Abstract: A chair includes a seat portion with legs and a backrest frame and a footrest are respectively pivotally connected to two opposite ends of the seat portion. Two rods are pivotally connected between the backrest and the footrest. A cylinder is connected to an underside of the seat portion and a piston rod of the cylinder is connected to an end of the backrest. A control lever is connected to the cylinder and controls the movement of the piston rod of the cylinder to pivot the backrest and the footrest.

Abstract: A stand-assist chair has a base frame adapted to stand on the floor, a seat frame movable above the base frame and carrying a generally horizontal seat, a back on the seat frame extending upward from a rear edge of the seat, and a motor housing on one of the frames. Front and back actuating shafts are journaled in the motor housing under front and rear edges of the seat and have respective front and back actuating arms and respective front and back operating arms. The front arm has an outer end pivoted on the other of the frames adjacent a front edge of the seat and the rear arm has an outer end operatively coupled to the other of the frames adjacent the rear seat edge.

Abstract: An all-linkage reclining chair having a reinforced chair frame is disclosed. The chair frame includes a side frame assembly integrally connected to a seat assembly along two orthogonal planes. More specifically, a longitudinal seat rail is secured to an inboard side panel which defines a longitudinal coupling plane. In addition, the front seat rail extends laterally outboard of the inboard side panel and is integrally connected to a front post panel associated with the side frame assembly which defines a transverse coupling plane. A support bracket is secured to the front seat rail and the front post assembly to further enhance the rigidity of the chair frame. An all-linkage reclining mechanism is secured to and operably supports the chair frame for reclining movement.

Abstract: The lift chair has a base frame, an extendable/retractable chair occupant positioning apparatus attached to the base frame, a reversible D.C. motor for extension and retraction of the chair occupant positioning apparatus relative to the base frame. A control means is connected to the D.C. motor for actuation of the chair occupant positioning device. A power supply is connected to the control means for motor control. A chair occupant carriage is supported by the base frame. The carriage has a seat and a back portion.

Abstract: A reclining chair is provided which includes a base, and a support linkage assembly pivotally supported from the base. A longitudinal link is operably interconnected to the support linkage assembly. A recline linkage assembly is operably coupled to the longitudinal link and to the base for controlling movement of the longitudinal link from an upright position to at least one reclined position. A rotatable drive shaft is journally supported by the longitudinal link. The reclining chair further includes a leg rest assembly supported from the longitudinal link and operably coupled to the drive shaft for movement from a retracted position to an extended position in response to rotation of the drive shaft.

Abstract: A reclining chair is provided which includes a base frame, a support linkage assembly pivotally supported from the base frame, a seat back operably coupled to the support linkage and a chair frame, including a seat frame, secured to the support linkage. A longitudinal link is operably interconnected to the support linkage assembly. A recline linkage assembly is operably coupled to the longitudinal link and to the base for controlling movement of the longitudinal link from an upright position to at least one reclined position. A rotatable drive shaft is journally supported by the longitudinal link. The reclining chair further includes a leg rest assembly supported from the longitudinal link and operably coupled to the drive shaft for movement from a retracted position to an extended position in response to rotation of the drive shaft. The support linkage further operates to recline the seat assembly between an upright position and a fully reclined position.

Abstract: Adjustable chair equipped with a calf supporting board which by means of an over-center mechanism and a gas spring can be brought to a horizontal position when the angle between the seat and the back of the seat increases, the board being foldable when the angle is decreased.

Abstract: A table including an articulated deck having a head section, a seat section, a foot section and at least one of the sections is coupled to the frame for movement between a generally horizontal position and a tilted position about a first effective axis above a patient support surface of a mattress of the deck. Pivoting and translation of the deck section extends and contracts the deck sections relative to each other to match the expansion and contraction of the skin of patient as the deck sections move between their horizontal and tilted positions.

