Abstract: A dental patient chair has an adjustable headrest on a headrest carrier. The headrest is pivotably hinged around a transverse first axis on a bracing member which, in turn, is adjustable in the longitudinal direction in the backrest. In addition, the headrest is connected by a linkage which is pivotably connected on a second axis offset from the first axis so that movement of the linkage causes tilting of the headrest. The linkage is shifted as the headrest carrier is extended and contracted.

Abstract: A headrest mechanism suitable for use in a seating unit comprising a headrest plate movable between a retracted position and an extended position having a lower front edge, means for actuating the headrest plate between the retracted position and the extended position pivotally interconnected to the headrest plate, and means for fixedly mounting the headrest mechanism onto the seating unit pivotally connected to the actuating means is disclosed. In the retracted position, the headrest plate is disposed generally horizontally, with the lower front edge being separated from a fixed point on the mounting means by a first distance, and in the extended position, the headrest plate is disposed generally vertically, with the lower edge being separated from the same fixed point on the mounting means by a second distance, the second distance being substantially greater than the first distance.

Abstract: The left and right side linkages of a mechanism for a reclining chair are provided with respective pantographic linkage systems. An actuator link is provided for each, which causes the headrest which is mounted to the upper end of each such linkage system to rotate relatively forwards by about 90 degrees as the backrest is reclined as the chair goes from its fully erect to its TV and fully reclined positions. The mechanism provides low back, wall-saver operation for the chair reclining function without necessitating a thick or oddly appearing style.

Abstract: A headrest support assembly for a recliner chair includes mirror-image right and left support subassemblies that each include first and second support links that are pivotally connected at their upper ends to mounting brackets that can support a headrest of the chair, and upper and lower swing links that are pivotally connectable to corresponding first ends to the backrest frame of the chair and at corresponding second ends to the first support link. A pin extending from a lower end of the second support link extends in an opening along the length of the upper swing link. An actuator link which is movable by a support carriage of the chair is connected to the lower swing link to cause the links to shift between a retracted condition wherein the supported headrest faces upwardly and a deployed condition wherein the supported headrest faces forwardly of the chair.

Abstract: A mechanism for reclining a back of a sitting part of a baby carriage as well as head protection plate attached to the back. The mechanism includes an engagement member disposed on a rear of the back and having a plurality of notches arranged vertically with respect to one another; a support rod pivotally coupled to opposite sides of the seat and extending across the rear of the back, the support rod being pivotable up and down with respect to the back; and a stopper attached to the support rod and having an engagement rod attached thereto which is engageable with the notches of the engagement member. The engagement rod is movable up and down along the back in correspondence with the pivotable movement of the support rod such that the back is supported at a selected position by engaging the engagement rod is one of the notches.

Abstract: Disclosed herin is a reclining seat which is suited for a rear seat of a passenger motor vehicle.

Abstract: A reclining chair has a headrest upholstered directly to the front edge of the back of the chair which is automatically adjustable with respect to each of the positions of the reclining chair. The headrest is adapted to move between a position wherein it lies generally flat rearwardly of the back and a position wherein the headrest swings forwardly into a position to comfortably support the user's neck. In order to coordinate movement of the headrest between the positions of the chair, the chair includes a contoured moveable rear support member.

Abstract: A pivoting top rail headrest for an incliner seat is provided in which the top rail is secured to the top of the fixed back and spans a gap between a fixed back and a backrest when the seat is in an upright position. The top rail pivots downwardly when the body support is moved to a reclining position, and serves as a headrest extension and covers the gap by forming a generally continuous line between the moveable backrest and the top of the fixed back.

Abstract: A reclining armchair having a seat articulated to a reclining chairback. The chairback is provided with a lower extension interlinked to a foot rest and articulated to the seat. An adjustable head support is assembled over the chairback. The seat (10) and the chairback (20) are articulated to the chassis (50) by pairs of lateral rods (11, 12). The lower end of the head support (40) is articulated to the chassis (50) and to the seat/chairback articulation point by erection rods (42) and erection arms (43) respectively. Movement of the armchair is controlled by a command lever (60) articulated to one lateral column of the chassis (50) and interlinked to the lower end of the chairback (20).

