rocking of the seat pan with a restoring force that provides controlled stability.

Abstract: A seat assembly (21) for a vehicle including a seat (22), a seat mounting assembly (20) mounting the seat (22) for movement along an upwardly concaved arcuate path, a backrest (25) assembly with a backrest member (23) having a lower portion (18) coupled for arcuate motion with the seat (22) and an upper portion mounted for movement in a vertically extending direction. The backrest assembly (25) further includes a recliner frame and mechanism (32, 33). A method of providing a seat assembly also is disclosed including the steps of mounting the seat (22) for movement along an upwardly arcuate path, mounting the backrest (25) proximate the seat, coupling a lower portion (18) of the backrest for movement with the seat (22) and mounting the upper portion of the backrest (23) for vertically extending movement.

Abstract: An apparatus comprising a cantilever having a distal end and a proximate end, a frame portion coupled to the distal end, a base portion coupled to the proximate end, and a locking apparatus coupled to the frame portion, the base portion, or the cantilever, wherein the locking apparatus has a locked position and an unlocked position, and wherein the locking apparatus prevents the frame portion from tilting relative to the base portion when the locking apparatus is in the locked position.

Abstract: A chair lift includes a jack movable between lowered and raised configurations and a motor in communication with the jack for moving the jack between the lowered and raised configurations. A switch is in communication with the motor to selectively actuate the motor. A mounting bracket is coupled to the jack to move vertically as the jack moves between the lowered and raised configurations, the mounting bracket having opposed first and second ends. First and second clamping mechanisms are configured for attachment to respective chair legs, the first and second clamping mechanisms being below the mounting bracket. A first flexible connecting link extends between and coupled to the mounting bracket first end and the first clamping mechanism. A second flexible connecting link extends between and coupled to the mounting bracket second end and the second clamping mechanism.

Abstract: Disclosed is a reclining adjustment device to control the reclining angle of a tiltable seat frame of a manual wheelchair. The device in accordance with the teachings of this invention includes a guiding mechanism for adjusting the reclining angle of the seat frame to a desired angle selectable from a fixed number of angles between a fully reclined position and a fully upright position, an engaging mechanism releasably engaging the guiding mechanism when the reclining angle of the seat frame is at the desired angle to fix the guiding mechanism in place, a locking mechanism for locking the engaging mechanism to the guiding mechanism at the desired angle, an actuating mechanism, wherein upon actuation of the actuating mechanism, the engaging mechanism is released from the guiding mechanism to permit the guiding mechanism to be adjusted to the desired angle.

Abstract: An improved chair is provided having an apparatus for assisting an occupant in exiting the chair. The chair is comprised of a body movably mounted on a base between normal and tilted forward positions. The occupant is able to more easily exit the chair in the tilted forward position. The apparatus is comprised of an elongated member, pivoting assembly, and wheel assembly at one end of the elongated member for contacting a surface. One end of the elongated member is pulled to cause the chair to move from the normal position to the tilted forward position. The elongated member urges a wheel in the wheel assembly against the surface. The wheel imparts a force into the elongated member which urges a rear side of the chair upward causing the chair to move to the tilted forward position. When the elongated member is released, the chair returns to the normal position by gravity.

Abstract: An assembly for safely supporting an occupant in a vehicle such as, but not limited to, a watercraft and including a seat assembly and a support frame. A connector assembly is disposed and structured to movably interconnect the seat assembly to said support frame along a first rotational axis. A mount assembly is connected to the vehicle and includes an attachment assembly disposed and structured to movably interconnect the support frame to the mount assembly along a second rotational axis. The support frame and the connector assembly associated therewith as well as the mount assembly and the attachment assembly associated therewith are cooperatively disposed and structured to orient said first and second rotational axes in substantially perpendicular relation to one another, such that the seat assembly will be able to move in a substantially gimbal-like fashion relative to the movement of the vehicle while traveling.

