Abstract: Disclosed is a chair and a method using the chair, which can be not only used easily and comfortably but also utilized in treating an improper alignment of spinal vertebrae. The chair has a seat assembly for seating the user on the seat assembly, the seat assembly being operated by the user in such a manner as that the user can adjust a height of the seat assembly; a backrest assembly for supporting a back of the user, the backrest assembly being operated separately from the seat assembly by the user in such a manner that the user can adjust a height of the backrest assembly; a headrest assembly for resting a head of the user on the headrest assembly, the headrest assembly being assembled with the backrest assembly; and a backrest frame for supporting the backrest assembly and the headrest assembly, the backrest frame being fixed to the seat assembly, the backrest assembly moving along the backrest frame when the height of the backrest assembly is adjusted.

Abstract: Disclosed is a stretcher with a first shaft that is fixed onto a frame of the stretcher. A second shaft is provided on a head rest. A support arm is installed on the first shaft in a way that it can rotate, and also that supports the second shaft in a way that it can rotate. A rotation prevention member has a being pressed sloped part that receives a pressing force, and a pressing part that is pressed onto the circumference surface of the first shaft or the second shaft, and which can come near to or separate from the first shaft or the second shaft. A wedge shaped member has the pressed sloped part that presses while sliding on the being pressed sloped part of the rotation prevention member, and which presses the rotation prevention member onto the first shaft or the second shaft by the wedge action caused between this press sloped part and the being pressed sloped part.

Abstract: An adjustable headrest device includes a fixed base fixed to a backrest of a chair, a movable seat mounted to the fixed base and slidable along a vertical direction of the fixed base, a headrest attaching device mounted to the movable seat and slidable along a front/rear direction of the movable seat, and a headrest fixed to the headrest attaching device to move therewith. The movable seat is retainable in a desired level relative to the fixed base, and the headrest is retainable in a desired front/rear position relative to the movable base.

Abstract: A seatback assembly having an integral generally “U” shaped head/neck rest within its seatback that can be configured to accommodate a variety of positions while in use and incorporated into the seatback when not in use. The seat assembly has a seatback attached to a lower seat having a support arch and an opening. A generally “U” shaped head/neck rest is disposed within and pivotally attached to the seatback opening by a pair of mounting bars. The pivotal mount allows an open position for use and a closed position that is integral with the seatback. The mounting bars can be slidably mounted to the seatback and have locking mechanisms. Other features can include an internal frame, a pivotal attachment between the lower seat and seatback and the support arch can be made of tube steel and have padding.

Abstract: A Guide sleeve for the rod of a neck rest in automobile vehicles which sleeve is mounted in the back rest of a seat from above, the sleeve comprising a throughbore through which the rod is extended, an enlargement at the upper end which slidably supports an actuating element, releasable locking means which have a locking portion which cooperates with a locking recess provided in the rod in order to secure the rod against axial displacement, the locking portion is disengaged with the locking recess if the actuating element is actuated, wherein a deflection lever is provided which is located at the outer side of the guide sleeve and extends parallel to the longitudinal axis of the sleeve, the lever being limitedly rotatably supported about an axis lying between the ends of the lever and extending transverse to the longitudinal axis of the sleeve, the locking portion being provided at the lower end of the lever, the lever being biased by spring means which bias the locking portion against the rod and the actuati

Abstract: An adjustable child seat includes a backrest and a seat base and may be used with or without the backrest. The child seat includes adjustable arm rests. The height of the backrest and the depth of the seat base are also adjustable. The connection between the backrest and the seat base is configured to prevent unintentional separation but allows simple and intuitive separation when desired. A belt guide operating in either a seat belt locking mode or a seat belt free mode is also provided.

Abstract: An adjustable chair for vehicles in which the frame structure is easy to manufacture and includes few components while still providing adjustment in several directions. By adjustment in several directions, it is meant, for example, adjustment of the length of the chair seat, as well as the height of the back of the chair. By manufacturing each frame in one piece with integrated attachments and similar, it is also possible to utilize the same frames for both manually and electrically operated chairs. The chair includes a seat part and a back part each of which have several possibilities for adjustment for individual and ergonomic adaption of the chair; including the aspects of length, height, side support and lumbar support. An operator is provided for adjusting the seat and the back parts, together with components that form parts thereof.