Abstract: A headrest apparatus for vehicles comprises a pair of guide rails connected to a seatback frame, a pair of stays connected to the headrest, a pair of shoes moving along the guide rails, a rod connected at its ends to the shoes, means for moving the rod in an upward and downward direction, a cam member attached at an upper portion of each guide rail for urging the shoes in a horizontal direction and the headrest in an inclined position, and a spring member positioned on the shoes and biasing the shoes in the opposite direction of the direction in which the headrest is urged in the inclined position.

Abstract: A headrest tilting mechanism includes a bar having first and second ends, with a headrest mounting portion proximate the first end and a substantially straight portion proximate the second end. A support means includes a curved cam surface and a pin having ends rotatably coupled to the support means. The pin has a cross-slot therethrough and a portion of the bar which is intermediate the first and second ends passes through the cross-slot. A cam following means attached to the bar proximate the second end causes the second end to follow the cam surface of the support means. With this arrangement, the curved cam surface is not located at the very top of the chair back and therefore the head of the patient can be significantly closer to the lap of the dentist than prior art arrangements.

Abstract: A headrest tilting mechanism includes a curved bar having first and second ends, with a headrest mounting portion proximate the first end and a cam following means proximate the second end. A support means includes a curved cam surface which is engaged by said cam following means, and a pin. The pin slidably engages a portion of the bar which is intermediate the first and second ends so as to allow said bar to be slidable with respect to said support means. The cam following means causes the second end to follow the cam surface of the support means when said bar is slid with respect to said support means. With this arrangement, the curved cam surface is not located at the very top of the chair back and therefore the head of the patient can be significantly closer to the lap of the dentist than prior art arrangements. Furthermore, due to the curvature of the bar, the degree of curvature of the cam following surface can be reduced.

Abstract: The present invention relates to an operating device for a seat, an armchair or a couch, where the angle between the base (3) and the back(4) can be modified, so that the user can move from a sitting position to a position of relaxation, merely through the action of his body. The invention provides a retractable supporting means for the small of the back comprised of a flap (10) pivoting around an axis (11) and of a support (32) with a roller (33), integral with the base, and capable of positioning the retractable supporting means for the small of the back by pivoting the flap as the displacement of hte user's body proceeds.

Abstract: A reclining mechanism for controlling the inclination angle of a back rest in a baby carriage includes a horizontal cross bar connected to two vertical frame bars to form a U-shape. On the back of the backrest, a rack having several horizontal grooves can selectively engage the cross bar. A vertically movable releasing plate has inclined surfaces so that the cross bar can be raised out of the grooves against the biasing force of a pressure plate. The cross bar is connected to a head protection plate which rotates and closes off the top of the back rest when the back rest is reclined by sliding the cross bar down the rack.

Abstract: A speaker headrest is composed of a frame and a concave front surface to support the user's head through a cushion and members flanking the frame and rotatably attached thereto. Speakers contained in these flanking members are pressed against the user's ears when the user's head is moved backward to rest against the frame, thereby pushing lever plates attached to the flanking members backwards and causing the flanking members to rotate around their supporting axes of rotation.

Abstract: A headrest apparatus for vehicles comprising a pair of guide rails connected on a seatback frame and a pair of stays connected to the headrest. A pair of shoes are positioned for movement along the guide rails with each of the shoes supporting a separate one of the stays. A rod member which is connected at its ends to the pair of shoes, and means for moving the rod in an upward and downward direction are provided. The upward and downward movement of the rod moves the shoes in their respective guiderails to raise and lower the headrest. A cam member is attached at an upper portion of each said guide rail for urging the shoes along a selected path and the headrest to an inclined position.

Abstract: In a one-way recliner chair of the type having a stationary backrest frame which extends upwardly behind a movable backrest, a headrest is mounted on the top of the stationary backrest frame for movement between a retracted position when the chair is in the normal position, and a projected position when the chair is in the reclining position. The headrest is automatically actuated between the aforesaid positions by means of a linklage interconnecting the headrest and the movable backrest upon movement of the latter between a normal or generally upright position and a reclining position.

