Abstract: The load applied to a connecting member that connects a second horizontal shaft to a base member in a headrest for a vehicle is reduced. The headrest comprises a pillar member including a right and a left vertical shaft extending upward from an upper part of a seat back, a right and a left first horizontal shaft extending forward from upper ends of the respective vertical shafts, each first horizontal shaft including a curved section, and a second horizontal shaft extending laterally between front parts of the first horizontal shafts, a base member including a base vertical portion extending vertically ahead of the vertical shafts, a base upper portion extending rearward from an upper end of the base vertical portion, and a right and a left first hole formed in the base upper portion to have the respective curved sections or the respective vertical shafts passed therethrough, a connecting member pivotably connecting the base upper portion to the second horizontal shaft, and a pad supported by the base member.

Abstract: A dynamic damper is provided which includes a weight, an elastic member that supports the weight so as to allow vibration, and a damper case that houses the weight and the elastic member, wherein the dynamic damper also includes corner part checking means for checking at least some corner parts among corner parts where at least one end face of the weight and first and second side faces that are each continuous from the one end face and are adjacent to each other meet. This enables the ease of assembly to be enhanced by enabling a corner part of a weight to be checked when assembling the weight into a damper case, and also enables the state in which the elastic member is mounted on an end part of the weight to be easily checked.

Abstract: A seat device for a vehicle includes a dynamic damper attached to a frame of a seat installed in the vehicle. The dynamic damper includes a damper case that is formed from separable first and second case halves, a weight that is housed in a damper chamber, and an elastic member that is disposed between the weight and the damper chamber so as to allow vibration of the weight. The damper case is provided with a plurality of mounting parts that are mounted on the frame, and the mounting parts comprise first and second mounting parts which are engaged with the frame at two left and right places as seen in a front view of the seat, and a third mounting part other than the first and second mounting parts which is provided between the first and second mounting parts.

Abstract: A headrest including a resilient headrest structure. The resilient headrest structure has a resilient headrest structure surface. The resilient headrest structure surface defines a non-planar contour, in particular an arcuate contour, when the resilient headrest structure is fixed between two points. The resilient headrest surface defines a planar contour when the resilient headrest structure is released. Due to the material properties of the resilient headrest structure, the resilient headrest structure surface automatically returns to the planar contour from the non-planar contour when the resilient headrest structure is released.

Abstract: A seat device for a vehicle includes a dynamic damper attached to a frame of a seat installed in the vehicle. The dynamic damper includes a damper case that is formed from separable first and second case halves, a weight that is housed in a damper chamber, and an elastic member that is disposed between the weight and the damper chamber so as to allow vibration of the weight. The damper case is provided with a plurality of mounting parts that are mounted on the frame, and the mounting parts comprise first and second mounting parts which are engaged with the frame at two left and right places as seen in a front view of the seat, and a third mounting part other than the first and second mounting parts which is provided between the first and second mounting parts.

Abstract: A headrest includes a stay, a skin material, a cushion material and a dynamic damper. The cushion material is foam-molded integrally with the stay inside the skin material, and has a hollow portion therein. The dynamic damper is attached to the stay, and is disposed in the hollow portion in such a manner as not to abut on the cushion material.

Abstract: A seat device for a vehicle includes a dynamic damper attached to a frame of a seat installed in the vehicle. The dynamic damper includes a damper case that is formed from separable first and second case halves, a weight that is housed in a damper chamber, and an elastic member that is disposed between the weight and the damper chamber so as to allow vibration of the weight. The damper case is provided with a plurality of mounting parts that are mounted on the frame, and the mounting parts comprise first and second mounting parts which are engaged with the frame at two left and right places as seen in a front view of the seat, and a third mounting part other than the first and second mounting parts which is provided between the first and second mounting parts.

Abstract: A seat thermal conditioning device includes a seat portion having a vent configured to provide conditioned air to a seat occupant neck area. A thermoelectric module is arranged in the seat portion. The thermoelectric module is configured to both heat and cool an air supply to provide the conditioned air.