Abstract: An improved latching mechanism for a rocking-type chair selectively permits or inhibits rocking motion of the chair frame relative to the base upon actuation. The improved latching mechanism includes a pawl and ratchet assembly having a spring-biased pawl member coupled to the chair base which is operable to lockingly engage a tooth ratchet sector disposed on the chair frame for positioning the chair frame in rearwardly tilted positions and a release assembly including a rigid release link that pulls the spring-biased pawl member towards a released position by an actuation member. The actuation member includes a swing link and a trip link operably coupled to a drive rod assembly for positioning the rigid release link while preventing the release member from exerting any axial loading on the pawl member when the pawl member is in locked engagement with the ratchet teeth.

Abstract: A reclining chair mechanism is provided for a wall-proximity reclining chair permitting a chair of normal back height to be stationed as close as three inches to a wall or other structure when the back is upright, and, yet, have sufficient space for the back to recline. Further, in the preferred embodiment, the portions of the side linkages, which support and operate the chair back, are locked against permitting the back to recline from its upright position so long as the operating handle has not been rotated to extend the ottoman from its stowed position.

Abstract: A modular reclining chair and method for assembling it are disclosed. The modular reclining chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The construction is such that the pre-assembled actuation mechanism is integrally suspended from and interdependent with box-like modular frame components. In this manner, the frame components can be upholstered prior to final assembly with the actuation mechanism.

Abstract: A simple and economical six-bar linkage system keeps a reclining chair stable in its closed position, and permits it to assume any degree of recline between slight recline and full recline without need for friction devices or springs. This is accomplished by the stable balance of the linkage. Sequencing devices are likewise not needed; interaction of the components constrain the movement of the linkage, such that there is only one possible path of travel. The six links are: base frame, back frame, seat frame, drive link, carrier link, and legrest. A heart-rest position may be attained with assistance from an attendant.

Abstract: A modular wall proximity reclining/tilt chair and method for assembling it are disclosed. The modular wall proximity reclining/tilt chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The construction is such that the pre-assembled actuation mechanism is integrally suspended from and interdependent with box-like modular frame components. In this manner, the frame components can be upholstered prior to final assembly with the actuation mechanism.

Abstract: A modular reclining chair and method for assembling it are disclosed. The modular reclining chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The construction is such that the pre-assembled actuation mechanism is integrally suspended from and interdependent with box-like modular frame components. In this manner, the frame components can be upholstered prior to final assembly with the actuation mechanism.

Abstract: A modular reclining/tilt chair and method for assembling it are disclosed. The modular reclining/tilt chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The construction is such that the pre-assembled actuation mechanism is integrally suspended from and interdependent with box-like modular frame components. In this manner, the frame components can be upholstered prior to final assembly with the actuation mechanism.

Abstract: A reclining chair is arranged having a back rest pivotably supported and mounted at its intermediate region to the upper lower and right arm portions of a base frame, a seat pivotably mounted at its rear end to the lowermost section of the back rest at a point situated lower than the intermediate back rest pivot, a foot rest pivotably mounted to and supporting the front end of the seat, and an extending member extending from the foot rest to a point lower than the pivot joint between the back rest and the seat for pivotal movement. The foot rest is sustained in sleeve-rod arrangement on the base frame.

Abstract: A sectional sofa having one sofa section that includes a pair of reclining seats that are separated by a console on which push button controls are mounted that separately control the movement of the reclining seats from the upright to the reclined positions.

Abstract: A rocker-recliner chair utilizing but two mounting links for mounting the seat and backrest to the rocker cams and which mounting links are also utilized to position the chair in advanced reclining positions beyond the TV position. The chair is biased to the TV position wherein the footrest is extended, by the weight of the chair occupant acting through the rear mounting link. However, the chair is retained in upright position against the gravity basis by a spring-loaded lock mechanism which is actuated by a handle to release the lock mechanism to allow the occupant's weight to drive the chair to TV position. When moving to TV position, the seat undergoes a certain amount of rearward displacement relative to the rocking cams to position the weight of the occupant to the rear while a "landing gear" stop descends to engage the base to thus prevent rearward rocking of the chair.

