Abstract: Described are seat backs for passenger seats. The seat back includes a frame, and the frame includes an upper portion and a lower portion. The upper portion includes a top end of the seat back, and the lower portion is adjacent to the upper portion. A thickness of the upper portion of the frame may be less than a thickness of the lower portion of the frame.

Abstract: A personal support apparatus includes a frame having an inner surface for supporting a forehead of a user while seated in a forward-leaning position. The frame has a hollow central region to receive the user's face when the user is seated in the forward-leaning position. A pair of cheek support bodies are disposed on the inner surface of the frame. The apparatus also includes a stand having a recess in a first end to receive a portion of the frame such that a position of the frame is adjustable within the recess to set a height of the frame with respect to the user. A chest support is disposed on the stand. A base is attached to the second end of the stand.

Abstract: A seat part for a vehicle seat may have a support structure which has a tubular frame and a composite component. The tubular frame may have at least one opening on a front side. A threaded sleeve may be arranged and the composite component is arranged on the front side of the tubular frame and is secured to the tubular frame via a screw screwed into the threaded sleeve.

Abstract: A seating unit includes a chair with a backrest and a hook assembly. The backrest includes a rear surface having an outwardly protruding rim. The hook assembly comprises a cover plate and a weldment, and the cover plate may include a hook being integrally formed on an exterior face. The hook assembly is configured to be securely coupled on or within the outwardly protruding rim of the backrest, and a secure coupling between the hook assembly and the backrest is formed via insertion of a fastening member, which is inserted through an apertures on a bottom surface of the cover plate, such that the fastener is aligned substantially parallel to the rear surface.

Abstract: Described are base frame assemblies for a passenger seat having an elongated tube and a connector. The elongated tube may include an inner surface, an outer surface, and a connecting aperture extending from the inner surface to the outer surface. The connector may include a first end, a second end, a central opening extending from the first end to the second end, a first stopper at the first end, a second stopper proximate to the second end, a contact surface between the first stopper and the second stopper, and an adjustment slot defined as extending from the first end to the second end. The connector may be positioned within the connecting aperture such that a portion of the elongated tube contacts the contact surface between the first stopper and the second stopper that may together overlap a portion of the inner surface and outer surface of the elongated tube.

Abstract: The subject of the invention is a frame for seats in public transport vehicles, used in vehicles such as trams, school buses or other vehicles for transporting passengers on short distances, with low requirements for the comfort of travel. A frame for a seat in public transport vehicles in the form of shaped bent profile that creates a backrest and a seat pan, to which brackets for the seat pan and backrest pillows are attached, wherein the profile (1) in a section perpendicular to its longitudinal axis has an outline similar to an ellipse and its longer section axis is tilted upwards in an outside direction from the vertical plane, which forms the frame's perpendicular bisector, by angle ? ranging from 10-30°, preferably 20°.

Abstract: An ECU device which estimates a length of a lower limb of a seated person who is seated in a vehicle seat is shown. The ECU device includes the following. A thigh angle information obtainer obtains information regarding a thigh angle of the seated person. A back knee angle information obtainer obtains information regarding a back knee angle of the seated person. An estimator estimates the length of the lower limb of the seated person based on the information regarding the thigh angle obtained by the thigh angle information obtainer and information regarding the back knee angle obtained by the back knee angle information obtainer.

Abstract: A computer cockpit including a cockpit body, a driving module, a sensing module and a controlling module. The cockpit body includes a seat, a backrest and a display interface all movably disposed on the cockpit body. The display interface and the backrest are respectively located at two opposite sides of the seat. The driving module and the sensing module are disposed to the cockpit body, and the sensing module is configured to provide sensing data. The sensing data includes a seat pressure sensing value and a backrest pressure sensing value. The controlling module is electrically connected to the driving module and the sensing module, and configured to send an adjusting command according to the sensing data. The driving module is configured to receive the adjusting command to synchronously rotate the seat, the backrest and the display interface to a working angle and reduce a difference between the backrest pressure sensing value and the seat pressure sensing value.

Abstract: A columnar body including: plural elongated plate shaped panel members extending in one direction; and plural weld portions where two width direction end portions of respective panel members out of the plural panel members are welded together to configure a closed cross-section.

Abstract: The disclosure discloses a sofa armrest connection structure and a sofa assembly. The connection structure includes a first member and a second member, wherein the first member includes a first base plate, two guide rails symmetrically arranged on the first base plate, and a limiting part which is arranged on the first base plate and located under the two guide rails; the second member includes a second base plate and two guide bars symmetrically arranged on the second base plate; the two guide bars are in sliding insertion-fit with the two guide rails correspondingly; the first base plate and the second base plate are each provided with a plurality of bolt holes; the first base plate is used for being connected with a sofa seat frame, and the second base plate is used for being connected with a sofa armrest.

Abstract: A seat for a motor vehicle includes a basic shell and a seat surface. The seat surface includes a vacuum layer and an air cushion layer; and the air cushion layer is arranged between the vacuum layer and the basic shell. Also disclosed is a motor vehicle having such a seat.