Abstract: In a seat device for a vehicle, a dynamic damper comprises a damper case that is formed from first and second case halves joined together so as to be capable of separating from each other to define a damper chamber therebetween, a weight that is housed in the damper chamber, and an elastic member that is disposed between the weight and an inner face of the damper chamber so as to allow vibration of the weight, the damper case being provided with a mounting part that is mounted on a frame of the seat. Thus, it is possible to provide a seat device for a vehicle in which replacement of a weight and an elastic member in order to adjust or change the damping characteristics is possible, and the ease of mounting a damper case on a seat is good.

Abstract: In a seat device for a vehicle, a dynamic damper comprises a damper case that is formed from first and second case halves joined together so as to be capable of separating from each other to define a damper chamber therebetween, a weight that is housed in the damper chamber, and an elastic member that is disposed between the weight and an inner face of the damper chamber so as to allow vibration of the weight, the damper case being provided with a mounting part that is mounted on a frame of the seat. Thus, it is possible to provide a seat device for a vehicle in which replacement of a weight and an elastic member in order to adjust or change the damping characteristics is possible, and the ease of mounting a damper case on a seat is good.

Abstract: A vehicle seat provided in a vehicle includes a headrest with a pad in which an insert member is provided at a portion at which a head of an occupant is received. The insert member has rigidity that is higher than rigidity of the pad. When a rear-side collision occurs in the vehicle in a state in which the head of the occupant is away from the headrest and an inertia force applied to the occupant, the insert member allows the head of the occupant to sink into the headrest after the head of the occupant comes in contact with the headrest.

Abstract: A back support cushion device includes a support member, at least one cushion assembly, and at least one elastic assembly. The support member includes a first groove. The cushion assembly includes a second groove. The elastic assembly is located between the support member and the cushion assembly and includes an elastic member, and first and second members. The elastic member includes first and second portions. The first portion is engaged into the first groove, and the second portion is engaged into the second groove. The first member includes a first end disposed in the first portion and a second end connected to the first groove. The second member includes a first end disposed in the second portion and a second end connected to the second groove.

Abstract: A carry-on passenger seat adapted to mount upon a support pedestal in an aircraft, the seat including a seatback pivotably connected to a seat bottom such that the seatback is configured to fold against the seat bottom, and an elongate slot formed in an underside of the seat bottom, an elongate member of the support pedestal adapted to be received through the elongate slot and rotated relative thereto to prevent the seat bottom from being pulled apart from the support pedestal.

Abstract: A headrest assembly for assisting individuals with hypertonic extension pattern provides a pivoting support that better matches the pivoting motion of the patient's head in backward extension. A restoring spring absorbs and dissipates the energy of the extension and provides adjustable spring restoring force.

Abstract: A head restraint with a basic structure which serves to adjust the head restraint and to receive a person's head. The basic structure has a holding structure and at least one framework structure, wherein the framework structure has flexurally elastic flanks and deflectable cross struts which lie between the flanks and are arranged on the flanks via an elastic connector, as a result of which a force pulse which acts on the cross struts of the at least one framework structure via a flexurally elastic flank and which acts on a front side of the at least one framework structure from one direction causes a compensating, autoreactive deformation of the at least one framework structure at another point in the opposite direction.

Abstract: A head restraint assembly is provided with a first guide member mounted proximate to a vehicle seat back. A second guide member is mounted to the first guide member for translation along the first guide member. A locking mechanism is mounted to the second guide member in cooperation with the first guide member for locking the second guide member relative to the first guide member. The first and second guide members are the only guide members to minimize binding. The locking mechanism includes a torsion spring connected to the first guide member and oriented about the second guide member for locking the second guide member relative to the first guide member. A lever is mounted to the torsion spring for unlocking the torsion spring.

Abstract: Two headrest stays-are supported such that, when the tilting amount in the seat front-rear direction of the headrest stays-relative to a seatback frame is within a specified range, the support stiffness of a headrest relative to the seat front-rear direction is reduced in comparison to when the tilt amount is outside the range. The two headrest stays are secured to be swingable in the seat front-rear direction in the headrest.