Abstract: The structure (1) supporting the body on the seat is subdivided into a front seating part (2) articulated on the frame (5), a back (4) articulated on a bracket (10) which is itself articulated on the frame, and a rear seating part (3) articulated between the back (4) and the front seating part (3). A non-rigid connection (14) is provided between the rear seating part (3) and the bracket (10).

Abstract: A wheelchair having a backrest assembly that is pivotally connected adjacent the rear end of its seat frame. The back assembly has a rear panel fixedly attached thereto and there is structure on the front surface of the rear panel which connects to structure on the rear surface of the front panel which allows the front panel to reciprocally travel upwardly and downwardly with respect to the rear panel. There is structure for forcing reciprocal movement of the front panel and this is attached to the rear surface of the front panel and this is made possible by the cutout slot in the rear panel. The wheelchair has structure for forcing the back assembly to recline rearwardly and this is coupled together with the structure for forcing the reciprocal movement of the front panel of the back assembly so that their travel is coordinated to operate together.

Abstract: A reclining chair having a seat portion connected pivotally at its forward end includes an arm compressible with progressive resistance to support the rear of the seat portion. The compressible arm is arranged to form with the seat portion an angle which continually decreases as the chair is reclined, and continually increases as the chair is returned to its upright position. In one embodiment, the compressible arm travels through a horizontal position so that it may be kept as close as possible to the horizontal at all times.

Abstract: A headrest arrangement to be mounted on a backrest of a chair, especially a wall-proximity reclining chair, includes a support consisting of two support members which are articulately connected to one another, and a kinematic linkage which mounts the support on the backrest for movement between a retracted and an extended position. The headrest arrangement further includes a cushion member which is affixed to the upper one of the support members, and a connecting link which connects the upper support member to the kinematic linkage and causes the upper support member to conduct angular movement relative to the lower support member which is mounted on the kinematic linkage, during and in dependence on the movement of the kinematic linkage. In the retracted position, the support members form continuations of one another and extend across the open end of a recess in the backrest which accommodates the cushion member and the kinematic linkage.

Abstract: In a motorized reclining chair including a chair frame having arms the improvement comprising the unique mounting of a movable back and seat portion, an ottoman and a headrest thereon, whereby totally independent adjustment of those elements may be accomplished within predetermined limits by the user. Movement of the elements of the improved reclining chair is accomplished by selectively actuating any combination of three electric motors provided for this purpose. By virtue of this construction the user of the chair may repose in any of a great variety of positions varying from a substantially erect, seated position to a fully reclined, substantially supine position.

Abstract: A reclining chair includes a seat including a rearward portion pivoted for reclining of the chair and a backrest having an upper portion linked to the seat for pivotal motion therewith. The necessary linkage is provided by rigid arm portions of the chair, and the seat and backrest include load-bearing diaphragms conforming to the user's body during the full range of motion of the chair.

Abstract: A chair type article of furniture has a seat member which is movable generally horizontally and a back rest which is supported at a lower portion thereof for generally horizontal movement with the seat member and is also articulated to the frame of the article of furniture at a location above the lower portion thereof for rearward reclining when the seat member moves forwardly. An improved support is provided for the lower back region of a seated person, including a back plate positioned forwardly of the back rest, a lower portion of the back plate being supported for generally horizontal movement with the seat member, and the back plate being supported by the back rest at a location above the lower portion of the back rest for rearward reclining of the back plate when the back rest reclines rearwardly.

Abstract: A headrest control device for a treatment chair in which the headrest contains a linkage capable of raising and lowering a head supporting portion of the headrest in synchronized interlocking relationship with the tilting of the headrest. The device facilitates the bringing of the head supporting portion into firm contact with the rear neck region of the patient thereby making it possible for him to open his mouth in a natural posture when he undergoes oral treatment with the backrest of the treatment chair being held approximately horizontal and the headrest being slightly forwardly tilted.

Abstract: A safety headrest is via a holding means connected to the back support of a vehicle seat. The holding means allows the headrest to be adjusted in height relative to the seat. From a web portion on the headrest a forward and a rear leg portion extend downwards so as to embrace the top of the back support to the front and to the rear. In the lowermost position for the headrest said web portion rides on top of the back support. A frame structure of the headrest is connected to a bar slidable in the back support. In an embodiment said bar is adapted for travel under the action of a remote-controlled adjusting mechanism.