Abstract: A support apparatus for the operator of a vehicle for sitting, semi-sitting, or leaning, includes a seat support mounted on a base, the seat support having a compound convex curvature on an upper surface defining a rear sitting portion, a central semi-sitting portion and a forward leaning portion, and a horn projecting from the central portion to provide lateral support and vertical support to the operator.

Abstract: A portable chair and table set is provided that is tiltable and nestable to simplify and accommodate compact storage. The chair includes a seat shell that is pivotably mounted to a nestable support frame. Hinges connect the shell to the frame and are configured to hold the seat shell in a tilted configuration for storage. In this tilted configuration, several chairs can be horizontally nested so that the overall length of the nest chairs is minimized. Similarly, the table includes a table top having a unitary desk surface and modesty panel that is pivotably mounted to a support frame by hinges that are configured to hold the table top in a tilted configuration that allows horizontal nesting of several tables in a minimal overall length. The hinges can be easily disengaged by manual movement of the table top to its in use position.

Abstract: A health care chair includes a base and a seating portion attached to the base. A lift assist mechanism connects the base and seating portion and assists in moving the seating portion from a first reclined position to a second inclined position without electrical power. The chair also includes moveable arms attached to the seating portion that rotate between a first substantially horizontal position and a second substantially vertical position.

Abstract: A seat for a vehicle includes: a seat cushion frame, adapted to be mounted to a vehicle floor side to rotate around a front end portion relative to a vehicle floor and selectively operated to be in a raised state or in a used state relative to the vehicle floor; a seat back frame, adapted to be coupled at the vehicle floor side to rotate relative to the vehicle floor and operated to be in a stored state; a locking mechanism, provided between the seat cushion frame being in a used state and the vehicle floor and operated to lock the seat cushion frame; and an operating lever, rotatably provided at one side of the seat cushion frame and made from a rigid body unlocking the locking mechanism and rotating the seat cushion frame in a direction in which the seat cushion frame is raised in a single.

Abstract: A seat supporting assembly (24) for supporting a seat (18), the assembly comprising a base (25) including a substantially elongated guiding rod (58), a seat support (36), a seat support-to-base linking member (56) pivotally coupled to the seat support (36) and sliding on the base guiding rod (58), a substantially elongated tilting member (60) having a guiding groove (66) and being pivotally attached to the seat support (36) and to the base (25). An actuating assembly (44) is coupled to the base (25) and includes a motion transmitting member (68) mounted within the guiding groove (60).

Abstract: A wheelchair is provided with an exercise mechanism which allows the user to perform exercises as desired. The user is able to exercise by extending his or her torso either independently of his legs or combined with exercising his legs. Resistance mechanisms are included to permit users to control the level of difficulty.

Abstract: An actuator configured to actuate a member. The actuator optionally including capabilities for storing and releasing kinetic energy. The actuator being suitable for use in any number of environments, including but not limited to facilitating seat folding operations.

Abstract: The present invention is a chair having a first seat portion operably associated with a second seat portion, with the first seat portion disposed in the same plane as the second seat portion, and an actuator for moving the first seat portion relative to the second seat portion. When the actuator is actuated, the first seat portion will pivot relative to the second seat portion such that the first seat portion is located in a different plane compared to the second seat portion.

Abstract: The invention relates to a moving seat for vehicles, which is characterised in that it is mounted to a gimbal suspension support with one or two shafts, whereby the centre of gravity of the seat and the passenger is located below the suspension shafts. The invention also includes dampers and devices for blocking, delimiting or minimizing the sharpness of the movements.

Abstract: The present invention relates to a mobile joint (1) for a seating construction, especially a chair, for mounting between a seat device and a base, comprising at least two joint elements (10, 30) which are reciprocally restricted pivoted between two extreme positions to allow tilting movement of the seating construction effected by the users weight displacement, comprising two outer joint elements (10, 30) which are pivoted related with a middle joint element (20), wherein the rotational axis (40, 50) between the two joint elements (10, 30) and the middle joint element (20) is displaced in relation to each other in the horizontal direction, whereby the joint (1) may assume a stable tilting position between the two extreme positions.