Abstract: A headrest support structure includes: a metal tubular support bracket configured to be provided in a seatback frame; a resin headrest support configured to support a headrest stay and inserted into the support bracket; and a spring disposed between the support bracket and the headrest support. The headrest support is elastically supported in a swingable manner relative to the support bracket so as to make a headrest function as a dynamic damper. The spring is a metal leaf spring provided integrally with the headrest support.

Abstract: [Problem] To provide a comfortable backrest chair. [Solution] A shape retaining material is formed to have radial cores 12 distributed and radially extending upward from a base plate adjacent a cut hole 4 to be fitted on a chair support frame, and a first and a second reinforcing cores 13 and 14 arranged adjacent the base plate of the radial cores 12. A core sheet is formed by attaching a first, a second and a third mesh sheets 9 to the shape retaining material. A chair sheet material is formed by attaching a first and a second buffer sheets 15 and 16 and an outer surface side buffer sheet 7 to the core sheet. A backrest portion of the chair sheet material is constructed to have a larger right and left width than the breadth of a seated person's shoulders, and when the load of the seated person is applied, right and left opposite ends of the backrest portion can be displaced in directions to approach each other due to elasticity of the core sheet.

Abstract: A vehicle seat includes a seat bottom and a seatback operatively coupled to the seat bottom. The seatback includes a substantially rigid polymeric substrate and an outer layer covering the polymeric substrate.

Abstract: A head and neck restraint system includes a vertical support and a head and neck restraint assembly coupled to the vertical support. The head and neck restraint assembly includes a pair of spaced members coupled to the vertical support. The pair of spaced members have a spring memory that permits movement of one of said members toward and away from the other member or movement of both of said members toward and away from each other. One or more spring biased wedges avoid the spring memory from returning one or both of the spaced members to a starting position after movement of one of the members toward the other member or movement of both of the members towards each other.

Abstract: A head restraint is supported by a vehicle seat assembly having a support structure including a guide. The head restraint is movable between a design position and a stowed position. The head restraint has a support member that is received in the guide, a head restraint body attached to the support member, and a locking mechanism. The support member moves with respect to the guide to translate the body with respect to the support structure. The body rotates with respect to the support member. The locking mechanism locks the body in the first or second position.

Abstract: A vehicle seat headrest assembly (20) includes a headrest (21) having a rear headrest portion (28) with a housing (29) mounted on vertical posts (26) for vertical movement and also includes a front headrest portion (30) having a housing (31) movable longitudinally in forward and rearward directions by a support linkage (46) under the control of a rack and pinion mechanism (62). A first helical spring locking clamp (44) permits upward adjusting movement of the headrest but normally prevents downward movement, and a second helical spring locking clamp (72) permits forward movement of the front headrest portion housing (29) while normally preventing rearward movement. An actuator (36) releases the first and second helical spring locking clamps (44 and 72) to permit downward movement of the headrest (21) and rearward adjustment of the front headrest portion (30) housing (31).

Abstract: A seat assembly having a guide bushing. The guide bushing has a body and a biasing member. The body has an opening for receiving a support post and first and second engagement features that are configured to flex. The biasing member exerts a biasing force on the first and second engagement features to bias the first and second engagement features.

Abstract: A vehicle seat including: a seat back; and a headrest that is provided to an upper part of the seat back, the headrest including, a frame that is supported to be vibratable with respect to the seat back, a headrest body that is mounted on the frame, a first cover and a second cover that nip and hold the frame in cooperation with each other in the headrest body, and a mass body that is held between the first cover and the second cover.

Abstract: A headrest with a function of a dynamic damper that damps vibrations of a vehicle seat, and provide the headrest with an impact absorbing function with respect to a head portion of a seated vehicle occupant. A stay of a headrest is held at a seat back, and a cover, that covers at least a portion of the stay, is supported at the stay so as to be swingable in a seat front-rear direction around a seat transverse direction. Due to a torsion coil spring (an elastic member) elastically deforming when the cover swings, restoring force in a direction opposing a swinging direction of the cover is generated. Further, displacement other than in the swinging direction is suppressed by a suppressing portion that is provided between the stay and the cover.