Abstract: An automobile driver or passenger seat which is adjustable in the lengthwise direction of the vehicle and has a backrest and headrest supported on the backrest and vertically adjustable in relation thereto. The position of the headrest is adjusted automatically to its optimum position in response to the back and forth movement of the seat, for moving the headrest upwardly away from the backrest when the seat is moved backward, and for moving the headrest downwardly when the seat is moved forwardly. Thus, the headrest will automatically be adjusted to the correct height of the passenger occupying the seat, as he adjusts the position of the seat itself. In one form of the invention, the adjustment mechanism is hydraulic and includes a pair of hydraulic cylinders, one cylinder actuated in response to movement of the seat, and the other cylinder, attached to the headrest, actuated in response to movement of the piston in the first piston and cylinder unit.

Abstract: A chair for hypnotherapy of a patient suffering from a mental or physical disorder caused by stress, wherein as the position of the chair and consequently that of the patient seated therein are changed alternately between a first position wherein he is relaxed sitting upright and a second position wherein he is tensioned having the upper half of his body thrown back, he is hypnotized by the help of verbal suggestions and mechanical stimuli simultaneously given and applied to him. While he is in the state of hypnosis, verbal suggestions are given to him so as to remove from his subconsciousness those factors that are causing the disorder.

Abstract: A handle-operated, wall-avoiding, recliner chair having a headrest which during normal or upright position of the chair is concealed behind the backrest but which is extended upon movement of the chair to TV position or to reclining positions to support the head and upper regions of the back of the chair occupant. The chair is moved into TV position, that is, with the footrest extended, by means of a handle mounted on the side of the chair. The headrest is mounted to the backrest by a linkage which is actuated to extend or retract the headrest by means of a headrest actuating linkage connected to the handle to be driven thereby when the chair is moved to the TV position. The headrest mounting linkage is also actuated when the chair is moved to advanced reclining positions, beyond TV position, to further position the headrest in harmony with the advanced reclining position of the chair.

Abstract: A tilting, adjustable passenger seat back is provided with an angularly adjustable upper headrest section which has tilting linkage and a hinge connection to the upper part of the seat back such that when the back is in a generally upright position, the headrest section is back and out of the way of a passenger's head and shoulders; however, when the seat back is moved to a recline position, the headrest section will rotate forward to provide support for the head while the passenger is in the recline position. A modified construction also has additional linkage which provides for a lumbar support that moves along with recline movement to be primarily effective to adjust seat back cushioning for upright positioning of the seat back and out of the way for the recline position.

Abstract: A lowback reclining chair with a concealed headrest positionable in close adjacency to a room wall when in upright sitting position and yet so structured as to allow ready assumption of any of a variety of reclined positions of occupancy without physical contact of any element thereof with the same room wall, the chair envisioning a combination of kinematically related components comprising a base, a chassis movable relative to the base, and a body-support movable between sitting and reclining positions relative to the chassis with concurrent movements of a legrest and a headrest each between retracted and extended positions respectively, a main drive link connecting between the body-support and base for propelling the chassis relative to the base forwardly and progressively away from the wall as the body-support is moved from upright sitting position to progressive positions of reclination while the body support is concurrently moved rearwardly relative to the chassis but yet away from the room wall, and for

Abstract: This chair is a rester which can move from upright position to T.V. position and then to fully reclined position. It has a legrest which is projected when moving from upright position to T.V. position, and retracted when going from T.V. position back to upright position. It also has a headrest which normally lies inside the backrest of the chair, when the chair is in upright position, and which swings out and projects up above the backrest, when the chair moves from upright to T.V. position. The headrest is retracted downwardly and returns into the backrest when the chair is moved from T.V. position back to upright position.

Abstract: In this chair, the hardware has means to hold the seat against backward movement, while allowing movement of the seat up and down and forwardly. The headrest and legrest are projected when going from upright to T.V. position and the headrest and legrest remain in projected position when going from T.V. position to fully reclined position and from fully reclined position back to T.V. position; and they are retracted when going from T.V. position back to upright position.