Abstract: A neckrest, for a chair having a backrest, is configured to be attached to a backrest shield in a height-adjustable manner. The neckrest includes a circular cross-section retaining rod, configured to be connected to the backrest shield via an articulated or movable connection so as to be tiltable by up to approximately 30° in a vertical plane vertically with respect to a surface of the backrest, and a circular cross-section guide sleeve, mounted on the retaining rod so as to be slidingly shiftable by up to approximately 200 mm on the retaining rod. The retaining rod includes a molding on a side thereof which is closest the backrest and seated in a housing having a recess. The molding has a round surface which slides under pressure on a polyurethane rubber material friction dampening device so as to achieve the articulated connection.

Abstract: A chair, in particular an office chair, comprises a pedestal; a seat support propped thereon; a seat supporting itself on the seat support; a backrest support mounted on the seat support; a headrest support mounted on the backrest support; and a headrest mounted on the headrest support and having a height setting mechanism for height adjustment of the headrest and an inclination setting mechanism for adjustment of an angle of inclination a of the headrest.

Abstract: A height-adjustable headrest for a seat back of an automobile includes support rods that transfix guide areas attached to the seat back frame. The ends of the support rods positioned below the guide areas are connected with a bracket so that they may ratchet, and may be separated from it by pulling upward. At least the end of one the the support rods is locked in its first position by the bracket against extraction upward, and, in a second position, the support rod may be displaced only by means of a tool so that it may be extracted upward.

Abstract: The invention relates to a vehicle seat including a seat part, a backrest, and a height adjustable headrest which is displaceably guided by at least one guide rod and associated guide receivers in the backrest. An active head support system is provided through which the headrest is brought into a predetermined protection position in the event of an accident. The guide receivers are formed by a sleeve element which is inserted into a recess in the backrest.

Abstract: A headrest supporting rod for a vehicle seat has a body of molded plastic material, preferably ABS, and an outer coating layer coating the body of plastic material; the material defining the coating layer having at least one metal component.

Abstract: Vehicle seat (1), in particular for a two-door automobile, with a seat back (3) and a headrest (3a, 5, 5a) integrated into the seat back, wherein one section (3a) of a seat-back frame forms a carrying structure of the headrest, and the headrest comprises a cushion carrier part (5) mounted in such a way that it can move with respect to the seat-back frame when the seat back is tilted forward, so that the overall length of the seat back is reduced when tilted forward with respect to the resting position.

Abstract: A headrest device includes a thinner and improved positioning of the vertical position adjusting device. A geared or threaded drive shaft and a guide are positioned parallel to each other and parallel relative to a backrest. The driving force is directly transmitted from a motor unit positioned at the upper portion of the drive shaft and the guide to the drive shaft without a gear cable. The motor unit is directly assembled between a pair of longitudinal stay shaft portions at the upper portion of a seat backrest frame without a bracket.

Abstract: A system for the displacement of a neck rest in response to the displacement of a vehicle seat in an automobile, wherein the neck rest is mounted to a first structural part which is height-displaceably mounted to a second structural part, the latter being fixedly secured to the rest of the seat, the system having the following features: a rope defining a loop to transfer a force along the loop, one section of the rope being connected to the first structural part, the rope being guided about two spaced idle rollers, one of the rollers being rotatably supported by the seat and the other by the second structural part a first coupling part fixedly connected to the rope a second coupling part fixedly connected to the vehicle a coupling element movably supported on the seat and selectively engageable with the first coupling part actuating means for the coupling element on the seat adapted to coact with the second coupling part in response to the position of the seat such that in a forward position and upon dis

Abstract: A vehicle seat and a seat headrest are adjustable to accommodate seat occupants of varying heights. The headrest, height and seat position are adjusted together by connecting the headrest drive motor and the seat drive motor to a single control switch. The headrest has a smaller total distance of travel in relation to the travel distance of the vehicle seat. The headrest motor may drive a thread with a smaller pitch. Alternatively, there may be employed pulse width modulation of the electrical power supplied by a common switch or a similar device to create a proportional relationship between the motion of the headrest and the vehicle seat.