Abstract: A vehicle head restraint assembly includes a head restraint body for providing support to a vehicle occupant's head and a lower frame assembly for mounting the head restraint body to an associated vehicle structure. The head restraint body is longitudinally adjustable relative to the lower frame assembly. An upper frame assembly can be secured to the head restraint body and movably secured to the lower frame assembly for longitudinally adjusting the head restraint body relative to the lower frame assembly.

Abstract: A seat assembly having a seat back and a head restraint assembly disposed on the seat back. The head restraint assembly includes a support post and a headrest disposed on the support post. The headrest is inhibited from moving away from a head of a seat occupant until the headrest is actuated toward the head of the seat occupant.

Abstract: A head restraint with a basic structure which serves to adjust the head restraint and to receive a person's head. The basic structure has a holding structure and at least one framework structure, wherein the framework structure has flexurally elastic flanks and deflectable cross struts which lie between the flanks and are arranged on the flanks via an elastic connector, as a result of which a force pulse which acts on the cross struts of the at least one framework structure via a flexurally elastic flank and which acts on a front side of the at least one framework structure from one direction causes a compensating, autoreactive deformation of the at least one framework structure at another point in the opposite direction.

Abstract: A headrest (10) for a vehicle seat has at least one base (11), such as a support rod or the like. A main body (12) is held on the base (11). A support part (13) having a head support surface (44) can move relative to the main body (12) forward in the forward direction (x) toward the back of the head of the vehicle occupant and back in the rearward direction (z). The main body (12) is movable on the base (11) and can be shifted by at least one rotatable transmission element (K1; 28, 30) in the forward direction (x) and in the rearward direction (z). At the same time, the support part, which moveable in the same direction with the main body (12) in the forward direction (x) and the rearward direction (z), is pivoted on the same rotatable transmission element (K1; 28, 30).

Abstract: A head restraint for a vehicle seat includes a first subsection facing the occupant's head, and is displaceable due to application of a predetermined force. A third subsection includes a central hub portion that supports the second subsection. The second subsection is arranged between the first subsection and a third subsection, and is mounted to the central hub portion of the third section and the first second and third subsections are rotatably displaceable about an axis of rotation that is parallel to the direction of displacement (C). A blocking device includes a toothed portion complimentarily engaged with a spacer device on the third subsection and having a resilient member preventing engagement of the toothed portion by the spacer device when the first subsection is not subjected to the application of the predetermined force, and also controls movement of the first subsection counter to a direction of displacement.

Abstract: A headrest with a function of a dynamic damper that damps vibrations of a vehicle seat, and provide the headrest with an impact absorbing function with respect to a head portion of a seated vehicle occupant. A stay of a headrest is held at a seat back, and a cover, that covers at least a portion of the stay, is supported at the stay so as to be swingable in a seat front-rear direction around a seat transverse direction. Due to a torsion coil spring (an elastic member) elastically deforming when the cover swings, restoring force in a direction opposing a swinging direction of the cover is generated. Further, displacement other than in the swinging direction is suppressed by a suppressing portion that is provided between the stay and the cover.

Abstract: A headrest for a vehicle. A supporting body is mounted on a backrest of the seat, and a head support is adjustable and arrestable relative to the supporting body along a horizontal axis. The headrest includes a first arresting mechanism and second arresting mechanism that is disposed parallel to the horizontal axis and is provided with arresting stages. For an arresting of the head support on the supporting body, the first arresting mechanism is configured to engage into the second arresting mechanism under the effect of a biasing force. The first arresting mechanism is further configured such that it can travel over an angle of rotation about the horizontal axis counter to the biasing force.