Abstract: A chair comprises a pedestal base and a support member (6) mounted on the base. A seat carrier (5) is connected at its forward end portion with the member (6) to be pivotable relative thereto about a first horizontal axis (7), which is fixed relative to both the member and the carrier. A backrest carrier (11) is similarly connected with the member (6) to be pivotable relative thereto about a second horizontal axis (17) and additionally with the seat carrier (5) at its rearward end portion to be pivotable relative thereto about a third axis (23), this axis being movable relative to the seat carrier (5). The carriers (5, 11) are pivotable together relative to the member (6) in the same rotational sense with the backrest carrier (11) traversing a greater pivot angle than the seat carrier (5). A spring unit (32) acts between the member (6) and the backrest carrier (11) to bias the backrest carrier in an upward and forward direction.

Abstract: A vehicle seat such as an automotive seat is disclosed in which the rearward portion of a cushion frame is attached to a vehicle floor by shaft pins so that the forward portion of the cushion frame can be raised up and lowered down by link members. These link members are attached to a connecting bar for connecting these link members with a back frame. In this vehicle seat, when the back frame is reclined relative to the cushion frame, then the link members are rotated forwardly by the connecting bar so that the forward portion of the cushion frame in engagement with the respective central portions of the link members can be raised up about its pivotally mounted portion in the rearward portion thereof, that is, about the shaft pins.

Abstract: A reclinable back rocking chair includes a subframe mounted for longitudinal fore and aft movement on a stationary base and has anti-rocking means actuated when a leg rest is elevated and when the subframe is not in its forwardmost position as well as a novel latch mechanism for automatically latching the subframe in its forwardmost and rearmost positions and manual means for unlatching the latch mechanism to permit fore and aft movement.

Abstract: A dental chair operating apparatus developed in relation to the underseat and the backrest. The uses for the present chair and integral underseat and backrest configuration include human dental, medical, beauty parlor, and barber shop treatment facilities and installations. The present chair, e.g. a dental chair, is one with a hip section of the underseat baseboard on top of a vertical motion apparatus on top of a base plate; a movable circular arc board with backrest baseboard tilts by an oil-pressured cylinder. The present chair configuration is basically automatic, however it may also be manually manipulated.

Abstract: A patient support is disclosed having a contoured upper body support with an integral lumbar support area. The lower body support is curved at the knee and likewise contoured for patient comfort. The upper body support is pivotally attached to the lower body support at a point simulating the pivotal location of the human hip. A drive linkage raises the toe area of the lower body support simultaneously with, but only for the initial reclining movement of the upper body support, maintaining the oral cavity in fixed relation to the head support. Arm supports are upwardly rotatable from a down, locked position to an up, unlocked position. The patient support has automatic recline and sit-up mechanisms with emergency stop circuitry.

Abstract: A push-button actuator mechanism for actuating a control link of a carriage mechanism in a reclining chair so as to cause the chair to be repositioned from an upright positioning to a reclining positioning includes an actuator arm which is spring biased to move a drive arm that is connected to the control link, and a pivotally mounted hawkbill latch arm which has a curved lip at one of its ends that is capable of controlling the movement of the actuator arm and a manually operable push button at its opposite end that extends outwardly through the material forming the outer lateral side of one of the chair's sides.

Abstract: A dental chair has its backrest connected to the seat by a scissor linkage arrangement which effects the moving together of the contiguous portions of the backrest and seat concurrently with movement of the backrest from an upright to a reclined position.

