Abstract: A transducer assembly is provided for moving a transducer into operative contact with a human eye. The assembly comprises a transducer holder that receives a transducer therein. A slide supports the transducer holder for rearward movement from a home position. A spring normally biases the transducer holder to the home position. Thus, as the assembly is moved toward the eye and the transducer engages the eye, the slide moves rearwardly against the spring bias to maintain the transducer against the eye of the patient. In order to prevent undue force on the eye, a release device is provided between the transducer holder and the transducer and is responsive to a preselected value of force for releasing the transducer from the transducer holder.

Abstract: A lockable guide assembly for adjustable vehicle seats comprising a pair of parallel guided rails attached to the vehicle seat; a pair of parallel guiding rails slidably arranged with respect to the guided rails and attached to the vehicle floor. Each of the rails is formed with a high-webbed U-shaped cross-section with inner and outer arms substantially overlapping with the arms of the U-shaped section of the other rail, the height of each section being about twice its width. The inner arm on each rail extends into the U-shaped portion of the other rail occupying nearly the full depth of the U-shaped portion leaving only a small gap between the free end of the inner arm and the inside surface of the U-shaped portion of the outer arm. The outer arms are wider or deeper than the inner arms and extending beyond the depths of the inner arms, and the outer circumference of the U-shaped portion of the guided rails is straddled by the arms of the guiding rail.

Abstract: The invention concerns a vehicle seat slide comprising a lower channel section integral with the floor of the vehicle, an upper channel section integral with the sitting portion of the seat, intermediate balls and a locking mechanism comprising a toothed bolt mounted on the upper channel section adapted to coact with a series of catches in the lower channel section.There is provided on one of the channel sections a series of vertical teeth and on the other a series of closed apertures disposed vertically opposite the teeth so that the beginning of a vertical dislocation of the slide results in the teeth catching in the apertures.

Abstract: A transportation seat primarily adapted for use by an operator of a vehicle is disclosed. The seat includes an air suspension base supporting a tubular seat frame to which seat back and bench cushions are attached. A track support frame is slidably mounted on the base for stepwise fore and aft adjustment. The seat frame is secured to the track support frame by an antislap mechanism which isolates the seat frame from jarring movement of the vehicle. A side saddle adjustment mechanism supports the seat frame on the track support frame permitting stepwise transverse adjustment of the seat frame relative to the base.

Abstract: A vehicle seat assembly having seat and back members pivotally connected to each other and movably mounted on a frame for movement between a seat-defining position in which the seat member is generally horizontal and the back member is upright and a bed-defining position in which the members are in general horizontal side-by-side positions. The seat member is slidably mounted on the frame by a pair of track portions that enable the horizontal reciprocal movement of the seat member between a rearward location in the seat defining position of the vehicle seat assembly and a forward location in the bed defining position of the vehicle seat assembly. A link member connects the rear member with the frame so that in response to forward movement of the seat member, the link member serves to pivot the back member rearwardly and downwardly to the horizontal position.

Abstract: A fore-aft adjustment, for a vehicle seat, employing rollers. The vehicle seat includes a seat assembly coupled to a support assembly. The support assembly includes a first portion affixed to the vehicle and a second portion affixed to the seat assembly. One of said first or second portions includes a plurality of roller structures having rotational axes which are substantially vertical. The other of said first or second portions includes guide members, the roller structures rotatably engaging the guide members to provide for longitudinal movement of the seat assembly with respect to the vehicle.

Abstract: A seat supported on a fixed pedestal with a mount assembly operable to permit rotational movement of the seat about an upright axis, longitudinal fore and aft movement and transverse tilt movement of the seat. The mount assembly has a base member pivotally connected to the pedestal for movement about an upright axis. A first lock pin locks the base member in a fixed forward position. When the lock pin is released the base member can rotate about a generally horizontal axis. A pair of longitudinally located track assemblies are pivotally connected to the rear portion of the base member. The forward portions of the track assemblies are held in selected elevated positions with releasable locking arms thereby changing the tilt position of the seat. The track assemblies also have movable carriages that can be locked in selected longitudinal positions to adjust the fore and aft position of the seat.

Abstract: In a cross-movable carriage comprising a movable base plate and a stationary base plate, the movable base plate has two first guide grooves formed in one surface thereof and the stationary base plate has two second guide grooves formed in one surface thereof. A guide mechanism comprises two first guide members capable of fitting in the first guide grooves and two second guide members capable of fitting in the second guide grooves. One of the second guide members and one of the first guide members are fastened together, and the other of the second guide members and the other of the first guide members are fastened together. The guide mechanism is provided between the movable base plate and the stationary base plate to permit the first guide members to fit in the first guide grooves and permit the second guide members to fit in the second guide grooves.

Abstract: A vehicle seat slide adjuster includes a pair of guide rails which are slidable relative to each other one being secured to a vehicle seat and the other secured to a vehicle stationary part, and a latch mechanism for locking the seat to its desired or selected position after the relative sliding movement between the guide rails. The latch mechanism includes a pawl provided on one of the guide rails, latch holes provided on the other of the guide rails, and a pawl actuating lever for actuating the engagement and disengagement of the pawl and the latch hole, wherein the pawl actuating lever and the pawl are integrally formed in one piece and disposed within one of the guide rails.

