Matches 251 - 300 out of 349 < 1 2 3 4 5 6 7 >
Match Document Document Title
5314236 Lumbar support apparatus for vehicular seat  
A lumbar support apparatus installed in a seat back of a vehicular seat has a panel which is movable in front-and-aft direction. A U-shaped spring member is connected at its bent middle portion to...
5302002 Hip supporting apparatus of seat  
A seat having a seat cushion and a seat back, including a horizontally extending and rotatable to-and-fro adjustment shaft which is provided in the lower portion of the seat back. A hip support,...
5299851 Adjustable cushion assembly for a chair  
An adjustable cushion assembly includes a cushion, a covering enclosing the cushion, an upright flexible metal plate disposed behind the cushion, and an adjustment device. The metal plate has...
5224757 Lumbar support waist band and mechanism therefor  
An adjustable bracket for a seat lumbar support is disclosed which includes a first bracket (38) adapted to be fixed on one side frame of the seat; a second bracket (20) adapted to be fixed to the...
5217278 Mechanism for providing adjustable lumbar support in a seat  
A lumbar support mechanism for inclusion within a seat back includes a fixed frame, a movable frame which is adjustably mounted to the fixed frame, and an outwardly bowed arcuate resilient lumbar...
5215350 Lumbar support device  
A lumbar support device for an automotive seat, in which a support arm, on which a lumbar support plate is rockably supported, is retained in a base bracket against movement by way of a biasing...
5197780 Transmission device for cable control of lumbar support mechanism  
A transmission apparatus for permitting a seat occupant to selectively and remotely adjust distinct comfort features of a dual-function comfort mechanism corporated into a seating assembly. The...
5174526 Adjustable lumbar support mechanism for airline passenger seats with manual push button and cable control  
Presentation of an adjustable lumbar support mechanism for use in the airline aircraft seats. A new method of lumbar adjustment is introduced utilizing a push button (10) and control cable (12) to...
5174629 Lumbar support device  
A lumbar support device including a generally L-shaped arm member supported rotatably upon a seat frame and a wire member of a torsion bar type, wherein one end of the arm member is operatively...
5171064 Convertible seat having a foldaway headpiece  
A seat, such as a settee, armchair, lounge or foyer sofa, having a padded framework forming a seat portion having a seating cushion and a back area having a back cushion. A fold-away convention...
5135282 Motor vehicle seat back  
A seat back for use in private or commercial vehicles is disclosed constituting a pulsation cushion formed having a plurality of expandable chambers interconnected by pressure limiting valves. The...
5104189 Reclining seat for motor vehicle  
Disclosed herin is a reclining seat which is suited for a rear seat of a passenger motor vehicle. The reclining seat comprises a seat cushion; a seatback arranged behind the seat cushion, the...
5101811 Fitted seating apparatus and manufacture  
A custom-fitted seating device has a back supporting structural brace element removably and replacably housed in a pocket of a seat back cushion. The brace element has a selected lumbosacral or...
5088790 Adjustable lumbar support mechanism for a vehicular seat  
An adjustable lumbar support mechanism (20) includes a screw shaft (36) having spaced apart right hand (38) and left hand (40) thread convolutions. A traveling nut (42, 44) is disposed in coacting...
5087098 Lumbar support device  
A lumbar support device for use in a vehicle seat, including a brake device for restricting rotation of its drive shaft, a link member, and a lumbar support member. A rotation force from the drive...
5058953 Seat back of automotive seat  
A seat back of an automotive seat of the type having upper and lower seat-back sections, in which the upper seat-back section is formed independently of the lower one and further inclinable...
5054854 Inflatable structure secured by tension  
An inflatable bladder or plurality of bladders has a connection for a flexible strap-like position member having a portion constrained in a pocket affixed to the bladder and is adjustably...
5050930 Lordosis-support backrest for a vehicle seat  
A lordosis-support backrest for an automotive vehicle has a pressure element mounted upon vertical wires affixed to the frame of the backrest and guided along these wires. A transmission on the...
5044693 Seat back structure of an automotive seat  
A seat back structure of an automotive seat comprising a back support plate, plural springs, and torsion bar. The back support plate is supported in a seat back frame by the springs and torsion bar...
5007677 Vehicular seat lumbar support device  
A vehicular seat is formed with an adjustable spring structure at an internal portion thereof. The structure is selectively adjustable for determining the degree of support the seat occupant...
4993164 Measuring device  
A measuring apparatus for determining the contour of the back of an individual has a base, a seat portion and a back portion. The back portion is provided with a back engaging member having a...
4968093 Adjustable backrest for the seats of vehicles, particularly cars  
A backrest for vehicle seats includes an inverted U-shaped frame having an upper cross bar, two side arms having spaced apart lower ends and a shaft rotatably mounted between the lower ends. A...
4950032 Seat having vertically movable lumber support  
Disclosed is a seat for an automobile or the like. The seat includes a seat cushion; a seat back connected to the seat cushion, a space being formed within a lower portion thereof; a rod which is...
4940284 Seat for automobile  
A seat for an automobile or the like includes a seat cushion; a seat back connected to the seat cushion, a space being formed within a lower portion thereof; a rod pivotably interposed between...