Abstract: A wheelchair includes a seat and a back that are pivotally supported in two side members and are kinematically interconnected in such manner that an angle between the seat and the back will increase when the back is swivelled backwards about its pivotal support in the side members, which kinematic connection comprises a link connection between the seat and the back. The link connection is in the form of a link arm arranged under the respective pivot supports of the seat and the back so that the distance between the back pivot support and the back link arm connection is less than the distance between the seat pivot support and the seat link arm connection, and that the axis of rotation of the seat through the seat's pivot support in the side members passes essentially through or close to the user's center of gravity.

Abstract: A portion of a riser of a removable vehicle seat has a layered structure. The layered structure provides abrasion resistance and noise isolation.

Abstract: The invention describes a chair comprising a base structure, a seat having a seat surface and a backrest, a seat carrier for carrying the seat on the base structure, and a tilt mechanism which is arranged between the seat carrier and the base structure and which to improve the ergonomic properties of the chair is of such an arrangement and configuration that it permits inclination of the seat surface of the seat with respect to the horizontal both in a forward/rearward direction of the seat surface and also in a right/left direction of the seat surface. The tilt mechanism includes a pressure plate with a first conicity in the forward/rearward direction of the seat surface, by way of which the seat can be inclined in the forward/rearward direction, and a second conicity in the right/left direction of the seat surface, by way of which the seat can be inclined in the right/left direction.

Abstract: Office components are described that include an electrical conduit electrically coupled to a fuel cell, and an electrically powered device coupled to the electrical conduit and configured to receive electricity generated by the fuel cell. The electrically powered device includes at least one of an automatic adjustment mechanism, a control system, a sound masking system, and an office accessory. Chairs, methods of using chairs, and systems of chairs are also described.

Abstract: An adjustable booster-type seat having a base 10 for supporting the seat on a flat surface, a riser 12 mounted for height adjustment on the base, a body support 14 having a seat and back mounted for arcuate motion on the riser 12 for changing the angular position of the body support 14 and being adjustable in height by virtue of the adjustability of the riser on the base. A restraint bar 16 is detachably connected to the body support and in turn adjustably carries a tray 18 enabling the tray to be moved toward and away form the back and to be mounted at different angles with respect to the body support 14.

Abstract: An assembly for supporting a user in multiple positions relative to a surface, the assembly including a frame positioned on the surface, a support being movably coupled to the frame, a first connector extending from beneath the support and being movable with the support as the support moves relative to the frame, and a second connector positioned beneath the support. The first connector is movable relative to the second connector as the support moves relative to the frame, and the first connector is selectively secured to the second connector in different positions, each of the different positions corresponding to a different position of the support relative to the frame.

Abstract: The present invention is directed to a vehicle seat suspension apparatus that is mechanically simple, inexpensive, occupies little space, and operates effectively with force inputs from any horizontal direction. The invention comprises a base, an isolator, and a plurality of links connected to both the base and isolator so that the isolator is suspended from the base and can move or swing horizontally in all directions relative to the base. The isolator has an upper plate with two flanges that depend from the plate. The base is positioned directly below the upper plate and between the two flanges. The links are connected to the base and the flanges of the isolator by means of ball and socket connectors that permit the isolator to move in all horizontal directions relative to the base. A travel limit system is used to permit adjustment in the travel of the isolator relative to the base.

Abstract: An actuator configured to actuate a member. The actuator optionally including capabilities for storing and releasing kinetic energy. The actuator being suitable for use in any number of environments, including but not limited to facilitating seat folding operations.

Abstract: A multi-position chair may be positioned into multiple positions including one or more sitting positions at different heights, one or more leaning positions at different angles, and one or more storage positions. The multi-position chair may include a seat, a back and a support for supporting the seat and the back with respect to the floor. The seat and the back may be pivotable with respect to each other and with respect to the support. The seat includes a seating surface configured to receive the user's buttocks in a sitting position. The back may include a front seating surface configured to receive the user's back in a sitting position and a rear leaning surface configured to receive the user's buttocks in a leaning position.