Abstract: A positionable chair-lounge has a base which has transverse support beams, a movable top section that has transverse beams and is supported upon rollers that engage arcuate tracks secured to the base, a gear head motor type of power assembly which directly drives a threaded shaft and a drive tube through an irreversible drive. One end of the power assembly is pivotally attached to the top section by a guiding bracket and the other end is pivotally attached to the base by a guiding bracket. The base and seat transverse beams and the power assembly are positioned so that the seat can be moved in an arcuate path relative to the base.

Abstract: An adjustable seat includes a seat element which is mounted in a motor vehicle for adjustment of the position thereof on two mounting arrangements each of which is arranged at one lateral region of the seat element and each of which includes a first guide track extending substantially horizontally and associated with the front region of the seat element, a support rail telescopically guided on the first guide track and pivotally connected to the seat element on the free front end thereof, an elongated second guide track inclined upwardly in the forward direction and associated with the back region of the seat element, and a support member connected to the rear region of the seat element and supporting the latter on the second guide track. The first guide track and the second guide track are arranged laterally adjacent one another at the associated lateral region of the seat element.

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: A vehicle seat assembly includes a seat back and seat cushion which is attached to one track of a dual track assembly to permit fore and aft movement along the second track whose ends are affixed to the vehicle floor. A seat adjustment positioner member is selectively located along the second track and is engaged at its forward side by stops attached to the seat cushion for limiting rearward movement of the seat cushion. The seat back is tiltably supported at both sides by arms which are attached at their lower ends to a shaft the ends of which engage the rear side of the adjustment positioner. Interconnective means between the seat back arms and the seat cushion causes forward movement of the seat cushion when the seat back is tilted in a forward direction, all without movement of the seat adjustment positioner which remains in place to relocate the seat cushion in its former position after the seat back is returned to its former position.

Abstract: A manually adjustable vehicle seat comprises elongated seat supporting carriages each of which is mounted for rolling movement on a pair of balls located adjacent the ends of the carriage. The balls roll on short track members having end abutments and the track members include means for limiting longitudinal movement. A latch lever is provided having an aperture plate portion movable in latching position to receive one of a series of latching projections provided on the mounting base.

Abstract: A drafting stool having electric motors both for moving it along the floor parallel to the forward edge of a drafting table, and for changing the elevation of the seat. Provision is made for guiding its travel along the floor, for preventing overturning thereof, for initiating any desired adjusting movement by the occupant's lurching of his weight in various directions, and for bringing the stool to a halt at any desired position of adjustment either manually, or by means of preset limit control devices.

Abstract: A locking device for an adjustable seat track structure comprises an elongated lock plate secured under the stationary track of the seat track structure and provided thereon with continuous teeth with a predetermined pitch to be transversely arranged against the stationary track, and a latch member operatively supported by a rotary member assembled with the movable track of the seat track structure to be moved toward and apart from the lock plate due to the rotary movement of the rotary member and including thereon a lateral latch element to be engaged and disengaged with the continuous teeth of the lock plate by movement of the latch member.

Abstract: A latch mechanism for a vehicle seat whose seat back and seat cushion components are fixedly mounted on a seat base that is suspended on a sub-base for oscillating forward and rearward movement with respect to the vehicle so as to isolate the seat occupant from longitudinal vehicle vibrations. The latch mechanism includes a keeper fixedly mounted on the sub-base and having forwardly and rearwardly facing latch surfaces. A latch member of the latch mechanism is pivotally mounted on the seat base and is movable between latching and nonlatching positions with respect to the keeper. The latch member has forwardly and rearwardly facing latch surfaces in the latching position that respectively engage the rearwardly and forwardly facing latch surfaces of the keeper to hold the seat against the oscillating movement in a rattle-free manner when a seat occupant desires a fixed seating position such as when vehicle controls must be manipulated during parking and backing operations.

Abstract: A glider is provided which is designed for easy assembly and which may be easily collapsed for storage purposes. The glider includes a frame having a seat and back rest, and a pair of side members, each of which includes an arm rest or head rest portion, which side members are mounted on each end of the frame. An elongated roller support member is provided for each end of the frame and includes an upper track member and a lower track member, the upper track member including a substantially flat top wall and a pair of spaced substantially flat side walls extending from and connected at substantially right angles to the top wall. At least two wheels are rotatably mounted to and between the side walls of each of the upper track members. The lower track member includes a track portion substantially U-shape in cross-section and adapted to receive the wheels, and a floor engaging member.

Abstract: A seat adjuster mechanism for a bench-type vehicle seat includes a first adjuster track assembly mounting the driver's end of the vehicle seat to the vehicle and a second adjuster track assembly mounting the passenger's end. The track assemblies are curved about an axis extending transversely of the vehicle so that the pitch and elevation of the vehicle seat are changed as the seat is adjusted fore and aft. First and second swivel mechanisms connect the respective adjuster track assemblies to the vehicle seat. First and second lock pawls are associated respectively with the first and second adjuster track assemblies for selective engagement in notches in a notched lock bar to latch the seat in desired position. A latch operating device is provided which is actuable in one direction to unlatch both the first and second latch means to permit simultaneous bodily fore and aft adjusting movement of the seat on the first and second adjuster track assemblies.