Abstract: The present invention provides a rocker-blocking mechanism for a platform rocking chair which when activated, typically in conjunction with thrusting of a legrest which lifts the user's feet away from the reassurance of floor contact. The rocker-blocking mechanism includes a forwardly presented, vertically elongated slot mounted in a medially disposed linkage between the chair rocker cam unit and legrest operating mechanism. A rearwardly presented, forward-to-rear tapering wedge element is disposed through the slot, in a linkage between the chair base and the chair rocker cam unit. When the legrest is in a retracted condition, the wedge is so located that there is plenty of space above and below the wedge within the slot to permit free rocking. As the legrest is thrust, the slot is quickly moved relatively forwards along the wedge to a position where the wedge vertically fills the slot, thus blocking rocking.

Abstract: An incliner chair has a combined seat and backrest member moveable from a normal occupant sitting position to an occupant inclining position by means of a mechanism attached to a stationary chair frame, by an occupant-operable handle. The handle causes a rotary element connecting identical mechanisms on either side of the chair to actuate linkages that simultaneously thrust out a footrest member and pull down and forward the rear of the seat part with its attached back while thrusting up and forward the front of the seat. A two link control assembly is provided to control and guide the back from moving backward from its normal position to the inclined position and comprise a control link attached intermediate its length to a toggle plate which is itself pivotably connected to the chair frame upwardly and rearwardly of the axis of the rotary element.

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: In a chair with elevated seat surface and footrest, a seat (30, 114), a footrest (38, 162)and a backrest (24) are connected with each other in such a manner that they are swingable jointly from a position suitable for sitting with seat substantially horizontal into a position with strongly forward inclined seat in which the chair can be used as standing rest. The joint swinging is effected by means of a yoke (22; 88, 94; 130, 132, 136, 138) which extends from the footrest to the backrest and consists of a single piece or else can be divided into at least two yoke sections. The seat, the footrest and/or the backrest can be adjustable by separate adjustment devices (46, 50, 60) with respect to the yoke, and in the event of the use of a plurality of divided yoke sections, adjustment devices (98, 140) can be provided in the connection regions of the sections.

Abstract: A chair has a chair body pivoted on a carriage and a reclining back on the chair body operates linkage to move the carriage on a base and to tilt the chair body with respect to the carriage. A hand lever operates a leg rest mounted on the chair body and, at the same time, operates through linkage to tilt the chair body on the carriage.

Abstract: A spring-assisted trigger handle assembly for a three-way, wall-proximity reclining chair which is movable from an end-limiting upright position, to a TV position, and then to an end-limiting fully-reclined position. The handle assembly is operative for affirmatively forwardly driving the linkage system for the chair only as the latter is moved from its initial upright position to an intermediate chair position which is between the two end-limiting chair positions. A tensioned spring assists the handle assembly in forwardly driving the linkage system once the handle assembly has moved the chair to the general vicinity of the intermediate chair position. The body weight of a seated user is thereupon conveniently utilized to assist the spring at the end of its operation to move the chair to the TV position. The tensioned spring secures the chair in the upright position in an over-center locked condition until the handle assembly causes the spring to suddenly release its stored energy.

Abstract: A power operated reclining wheelchair having a frame assembly with a base frame and a pair of laterally spaced sidewall frames extending upwardly from the opposite lateral sides of the base frame. Each of the sidewall frames have a fixed major pivot point located adjacent its rear end at a location approximating that of the hip joint of the occupant of the wheelchair. The wheelchair also has a back rest assembly and a seat assembly and mechanical and electrical structure for pivotally reclining the back rest assembly about the major pivot points in coordinated movement with the seat assembly during which the front end of the seat assembly is tilted upwardly and forwardly advanced from its initial position while its rear end is slightly lowered and forwardly advanced from its initial position.

Abstract: A reclining chair is disclosed in which the seat is movably supported on the base of the chair at each side by a pair of links which are inclined upwardly and rearwardly from the base to the seat, and the forward link is longer than the rearward link so as to increase the pitch of the seat as the seat is raised and moves forward.The backrest is pivoted to the seat well above the plane of the seat frame, and is supported by an upstanding link pivoted to the base. The backrest, in reclining, pivots on the upper end of the upstanding link as a fulcrum, and raises the seat.The elevation of the seat is guided by its supporting links, which move the seat forward, with the lower end of the backrest following, as the seat is lifted.