4925242 Adjustable lumbar back support system for a wheelchair  
An adjustable lumbar back support system mountable across the back rest of a foldable wheelchair. The system is adjustable vertically and includes two cam members eccentrically mounted on an...
4913495 Seat  
A seat for an automobile or the like includes a seat cushion; a seat back connected to the seat cushion, a space being formed within a lower portion of the seat back; a rod which is pivotably...
4896918 Lumbar support regulating apparatus  
A lumbar support regulating apparatus for a vehicle seat includes a pressing plate rotatably mounted on an offset portion of a rod, the opposite ends of which are rotatably mounted in opposite...
4886316 Lumbar support device  
A lumbar support device provided within a seat back of an automotive seat, which comprises a support wire having a lumbar support plate for supporting the lumbar part of an occupant on the seat,...
4880271 Adjustable lumbar support  
A lumbar support for a motor vehicle seat or the like is provided. The support includes a pair of vertically mounted bands supported by an upper support band and a bracket, respectively. The...
4832400 Vehicle seat with lumbar support device  
A vehicle seat with a lumbar support device which is so constructed that an independent lumbar support cushion member is defined in a cushion member and a trim cover assembly covering such cushion...
4830429 Device for operating a multiple position armchair, seat or couch, including a means for supporting the small of the back  
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...
4810033 Adjustable backrest  
Disclosed is an adjustable chair backrest having a frame and deformable material covering one side of the frame. A pressure having a rigid lower portion and an elastically deformable upper portion...
4798414 Physiotherapeutic chair like device  
A special chair with embodiments providing means for prevention and treatment of back disorders by both static and dynamic operational modes comprising an integral seat and back assembly composed...
4790496 Aircraft seat with flexible lumbar panel  
An improved aircraft seat is equipped with a special flexible lumbar panel to better and more comfortably support the back of the passenger seated in the aircraft seat. The flexible lumbar panel...
4779917 Reconfigurable rear seat for van or station wagon  
A bench type rear seat has three sections independently movable about a common laterally extending pivot axis. The rear seat is positioned in a van or station wagon behind the front seat or seats...
4728148 Supporting structure of the lumbar portion of the foam cushion member in an automotive seat  
A structure of a lumbar support portion of a seat back of an automotive seat is disclosed. In a cushion member formed of foam material or in the portion thereof corresponding to the lumbar support...
4715653 Lumbar support apparatus  
A lumbar support apparatus includes a seat frame, a first wire support member fixed to the frame, a second wire support member attached to the frame and a third wire support member interconnecting...
4685733 Chair  
A chair having a seat member rotatably supported about a swivel point in the region of its front edge relative to a seat carrier. The chair also has a back member connected to at least one lever...
4678230 Back support means  
A back support mechanism (10) for a chair (9). The mechanism (10) has a pad (16) pivotally mounted to two links (17,18). An operating shaft (24) screw threadedly engages posts (19) mounted relative...
4671569 Resilient back-up mechanism for vehicle seat structure  
A resilient back-up mechanism for a seat back structure of a vehicle seat for supporting a waist portion of a passenger sitting on the seat. An adjusting member is mounted on a seat back frame for...
4632454 Vehicle seat intended, for example, for such automobile vehicles as cars, trains and airplanes  
The invention relates to a seat intended, for example, for automobiles, trains or airplanes, having a back-rest, in which there is arranged a lumbar-support device whose rigidity can be adjusted by...
4630865 Backrest adjusting device  
The invention relates to a device for adjusting the backrest, preferably of vehicle seats. It is characterized by a first plate-shaped portion, which by a belt-like member is connected to a rigid...
4627661 Chair back with adjustable lumbar support  
In a chair back for e.g. an automobile seat, a support part suspended in a frame has two elongate side elements along the chair back, which are interconnected by means of connecting members and...
4601514 Seat having an adjustable back support arrangement  
The seat has a backrest with a back support integrated therein, comprising a curved spring plate member which bears against the rear of the backrest cushion. The distance, as measured in the...
4588172 Device for locally adjusting the tension of an elastic sheet, in particular for a vehicle seat  
In order to soften or stiffen the support offered by an elastic sheet, and in particular a vehicle seat back, the device comprises a flat spring (1) which is at each of its ends connected to the...
4576410 Lumbar support for a backrest  
Changes in the vertical inclination of a lumbar support plate pivotally mounted within a backrest cause different portions of the convex surface of the support plate to contact the back of the...
4564235 Lumbar support device  
An improved lumbar support device for use in a seat back of a vehicle seat is disclosed in which upper and lower lumbar plates are mounted in two stages independent of each other and each of the...
4556251 Lumbar support device  
A lumbar support device which is included in a lower half section of a seat back and is capable of adjusting the supporting pressure of the lower half section of the seat back. The lumbar support...
4555137 Back rest for a vehicle seat, particularly a motor vehicle seat  
With a back rest for a vehicle seat, particularly a motor vehicle seat, in order to be able to adjust the longitudinal profile on the side facing the seat user by means of a shaping body having a...
4534593 Vehicle seat lumbar support insert and method of utilizing the same  
A lumbar support for a vehicle seat comprises two interlocking elements which can be moved into position between a seat back cushion and a seat frame and then interlocked, thus fixing the lumbar...
Matches 251 - 300 out of 349 < 1 2 3 4 5 6 7 >