Abstract: A head support device comprised of adjustable occipital pads which provide cranial support through placement on the mastoid process of the skull. The support device is vertically and laterally adjustable so that the complete weight of the skull is supported by the pads placed over the mastoid process.

Abstract: A headrest includes a support structure adjustable in height of an actuator and defining a curved surface the convex side of which faces upwards, a pad fixed to the backrest at the front and slidable on the curved surface, and having a rear portion arranged for sliding vertically adjacent the rear of the backrest during the adjustment movement, and a guide device for guiding the rear portion of the pad and keeping it oriented parallel to the backrest.

Abstract: A headrest apparatus for a vehicle has a headrest body 10a provided with a left headrest member 11 and a right headrest member 12 and a locking unit 40 for holding the left and right headrest members 11, 12 at their initial positions. At a vehicle rear-end collision, the locking unit 40 is released by a control unit 50 for detecting the vehicle rear-end collision. As a result, the left and right headrest members 11, 12 rotate forward about the vehicle, so that a sheet 13 stretched between respective separation ends of the members 11, 12 is unfolded to restrict a passenger's head without making use of the passenger's inertia at the collision, surely and rapidly.

Abstract: A method of manufacturing a headrest support rod includes bending a cylindrical steel rod into a desired shape including first and second legs. The bent steel rod is then placed into an injection mold, and first and second plastic sleeves are injection molded over the first and second legs, respectively, to complete the headrest support rod. Accordingly, weight of the headrest support rod is minimized. Preferably, the first and second plastic sleeves include lock slots formed therein.

Abstract: A head restraint for a vehicle seat has a holding element which can be inserted into a seat backrest in a manner allowing it to be displaced vertically. A padding support is arranged on the holding element which holds a padded headrest intended for supporting the head. A pivoting device is arranged between the holding element and padding support and is intended for setting the inclination of the padded headrest about a rotational axis orientated transversely to the seat depth. In order to provide a head restraint which is anatomically shaped and can be set in height and inclination in such a manner that in every position it forms a continuation of the contour of the seat occupant's back, the padded headrest has a padded tongue which is pulled out downwards over the padding support for the purpose of supporting the back of the neck. The contour of the front surface of the padded headrest and padded tongue reproduces the profile of the back of the head and back of the neck.

Abstract: A headrest assembly (36) for a vehicle seat (10) and a method of installation. The headrest assembly (36) includes a support post (28) pivotally connected to an installation post (16) via an installation hinge (30). The installation post (16) is installed into a guide sleeve (14) of the seat back (12) such that the installation hinge (30) is still exposed, allowing the headrest body (34) to tip down and forward. The seat (10) is then installed into the vehicle body (50), after which, the headrest body (34) is tipped up and pushed down until a support post notch (38) engages with an installation catch (20) mounted on the guide sleeve (14). The headrest (36) will now remain in its use position with the hinge (30) contained within the guide sleeve (14).

Abstract: Nursing equipment for a child, such as an adjustable child safety seat, includes a back rest, a pair of side guards provided on opposing sides of the back rest for protecting side portions of an infant, and a pair of side head guards provided to be movable in an upward/downward direction and so as to be selectively detachable, inside the pair of side guards. By this structure, the nursing equipment helps to surely protect the head and particularly the brain of an infant as the infant grows.

Abstract: A safety car seat for a child is provided with a headrest vertical moving device, a shoulder belt position control device, a sleeping support position control device, a crotch belt position control device, a footrest step position control device and a moving device for changing the capacity of a support space for protecting the brain, the back and respiration of a child in the seat. By employing this mechanism, it is possible to provide a juvenile safety car seat enabling implementation of comfortability and safeness as well as protection of the brain, the neck and respiration of a baby based on medical criteria for the baby.

Abstract: An adjustable headrest that provides both support and comfort to the user and one that can be used in connection with furniture including household and office furniture and also in connection with various types of passenger vehicles. The headrest includes slide means for permitting easy height adjustment of the headrest and also includes locking means for securely locking the headrest in a desired elevated position. Further, the headrest includes easily adjustable, wing-like, side-support members that are pivotally connected to a centrally located, vertically adjustable head support member by means of constant torque hinges and also includes easily adjustable chin support members that are pivotally connected to the side support members by means of constant torque hinges.