Abstract: Provided is a lumbar support device that can reduce a cost involved. One aspect of the present disclosure is a lumbar support device including a base, a pressure-receiving plate arranged at a seat-front side relative to the base, a hinge mechanism moving the pressure-receiving plate in seat front-rear directions, and a lead screw causing the hinge mechanism to be operable. The hinge mechanism includes a first paddle and a second paddle pivoting about a hinge pin in the seat front-rear directions. The first paddle includes a first pressing portion pressing the pressure-receiving plate toward the seat-front side and a first coupling portion coupled to a lead screw so as to be shifted in a seat-width direction as the lead screw rotates. The second paddle includes a second pressing portion pressing the pressure-receiving plate toward the seat-front side and a second coupling portion rotatably coupled to the based.

Abstract: A seat for a motor vehicle, the seat comprising a backrest and a seating portion, the backrest being mounted to rotate relative to the seating portion about a substantially transverse axis, a hinge being provided for adjusting a tilt of the backrest relative to the seating portion about the substantially transverse axis, the seat being provided with a plurality of means for controlling a movement of the hinge, the seat further comprising an interface for controlling said movement of the hinge, the interface comprising a central portion and a peripheral portion, the peripheral portion being arranged around the central portion, the interface further comprising a plurality of recesses shaped to receive the plurality of means for controlling the movement of said hinge.

Abstract: A combination structure of a seat frame includes: a first and a second side cushion frames installed on a first and a second sides of a seat, and configured to slide forward and rearward, wherein the first and the second sides of the seat are opposite to each other; a center cushion frame provided between the side cushion frames and having a first side fixed to the first side cushion frame; and a support guide device connected between a second side of the center cushion frame and the second side cushion frame, and configured to guide a sliding movement of each of the second side cushion frame and the center cushion frame while supporting weights of the second side cushion frame and the center cushion frame.

Abstract: A knock-down furniture assembly includes (a) a seating assembly having a plurality of first end connectors and a plurality of second end connectors; (b) a first arm having a plurality of first arm connectors, each first arm connector and a corresponding first end connector defining a first pair of interlockable connectors for removably attaching the first arm to the seating assembly; and (c) a second arm including a plurality of second arm connectors, each second arm connector and a corresponding second end connector defining a second pair of interlockable connectors for removably attaching the second arm to the seating assembly. Each pair of interlockable connectors includes (i) a female bracket defining a bracket channel extending along a channel axis oriented generally vertically, and (ii) a male bracket having a slide member slidable into the bracket channel generally along the channel axis for interlocking thereof.

Abstract: The invention relates to a seat arrangement for a means of transport, in particular for a means of passenger transport, wherein the seat arrangement can be arranged on the means of transport by means of a fastening device, wherein the seat arrangement is intended and suitable for providing a sitting position at standing height, wherein the seat arrangement comprises at least one frame element, wherein a seat cover is arranged on or in the at least one frame element, wherein the seat cover is a knitted fabric.

Abstract: A vehicle seat includes a lock-to-neutral-position mechanism that locks a seat cushion at a neutral position, and an immediate lock mechanism that locks the seat cushion immediately at a current position when locking is required. A steering sensor senses a steering angle and a steering angular velocity. The immediate lock mechanism performs the locking when the steering angle is large, whereas the lock-to-neutral-position mechanism performs the locking when the steering velocity is high. When the steering wheel is at the neutral position, the locking by the immediate lock mechanism is released and the locking is switched over to the lock-to-neutral-position mechanism that is in a lock ready state.

Abstract: A frame beam member may include a tubular volume. The tubular volume may include at least one wall with one or more undulations in a radial direction along a length of the tubular volume. The one or more undulations may be configured to allow the tubular volume to absorb energy of a load applied during a flight scenario through local bending of the one or more undulations. The one or more undulations may be configured to have a first curvature when unloaded, and may be configured to have a second curvature when the load is applied. The second curvature may be different than the first curvature. The frame beam member may be one of a plurality of frame beam members of the aircraft seat frame. The plurality of frame beam members may be configured to couple to a plurality of joints of the aircraft seat frame.

Abstract: A dropper seatpost head assembly is disclosed. The assembly includes a lower post for insertion into a seat tube of a vehicle and an upper post having a housing coupled at one end thereof, the upper post to telescopically slide with respect to the lower post to form a dropper seatpost. The assembly also includes a saddle rail clamp assembly having a lower saddle rail clamping portion rotatably coupled with the housing and an upper saddle rail clamping portion to couple with the lower saddle rail clamping portion to form a clamping structure. The lower saddle rail clamping portion having a drooped shape such that the lower saddle rail clamping portion and the clamping structure hang down in a plane that intersects at least a portion of the housing.

Abstract: The present disclosure relates to a vehicle seat frame structure comprising a backrest frame part and a seat cushion frame part. The backrest frame part and the seat cushion frame part are supported by a pivot bearing for being pivoted about a pivot axis. A spring device is biased with the pivoting movement. The spring device is only effective in a comfort inclination angular region. If the backrest frame part is pivoted out of the comfort inclination angular region towards the front, the spring device is released from the force flow between the backrest frame part and the seat cushion frame part. The release is provided by a shaft-hub-connection between a coupling section of a shaft and a hub of a hub body, the shaft-hub-connection comprising an angular clearance.