Abstract: Disclosed is a reclining chair which moves forward on its base coincidentally with the extension of the self-contained retractable footrest to provide clearance behind the chair for the unobstructed recline of the backrest of the chair.The forward movement of the footrest and of the chair as a whole is self-propelled by energy previously stored in the mechanism by the occupant's retraction of the footrest by flexing the knees.

Abstract: A wall clearing reclining chair has two extension links which transmit forces which are generated during reciprocating movement of an armrest assembly at the armrest-mounting members thereof directly to base drive pivot pins which are located forwardly and downwardly relative to the armrest-mounting members. The chair also has wheel-mounted movable tracks which are reinforced at the wheel mountings. Stops are provided for affirmatively arresting movement of the chair seat in its closed upright position. Caster wheel assemblies are mounted at the rear of the chair. Hardware for this chair is likewise disclosed.

Abstract: A reclinable chair is rockable on a sub-frame which is movable forwardly and rearwardly on a base. The chair and sub-frame are supported on the base on a pair of facing channels which slope downwardly from the rear to the front of the base. The sub-frame and base are locked together in the rear and forward positions, the lock at the rear being released when the activating handle for the legrest at the righthand side of the chair is raised 10 or 15.degree.. The further movement of the handle extends the legrest forwardly of the seat. The weight of the occupant when seated in the chair assists in the movement of the chair to the forward position during which the downward movement of a Boden wire secured to the sprung surface of the seat or to a lever pivoted thereon releases the actuating element. The wire operates the element and unlatches the chair when in forward position as the occupant leaves the chair seat or operates the lever and permits a spring to return the chair to its rear latched position.

Abstract: A reclinable chair is rockable on a frame which is movable forwardly on a base. The chair and frame are supported on the base on a pair of facing channels which slope downwardly from the rear to the front of the base. The frame and base are locked together in the rear and forward positions, the lock at the rear being released when the activating handle for the legrest at the side of the chair is raised 10.degree. or 15.degree.. The further movement of the handle extends the legrest forwardly of the seat. The seating of the occupant in the chair assists in the movement of the chair to the forward position during which a spring between the frame and base is tensioned for returning the chair to the rear position when the occupant leaves the seat and permits the springs of the seat to move upwardly and release the front latch. A lever prevents the rocking of the chair until it reaches the forward position where it is stopped in its forward movement to release the chair for rocking.

Abstract: A reclining chair that is disposable adjacent a wall and can recline at the wall. The chair includes a chair frame, a back frame, a seat frame, a platform, and first and second link assemblies. The first link assembly connects the back frame to the seat frame and the chair frame on both sides permitting the back frame to recline and the seat frame to move relative to the back frame forwardly and upwardly. The second link assembly has arms connected to the first link assembly for moving the back, seat and chair frames simultaneously forwardly on the platform a predetermined distance of forward movement along with the arms of the second link assembly, so that the arms of the second link assembly move the same distance forwardly plus an additional distance forwardly as the back frame is being reclined.

Abstract: This chair comprises a chair body having arm rests and being fixed to tracks mounted for longitudinal movement on stationary tracks supported on a floor. Seat links, a leg rest and linkage mechanism connecting said seat links and leg rest to the body and to each other, permit the seat links, and leg rest to be moved from upright position to T.V. position, and then to fully reclined position, and back to T.V. position and upright position. Links are pivoted, connecting the stationary tracks and the movable tracks with said linkage mechanism, to move the body and its movable tracks, longitudinally forwardly relative to the stationary tracks as the seat links, backrest and leg rest move from upright to T.V. position, and to then move the body and its movable track, further forwardly longitudinally relative to the stationary track, as the seat links, backrest and leg rest move from T.V. position to fully reclined 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.