Abstract: Guide-tubes for supporting the headrest of an automobile seat are lock-beaded into the top-rail of the seat-frame. The guide-tubes are formed from pieces of sheet metal, folded over to form cylindrical tubes. The edges of the sheet are interlaced, by means of dovetailing tabs and sockets, which are stamped into the side-edges of the sheet. The interlacing tabs and sockets are not present over the middle portion of the guide-tube, where the lock-beads are formed.

Abstract: An adjustable headrest for a seat backrest having a mounting system includes a frame structure adapted to be secured on the mounting system for up and down movement relative to the seat backrest. The headrest also includes a drive mechanism having a height adjustment drive system for controlling height adjustment of the headrest by moving a height adjuster section, and a fore/aft adjustment drive system for controlling fore/aft adjustment by moving the fore/aft adjuster section. The fore/aft drive system has an adjustment member constrained to up and down movement, and the adjustment member is engaged with the adjuster section so as to permit for/aft movement of the adjuster section relative to the adjuster section and the adjustment member.

Abstract: A headrest arrangement (22) for a vehicle seat is provided with at least one backrest (10) and a headrest device (14). A mechanical transmission device is included for transformation of a deformation of the backrest (10) into a movement of the headrest device (14).

Abstract: An adjustable headrest that provides both support and comfort to the user and one that can be used in connection with furniture including household and office furniture and also in connection with various types of passenger vehicles. The headrest and also includes slide means for permitting easy height adjustment of the headrest and also includes locking means for securely locking the headrest in a desired elevated position. Further, the headrest includes easily adjustable, wing-like, side-support members that are pivotally connected to a centrally located, vertically adjustable head support member by means of constant torque hinges and also includes easily adjustable chin support members that are pivotally connected to the side support members by means of constant torque hinges.

Abstract: A juvenile vehicle seat includes a seat bottom and a seat back extending upwardly from the seat bottom. A headrest is mounted to move in a recess formed in the seat back between lowered and raised positions. A headrest retainer is located in the headrest recess and configured to retain the headrest in either the lowered position or the raised position at the option of a user.

Abstract: A neck rest retraction device comprises a neck rest rod having stop notches engageable with a locking member, and an elongated actuator having a plurality of detent recesses formed thereon to be engaged with a detent member carried by an lower end of the neck rest rod. The gauge of the detent recesses corresponds to that of the stop notches. An original position of the neck rest rod, defined by engagement of the locking member with one of the stop notches, is thus memorized by engagement of the detent member with the corresponding detent recess when the actuator is forced to move downwardly. The original position of the neck rest rod is automatically restored in accordance with disengagement of the detent member from the corresponding detent recess when the actuator is released to move upwardly.

Abstract: A torso support assembly is adapted to be mounted to the back of the frame of a wheelchair. The assembly includes a longitudinally extending support tube which is removably attachable to the back of the wheelchair. Integral to the tube and located at each end of it is a quick release locking mechanism. At the ends of the support tube, and insertable within the ends of the support tube, is a pair of support rod members. Each support rod member is rotatable within its respective end of the support tube. Each support rod member is engagable with the quick release mechanism at one end and is fixably attached to a support arm at the other end. Each support arm includes a forwardly extending pad support member. At the end of each support member is mounted a pad member. Each pad member is limitedly rotatable about the pad support member such that its position is adjustable. Each pad member is movable inwardly and outwardly of the pad support member.

Abstract: A headrest support that absorbs impact occurring on the headrest in the direction of its height is provided with a spring structure formed vertically downward from a lower side of a lock piece retaining hole, which prevents the clattering of a tube body relative to a receptacle tube. Resin-made springs are formed between cutout grooves extending in an outer peripheral surface of the tube body substantially parallel in the up-down direction, which are easily assembled by a lock piece, the tube body and a spring.

Abstract: An adjustable backrest of a motor vehicle seat is provided. The backrest includes two vertical, laterally undivided stationary supportive areas, and a central supportive area arranged between them. The central supportive area includes an upper section, as a guided headrest, the height of which may be adjusted. The central supportive area, that is provided beneath the headrest, is embodied in such a way as to be divided horizontally into a lower and a central section. The lower section is arranged to be stationary and the central section is arranged such that its height may be adjusted.

