342 results about "Back structure" patented technology

A climate controlled seat assembly comprising a back structure within at least one forwardly extending side member, a seat cushion disposed on the front side of the back member, a fluid distribution system, and a climate control device. The climate control device is mounted on the rear side of the side member. A plenum duct places the fluid distribution system in fluid communication with the climate control device. The fluid distribution system is comprised of a plurality of channels. A plurality of inserts is disposed within each of a plurality of grooves in the seat cushion. The fluid provided by the climate control device through the plenum duct into the fluid distribution system adjusts the climate of the seat.

In a seat back structure, an auxiliary frame having a pressure receiving portion and a headrest mounted thereon is movably provided in seat back frame via guide element and link element. The guide and link elements are respectively disposed in upper and lower portions respectively of the auxiliary and seat back frames. Biasing element is provided to the link element, such that a line of force of the former is positioned on one side of a pivotal point of the link element, thereby retaining the headrest at initial position, and that, when excessive backward load is applied to the pressure receiving portion, the link element is rotated to displace the line of force toward another side of the first pivotal point, whereby the auxiliary frame is displaced forwardly and upwardly of the seat back frame, thereby causing the headrest to move to a position for supporting a head of seat occupant.

A chair includes a base having a control assembly operably supporting a seat assembly and also a back assembly for movement about a seat tilt axis and a back tilt axis, respectively. The back assembly includes a flexible sheet supported at upper/outer corners by a back support structure and hanging downwardly. The flexible sheet includes a lower portion coupled to the back support structure by a tensioner for holding the lower portion rearwardly. A vertically-adjustable lumbar mechanism is adjustably supported on the back support structure and operably engages the flexible sheet for flexing a lumbar area of the flexible sheet forwardly to provide an optimal ergonomic horizontal and vertical convex shape for postural lumbar support.

An aircraft passenger seat configured in accordance with an embodiment of the invention utilizes composite materials to achieve significant weight savings relative to conventional seat designs. The seat includes one or more lightweight composite support legs, a lightweight composite seat pan, and a lightweight composite seat back structure. The support legs are coupled to the seat pan, which is in turn coupled to the seat back structure. The support legs utilize composite frame elements that are formed as continuous compression molded composite extrusions. The seat pan includes composite fore and aft cross beams that are also formed as continuous compression molded composite extrusions. The aft cross beam includes a rear flange that serves as a flexible “hinge” for the seat back structure. The seat can leverage producible and relatively inexpensive composite manufacturing techniques such that the seat can be economically produced for use as an economy class seat.

An aircraft passenger seat configured in accordance with an embodiment of the invention utilizes composite materials to achieve significant weight savings relative to conventional seat designs. The seat includes one or more lightweight composite support legs, a lightweight composite seat pan, and a lightweight composite seat back structure. The support legs are coupled to the seat pan, which is in turn coupled to the seat back structure. The support legs utilize composite frame elements that are formed as continuous compression molded composite extrusions. The seat pan includes composite fore and aft cross beams that are also formed as continuous compression molded composite extrusions. The aft cross beam includes a rear flange that serves as a flexible “hinge” for the seat back structure. The seat can leverage producible and relatively inexpensive composite manufacturing techniques such that the seat can be economically produced for use as an economy class seat.

Flooring that utilizes sophisticated, self-stabilizing, woven face fabric using relatively heavy "carpet weight" nylon, polyester, PTT or other yarns on modern Jacquard computer controlled looms to produce flat-weave fabrics that are bonded to engineered backing structures. Urethane modified bitumen may be used as a backing layer, and an optional latex precoat may be used on the fabric layer, together with an optional antimicrobial in the precoat.

A carrier structure includes a lower platform substantially parallel to a ground surface upon which the carrier is placed and moved; a back wall connected to a back edge of the lower platform at a connection structure, the back wall and lower platform defining a first angle; a front wall connected to a front edge of the lower platform and opposing the back structure; opposing side walls connected to opposing side edges of the lower platform, the back, front and opposing side walls forming a compartment; wherein the back wall is tiltable away from the front wall to define a second, obtuse angle, between the back wall and the lower platform, such that the lower platform is configured to remain substantially parallel to the ground surface.

Disclosed are methods and devices for temporally compacting test response signatures of failed memory tests in a memory built-in self-test environment, to provide the ability to carry on memory built-in self-test operations even with the detection of multiple time related memory test failures. In some implementations of the invention, the compacted test response signatures are provided to an automated test equipment device along with memory location information. According to various implementations of the invention, an integrated circuit with embedded memory (204) and a memory BIST controller (206) also includes a linear feed-back structure (410) for use as a signature register that can temporally compact test response signatures from the embedded memory array during a test step of a memory test. In various implementations the integrated circuit may also include a failing words counter (211), a failing column indicator (213), and/or a failing row indicator (214) to collect memory location information for a failing test response.

A seat back structure with headrest includes a vertical pressure-receiving element and cross pressure-receiving element. The headrest is fixed on a support rod operatively connected via a rotating link with an actuator link assembly. The vertical pressure-receiving element, upon one load being applied thereto from a seat occupant's lumber part, is displaced backwardly and upwardly via guide hole to push the support rod, thereby causing commencement of rotation of the rotating links to move the headrest upwardly. Thereafter, the cross pressure-receiving element, connected with the actuator link assembly, is displaced backwardly, upon another load being applied thereto from a seat occupant's dorsal part, thereby assisting in continuation of the rotation of rotating link.

The present invention is one kind of multifunctional turn-over bed to assist patient in changing posture, and the multifunctional turn-over bed has one headboard; one bed frame; eight bed boards, including two, one right and one left, turning over boards, two, one right and one left, buttock boards, two, one right and one left, thigh boards, two, one right and one left, shank boards, to constitute one symmetrical structure with four lower boards and four upper boards; one back structure with crank-rocker mechanism, and other parts. The present invention has novel structure and convenient use.

A chair seat and back structure includes a loop-shaped part with a space encompassed by an inner edge thereof, and an elastic covering part; the loop-shaped part has a curvature and a loop-shaped holding groove near to a circumferential edge thereof; the covering part positioned over the loop-shaped part, in tension and with a circumferential edge thereof being passed into the loop-shaped holding groove and secured to the loop-shaped part; therefore, the covering part will be changed in the shape by the sitter's body curvature, and the sitter's body will touch the chair with increased area.

The invention discloses a rear surface passivation contact battery electrode structure and a preparation method thereof. A battery back structure comprises a tunneling layer which is arranged on the rear surface of a crystal silicon wafer and used for providing a passivation effect on the rear surface of a battery, the tunneling layer is provided with an N type doped crystal silicon layer used for a charge vertical conducting layer, the N type doped crystal silicon layer is provided with a transparent conducting film for an electric charge horizontal conducting layer, and the transparent conducting film is provided with a rear surface metal electrode for electric charge collection and a connection effect between battery pieces. According to the rear surface passivation contact battery electrode structure, the transparent conducting film / metal combination electrode is adopted so as to replace a conventional grid line electrode or an all metal back field electrode, so that the rear surface of the battery can serve as a light receiving surface, a shading area and the usage amount of conductive metal are remarkably reduced on the premise of guaranteeing good conductivity of the electrode, and the conversion efficiency of the battery is improved.