Abstract: A vehicular seat capable of effectively mitigating lateral direction vibrations is provided. In the present vehicular seat (10), a pair of leg portions (32A) of a headrest frame (32) are coupled to a seatback frame (20) to be relatively turnable about a longitudinal direction axis of a seatback (18). Joint portions 32C are provided between the pair of leg portions (32A) and a middle portion (32B) of the headrest frame (32). Thus, the headrest (14) is made turnable to left and right with respect to the seatback (18). Furthermore, the headrest (14) is urged toward a middle position of the range of turning with respect to the seatback (18) by rubber members that are provided between a headrest support (24) and a support bracket (20C). Thus, when lateral direction vibrations are applied to the present vehicular seat (10), the headrest (14) functions as a dynamic damper.

Abstract: A vehicle head restraint assembly may be provided with a support rod adapted to be mounted to a seat back of a vehicle seat. A rear housing may be mounted to the support rod. A front housing may be pivotally connected to the support rod. A locking arm may be mounted to one of the support rod and the front housing. A release mechanism may be mounted to one of the front housing and the rear housing and operably engaged with the locking arm. Actuation of the release mechanism may disengage the locking arm to pivot the front housing forward relative to the support rod.

Abstract: A pivoting headrest assembly having a pivotally supported and cable actuated hook secured to fixed bracket. The hook engages a pin associated with a widthwise extending and upwardly biased support secured within a pair of side channels associated with the fixed bracket. Upon triggering the release of the hook, the support is upwardly displaced within the side channels. A pair of end supported pivotal linkages are secured in coaxial fashion with the ends of the displaceable support. Upper ends of the linkages pivotally engage a base plate of an upper pivotally driven headrest bun support offset from a pivotal engagement established between the base plate and upper end of the headrest bracket. The linkages are configured so that upward displacement exerted by the support is converted to the forward dump rotation of the headrest bun support.

Abstract: A vehicle head restraint assembly is provided with a first guide member mounted proximate to a vehicle seat back and a second guide member mounted to the first guide member for movement in fore and aft direction. One of the guide members has a series of notches. A head restraint is mounted to the second guide member. A locking mechanism is mounted to the other guide member for extending into one of the notches. A biasing member biases the locking mechanism in engagement with the notches. An actuator is mounted to one of the guide members for actuation from one lateral side of the head restraint and cooperates with the locking mechanism such that linear actuation of the actuator from one lateral side results in symmetrical compression of the biasing member for disengaging the locking mechanism from the notches for permitting fore and aft adjustment of the head restraint.

Abstract: A headrest assembly in combination with a vehicle seat (5), the headrest assembly comprising a head/neck support cushion (10) and adapted so that the cushion (10) can be positioned in a location wherein no portion of the headrest assembly blocks the outside view of a driver. According to some embodiments the cushion (10) is manually positionable outside the driver's view, whereas in other embodiments the cushion (10) is automatically positionable.

Abstract: A seat assembly having a moveable headrest assembly disposed on a support post. The headrest assembly has a latching mechanism configured to engage the support post to inhibit movement of the headrest assembly in a first direction.

Abstract: Detailed are head rest mechanisms and assemblies containing a flexible collar. Portions of the collar may be moved independently from other portions and may pivot or otherwise move both forward of the seat back and vertically under passenger control. Also described are slide assemblies containing deformable projections for use with vertically-adjustable head rests.

Abstract: A headrest set for office chairs includes a bracket whose lower end is fastened on a rear side of a seat back while a top end of the bracket connects with and supports a backside plate of the headrest, a headrest, and an elastic buffering member arranged between the backside plate of the headrest and the top end of the bracket. By deformation of an elastic member, the headrest set has buffering effects. When the user's head suddenly leans against a headrest surface or the user changes the posture from sitting to reclining, the impact caused by the reaction force of the headrest surface is buffered and the headrest surface is automatically adjusted so as to enhance comfort of the headrest.

Abstract: A seat assembly having a headrest for supporting the head of a seat occupant. The seat assembly includes a seat back, a support post disposed on the seat back, a headrest being moveably disposed on the support post, and a latch mechanism moveable between a latched position and an unlatched position. The headrest is simultaneously moveable in multiple directions when the latch mechanism is disposed in the unlatched position.