Abstract: A head restraint assembly includes a curved support member for upwardly and forwardly deploying a headrest. The support member is selectively locked and unlocked to alternately maintain the headrest in a retracted position or deploy the headrest. A vehicle impact sensor signals the release of the support member when a vehicle impact is sensed. The headrest is deployed quickly and effectively until it reaches its potential full deployment, or until an occupant's head contacts the headrest.

Abstract: In a device for adjusting a vehicle's head support with reference to the position of a passenger's head, with a sensor disposed in the head support for detecting the position of the head, the sensor contains two condenser plates which are arranged one above the other and are part of a condenser, in which the head of the passenger acts as a dielectric. In the method for the adjustment of the vehicle's head support, the height is varied, starting from a rest position with the head support retracted, to such an extent that the increase of the sensor signal of the one condenser plate takes place simultaneously with the decrease of the sensor signal of the other condenser plate.

Abstract: This invention relates to a convertible head support for use by a child or an adult, particularly in an automotive vehicle, comprising a support (1) and a flap (2) hinged on the support around an axis (6) that is essentially horizontal from a high user position for an adult to a low user position for a child, said flap comprising a support body (11) that is generally flat and that on one of its faces has a head support surface for the adult and on its other face a head support surface for the child. The flap comprises two lateral flanges (12) that are essentially vertical and that extend from the edges of the support body (11) on the side of its face presenting the head support surface for the child and the support body (11) and the two lateral flanges (12) are complementary to said support (1) so as to fit around the support when flap (2) is in the high position.

Abstract: A vertically moveable headrest (2) is attached to a backrest (1) of a chair which may easily be adjusted in a vertical position to suit user's of differing heights. The backrest (1) includes a pair of upright rods (11) with each upright rod (11) having an annular groove (12). The headrest (2) includes a main body (21) which is configured to provide a support for the user's is head. For adjustment, fasteners (24) are loosened to disengage from the rods (11) and allow vertical movement of the headrest (2) relative to the rods (11) of the backrest (1).

Abstract: A seat for a means of transport, in particular a vehicle seat, comprising a seat part, a backrest, a backrest adjustment system (1) which connects the backrest to the seat part and which permits a forward pivoting of the backrest onto the seat part, a height adjustable headrest which is displaceably guided via at least one guide rod (10) in an associated guide receiver (11) in the backrest, and retaining means (30, 31) which are effective between at least one guide rod (10) and the associated guide receiver (11) and through which the guide rod (10) is releasably fixable at different heights against displacement, wherein, for avoiding a collision of the headrest with the vehicle roof, the guide receiver (11) for the guide rod (10) is formed so as to be retractable together with the guide rod (10) opposite to the extension direction (VI) of the headrest inwards into the backrest into a recessed position and back out again while the guide rod (10) is arrested by the retaining means (30, 31) relative to the guide

Abstract: A folding rear seat for vehicles, especially passenger vehicles and station wagons, includes a folding seat back and a height-adjustable neck support mounted on the seat back. The neck support is mounted on at least one support rod that supports a padded head rest and is held such that it can shift axially within a guide in the seat back. The head rest can be retracted from a temporary vertical position to a minimum possible distance between the padded head rest and the seat back in order to allow the seat back to be folded down.

Abstract: The instant invention pertains to a child car seat body including a headrest, an abdominal support and a mechanism interconnecting the abdominal support and the headrest such that as the headrest is lowered the abdominal support moves toward the headrest.

Abstract: A head restraint for a vehicle seat has a holding element which can be inserted into a seat backrest in a manner allowing it to be displaced vertically. A padding support is arranged on the holding element which holds a padded headrest intended for supporting the head. A pivoting device is arranged between the holding element and padding support and is intended for setting the inclination of the padded headrest about a rotational axis orientated transversely to the seat depth. In order to provide a head restraint which is anatomically shaped and can be set in height and inclination in such a manner that in every position it forms a continuation of the contour of the seat occupant's back, the padded headrest has a padded tongue which is pulled out downwards over the padding support for the purpose of supporting the back of the neck. The contour of the front surface of the padded headrest and padded tongue reproduces the profile of the back of the head and back of the neck.