Abstract: A biarticulating headrest having a chair mount adapted for attachment at one end thereof to a back support section of a chair. The headrest includes a base plate on the backside thereof. One or more headrest mounts can be attached to the base plate at a first end thereof. A first axis can be attached to a second end of one or more of the headrest mounts and a second axis can be attached to a second end of the one or more chair mounts. The headrest includes a biarticulating headrest locking mechanism, wherein the positioning assembly is movably engaged to the first axis at a first end and to the second axis at the second end thereof.

Abstract: An adjustable linkage to support an object comprising a pair of arms rotatable about a first axis, one of said arms supporting said object and damper means disposed about said first axis between said arms for selective rotational movement and placement of said object relative said other arm.

Abstract: A headrest assembly for a seat having a seat back and a seat bottom is provided that includes a headrest having first and second divided headrest portions. First and second articulated arms are pivotably mounted with respect to the seat back in a scissor arrangement and supporting the first and second headrest portions, respectively. Each of the articulated arms has a respective distal portion operatively connected to the seat bottom, preferably with flexible cables and a forked element. The headrest assembly is configured so that the headrest portions pivot to adjacent, use positions when the seat bottom is subjected to at least a predetermined load and to pivot back to separated, non-use positions when the seat bottom is not subject to at least the predetermined load.

Abstract: The head-rest for a seat includes an inverted U-shaped frame including two vertical branches and a horizontal branch. The horizontal branch includes two rigid sections connected together by a flexible material to allow a longitudinal, angular and/or alignment offset.

Abstract: The invention relates inter alia to a vehicle-seat headrest having a base part (14) and a headrest part (15) movable on the base part (14) between a back position and a front position by a bearing assembly (16) having has first bearing means (32, 45), associated with the base part (14) and second bearing means (18, 44) associated with the headrest part (15), the first bearing means (32, 45) and the second bearing means (18, 44) each forming bearing surfaces (78, 81, 84, 85) that are interconnected and form at least one bearing-surface pair (32/23, 18/23, 44/46, 45/46). The specific characteristic is that a play compensator (E) is provided that biases at least one bearing-surface pair into engagement.

Abstract: Disclosed herein is an automotive headrest, which is constructed so that the automotive headrest is not tilted, but is displaced in a straight line in only one direction in a rectilinear motion, and is then returned to its original position. The automotive headrest includes a stay rod having vertical parts secured to a seat, and a horizontal part coupling the vertical parts to each other. A horizontal guide frame is secured to the horizontal part of the stay rod. A ratchet slider is movably mounted to the horizontal guide frame. A ratchet pawl locks or releases the ratchet slider. A tension spring returns the displaced ratchet slider to its original position. A ratchet spring provides tensile force to the ratchet pawl.

Abstract: Motor vehicle seat back comprising a structure, a headrest, a headrest, a support, a slide, a return element and a lock. The structure comprises at least one socket. The headrest comprises at least one stem mounted so as to slide in the socket between a high position and a low position. The stem has a curve. The support is mounted on the structure through an articulation element having at least a degree of freedom to rotate about an axis of orientation. The slide is connected to the stem and capable of sliding relative to the support in a direction of sliding. The return element is interposed between the slide and the support and biases the headrest towards its low position. The lock has an active state in which it is capable of holding the headrest in the high position and an inactive position in which it releases the headrest.

Abstract: The invention relates to a headrest (100) for a vehicle seat, comprising a fixed part (110) for attachment in a vehicle seat and at least a first moving part (115), which moving part (115) is movably mounted in amounting (120) in the fixed part so that it can be moved between a first and a second position relative to the fixed part (110). The movement of the moving part (115) from the said first position to the said second position is achieved by means of an inflatable element (130) in the headrest (100), which is inflated by compressed air and thus expands, and the first moving part (115) is maintained in the said second position by means of the inflated inflatable element (130).