Abstract: A desk chair has a sitting component, a headrest component adjoined to the sitting component and rotational relative to the sitting component, and a left armrest component and a right armrest component both adjoined to the sitting component and rotational relative to the sitting component. The sitting component seats a user of the desk chair and includes a reclining mechanism to enable a user to perform stretching and strengthening exercises for the abdomen of the user. The headrest component supports the head of a user of the desk chair and enables the user to perform stretching and strengthening exercises for the neck of the user. The left armrest component and the right armrest component support the arms of the user of the desk chair and enable the user to perform stretching and strengthening exercises for the chest, back, shoulders, arms and/or abdomen of the user. The user can also utilize the reclining mechanism to increase or decrease the range of motion of an exercise for the user.

Abstract: A headrest on a backrest of a vehicle seat is supported on a rocker that is pivotal round a pivot axis fixed on the backrest frame. The headrest is adjusted by an adjusting device that transmits an adjusting movement to the rocker via a movement-transmitting device.

Abstract: A head rest device for a vehicle seat includes a stay member supporting a head rest and attached to the upper portion of the seat back of the vehicle seat. The stay member includes a pair of stay shafts extending downwardly from the head rest. The head rest device further includes a position adjusting mechanism for adjusting the position of the head rest relative to the seat back. The position adjusting mechanism includes a drive motor, a drive shaft operatively connected to the drive motor and extending in the vertical direction of the vehicle, a vertically movable nut member in engagement with the drive shaft, a movable member secured to the nut member and vertically movable with the nut member, a guide member for guiding the vertical movement of the movable member, and a stopper member connecting the movable member with the lower end of the stay shafts of the stay member for restricting the position of the movable member.

Abstract: A vehicle seat with a back rest (72) in which a sliding guide (74) is provided, and with a headrest which is fixed to the back rest (72) by means of at least one guide rod (76) inserted into the sliding guide (74), and is provided with a functional unit (20, 23) which is connectable electrically with a base unit arranged outside the headrest, is characterized in that the guide rod (76) is used for the electrical connection of the functional unit.

Abstract: A headrest for simple-structured seat is provided. The headrest includes at least one pair of bar receivers and at least one pillow. Each of the bar receivers includes two wing portions and defines an insertion hole between the wing portions. The wing portions are provided with a plurality of fixing holes via which screws may be threaded into a rear side of a back of the seat so as to connect the bar receivers to the back of the seat. The pillow includes at least one pair of elastic bars downward projected therefrom for inserting into the insertion holes defined by the bar receivers on the back of the seat. The elastic bars automatically extend outward to tightly press against inner walls of the insertion holes and thereby firmly hold the pillow of the headrest to the back of the seat. The headrest may be easily installed on a seat for all kinds of vehicles.

Abstract: An adjustable headrest that provides both support and comfort to the user and one that can be used in connection with furniture including household and office furniture and also in connection with various types of passenger vehicles. The headrest includes slide means for permitting easy height adjustment of the headrest and also includes locking means for securely locking the headrest in a desired elevated position. Further, the headrest includes easily adjustable, wing-like, side-support members that are pivotally connected to a centrally located, vertically adjustable head support member by means of constant torque hinges and also includes easily adjustable chin support members that are pivotally connected to the side support members by means of constant torque hinges.

Abstract: A height adjusting device includes a mounting frame adapted to be secured to a seat member of a chair and provided with a plurality of retaining holes in an upright direction. A sliding member is adapted to be secured to a backrest member of the chair, and is mounted to be slidable relative to the mounting frame in the upright direction. The sliding member includes an upper portion which defines a passageway, and a lower portion. A lever member is pivotally mounted on the lower portion at a fulcrum and about a pivotal axis transverse to the upright direction, and includes actuating and retained ends respectively at two opposite sides of the fulcrum. The lever member is disposed such that the retained end is extendable through the passageway to be retained in one of the retaining holes, when the actuating end is manually operated to turn the retained end about the pivotal axis. A biasing member is disposed to bias the retained end to extend through the passageway.

Abstract: A system for the displacement of a neck rest in response to the displacement of a vehicle seat in an automobile, wherein the neck rest is mounted to a first structural part which is height-displaceably mounted to a second structural part, the latter being fixedly secured to the rest of the seat, the system having the following features: