Abstract: It allows a more complete cooling of the generator, comprising: a magnetic core with a crown (3) from the periphery whereof emerge teeth (4) which have coiled windings (5); an external cooling circuit (9) to carry a coolant fluid; at least one through-hole (12) running along the interior of each tooth (4), and at least one first duct (13), to connect the through-hole (12) with the external cooling circuit (9) and with the through-hole (12) so that it allows the passage of the coolant fluid, the first duct (13, 16) being interposed between one end (7, 8) of the tooth (4) and the winding (5).

Abstract: A windmill generator is provided configured to produce electric current to a receiving device when flux lines of a magnetic field are crossed by a coil. The windmill generator comprises a coil frame armature around which a coil is wrapped. Rare earth magnets are disposed in proximity to the coil. A set of wings may be coupled to the coil frame armature. When motion is induced to the coil from the pushing effect of moving air pushing the set of wings, an electric field and electric current due are produced due to flux lines of the magnetic field of the magnet being crossed by the moving coil. Alternatively, the set of wings may be coupled to the at least one magnet. When motion is induced to a magnet, an electric field/electric current is produced.

Abstract: A connection assembly for a power system is disclosed. The connection assembly may have a housing configured to be connected to a stationary portion of a generator and a bearing operatively connected to the housing. The connection assembly may also have a shaft supported by the bearing and configured to be connected to a rotor of the generator. The connection assembly may additionally have an adapter coupled to the housing and configured to be connected to an engine. The shaft may extend through an opening in the housing and an opening in the adapter to connect with a crankshaft of the engine.

Abstract: An airflow control arrangement for a direct-drive wind-turbine with a generator comprising a rotor and a stator, which airflow control arrangement comprises an outflow fan arranged to draw an exit airflow through an exit duct, which exit duct extends from an interior cavity of the stator to the exterior of the wind turbine. The invention further describes a direct-drive wind turbine comprising such an airflow control arrangement. The invention further describes a method of controlling an airflow in a direct-drive wind-turbine with a generator comprising a rotor and a stator is provided.

Abstract: The present invention relates to a micro power generator and power generation method using a liquid droplet to produce electricity using alternating current (AC) power induced by changing the contact areas of a liquid droplet between two electrode plates by vibration. The micro power generator according to the present invention includes first and second electrode plates positioned adjacent to and facing each other; an ion-containing liquid droplet positioned between the first and second electrode plates; and a power generation unit for producing electricity using AC voltage generated between the first and second electrode plates while as at least one of the first and second electrode plates is vibrated, a contact area between each of the first and second electrode plates and the liquid droplet changes with time.

Abstract: A regenerative shock absorber that include a housing and a piston that moves at least partially through the housing when the shock is compressed or extended from a rest position. When the piston moves, hydraulic fluid is pressurized and drives a hydraulic motor. The hydraulic motor, in turn, drives an electric generator that produced electric energy. The electric energy may be provided to a vehicle, among other things. The regenerative shock absorber may also provide ride performance that comparable to or exceeds that of conventional shock absorbers.

Abstract: An attachment system for securing an accessory to a vehicle is disclosed. The attachment system generally comprises at least a locking mechanism mountable to, or integral with, the accessory, and a base mounted to, or integral with, the vehicle. The locking mechanism generally comprises an actuator configured to actuate or displace at least a pair of locking elements between an inoperative (or unlocked) position and an operative (or locked) position. The base generally comprises at least one opening configured to at least partially receive the locking mechanism. The attachment system generally allows the installation and removal of the accessory by actuating the actuator of the at least one locking mechanism.

Abstract: Provided is a door locking device which includes: a latch mechanism with which a striker is engageable or from which the striker is disengageable; a first link which operates the latch mechanism in an interlocking manner with an inner door handle so as to release the striker; a second link which is movable between an unlocked position where the second link is operated in an interlocking manner with the first link and a locked position where the second link is not operated in an interlocking manner with the first link, and operates the latch mechanism in an interlocking manner with an outer handle by way of the first link in the unlocked position so as to release the striker; and a locking lever which changes over the second link between the unlocked position and the locked position.

Abstract: A vehicle door lock apparatus includes a housing, a fork in the housing, a pawl selectively preventing pivoting movement of the fork, a first lever having one end coupleable to a door handle and a second lever pivotably supported at a second end of the first lever and shiftable from a first position to a second position by application of inertial force. When the first lever pivots and the second lever is in the first position the second lever comes into contact with the pawl and releases the fork and when the second lever is in the second position it moves with the first lever independently of the pawl. A third lever selectively places the second lever in the second position and a retention device prevents the second lever from moving the pawl when first lever moves and the third lever is holding the second lever in the second position.

Abstract: A door plate provides better safety and security. The plate cannot be kicked in or provide access to a door to be picked. The door plate, in conjunction with a doorjamb, makes one strong unit. The door plate wraps the vulnerable area of the doorjamb with its steel property thus becomes more impervious to splitting the edge of the doorjamb or any part of the protected area of the wrapping.

Abstract: An entrance door security system is provided, comprising a door reinforcement assembly; having a front plate, with an indent and a deadbolt hole, with an extended door reinforcement cylinder extending from deadbolt hole, and also having opposing flanges extending over the interior face and exterior faces of the door, adapted to receive a deadbolt assembly within a deadbolt bore; and door reinforcement bolts inserted through the door and establishing a secure fit between the opposing flanges. The bolts are secured by a threaded nut on the exterior face of the door with a smooth head to prevent disassembly from the exterior side. A deadbolt striker plate assembly, and a security hinge assembly are also provided, such that all three weak areas of the door are more resistant to attempts to breach the door, thus providing extreme entrance door security.

Abstract: A vehicle impact-absorbing member has a columnar wood member and a hollow cylindrical metal frame body covering side-surfaces of the wood member and is configured to axially receive a compression load caused by impact in the event of a collision in an axial direction of wood member. The frame body may have a square cylindrical shape. A ratio of an outer side in a hollow square cross-sectional surface of the frame body to a thickness of the frame body is set to a range of 9-12.

Abstract: A sinusoidal crush can assembly for a bumper assembly includes a top wall, a bottom wall spaced from the top wall, and a pair of spaced side walls that extend between the top wall and the bottom wall to present a generally tubular and trapezoidal shape. The crush can assembly further includes a sinusoidal wave portion disposed along each of the walls from the rear end towards the front end. Each of the wave portions include peaks and troughs that define a sinusoidal wave depth, and the sinusoidal wave depth reduces gradually from the front end toward the rear end. Each of the peaks and the troughs are aligned with one another. The crush can assembly further includes a wave portion separator that extends angularly between adjacent ones of the wave portions to transition between each of the sinusoidal wave portions that are disposed along each of the walls.

Abstract: The purpose of the present invention is to provide an Animal Pet Waste Collector and a Waste Storage Container. The Animal Pet Waste Collector includes an Operation Stick and a Waste-collecting Bag connected at the front of said Operation Stick. Said Waste-collecting Bag comprises of a Bag and a Ring Frame, with a protruding Fork Lever on the Ring Frame that can be inserted in the Operation Stick's Front End's Socket and clamped. When the User presses a Button on the Operation Stick's Rear End with their fingers, the Fork Lever would detach from the Operation Stick's Socket and cause the Waste-collecting Bag into the trashcan, accomplishing the purpose of collecting animal pet waste in an easy way and fulfilling the environmental needs of keeping the ground waste-free.

Abstract: A system for distributing the weight of a column section during lifting by a crane is provided. The system can include a roundness ring disposed about an outer circumference of the column section, the roundness ring configured to provide support to the column section such that the column section maintains a substantially cylindrical shape during movement of the column section; a plurality of shims configured to be wedged between the roundness ring and the outer circumference of the column section to improve the fit between the roundness ring and the column section; and a plurality of lifting lugs, wherein the lifting lug is configured to receive a lifting force from the crane and transfer this lifting force to the roundness ring.

Abstract: A biasing device that returns to a rest position when the biasing device is subjected to one of a first compression by a first object and a first tension by a second object in which the first tension causes a second compression of a third object, in which the first compression causes a second tension of the third object, in which elongation of the rod assembly simultaneously occurs with the first tension and the second compression, and in which elongation of the rod assembly simultaneously occurs with the second tension and the first compression.

Abstract: A hand-held firewood handling device (100) for grasping, lifting, and placing pieces of wood in and around a bonfire. The device is made of a rod (20) inserted into a tube (10), the rod formed with a handle (28) at one end and with a rotating prong (26) on the other end. The tube features a pair of spaced-apart stationary prongs (12) welded to its distal end, the stationary prongs positioned on the tube so that when the rod is rotated inside the tube, the rotating prong (26) is offset in the space between the stationary prongs (12). In use, the handle is rotated to move the rotating prong away from the stationary prongs and positioned over a log. Rotating the handle in an opposite direction until the prongs are securely around the log, the log is repositioned as desired and released by rotating the handle to open the prongs.

Abstract: A gripper (1) for a contact lens (CL) includes a gripper head (10) having a bearing surface (11), the bearing surface (11) having at least one opening (110) through which underpressure can be applied in order to suck the contact lens (CL) against the bearing surface (11) and through which overpressure can be applied in order to release the contact lens (CL) from the bearing surface (11). The gripper further includes a detection opening (111) in the bearing surface (11) through which a separate underpressure can be applied.

Abstract: A tendon-driven robotic gripper is disclosed for performing fingertip and enveloping grasps. One embodiment comprises two fingers, each with two links, and is actuated using a single active tendon. During unobstructed closing, the distal links remain parallel, creating exact fingertip grasps. Conversely, if the proximal links are stopped by contact with an object, the distal links start flexing, creating a stable enveloping grasp. The route of the active tendon and the parameters of the springs providing passive extension forces are optimized in order to achieve this behavior. An additional passive tendon is disclosed that may be used as a constraint preventing the gripper from entering undesirable parts of the joint workspace. A method for optimizing the dimensions of the links in order to achieve enveloping grasps of a large range of objects is disclosed and applied to a set of common household objects.

Abstract: The invention is of an anthropomorphic automobile accessory of a bovine species. The anthropomorphic accessory gives the automobile the look of a bull, a buffalo or any bovine species head. The anthropomorphic accessory comes as a set and it is a three-dimensional object. In addition, the anthropomorphic accessory has a custom cover that can be mounted over each of the accessories (horn). The anthropomorphic accessories are meant to advertise a high school, a college, a professional team, a town, a place, an event or a business.

Abstract: A vehicle trim structure for attachment of a resilient clip includes a flange extending generally orthogonally from an interior wall of an automotive vehicle and a plurality of ribs protruding generally orthogonally from the flange. The flange includes a proximal end integral with the interior wall, a distal end separated from the interior wall, an interior face spanning between the proximal end and the distal end, and an exterior face spanning between the proximal end and the distal end, opposite the interior face. The plurality of ribs extends longitudinally from the proximal end of the flange to the distal end of the flange.

Abstract: A vehicle panel assembly includes a first panel, a second panel and a retaining element. The first panel has a first side and a second side with at least one aperture extending from the first side to the second side. The second panel overlies a portion of the first side of the first panel. The second panel includes at least one snap-fitting member extending through the at least one aperture and contacting an area of the second side adjacent to the at least one aperture. The retaining element includes at least one restricting part that extends from the second side of the first panel into the at least one aperture to restrict movement of the snap-fitting member and inhibit disengagement of the snap-fitting member with the area of the second side adjacent to the at least one aperture.

Abstract: The mobile scuba diving centre is an equipment designed to streamline the logistics associated to various ways of the scuba diving operation, by enhancing both safety and comfort, and preventing damages to the scuba equipment, while enabling to easily make available complete support bases for diving in remote locations, as well as eliminating or considerably reducing all manual assignments that are typically connected with the activity hereof. The mobile scuba diving centre includes a base structure that comprises such diverse elements like a shell (1), stowage drawers (3), clipping devices (4) or support boxes for the scuba tanks (15), the compressor hose lines to fill the scuba tanks, a rotary hanging rod to hang wetsuits and dry-suits and also an assembly line of hoses and sprays to wash the scuba gear inside the drawers (9) and another assembly line of hoses and sprays to wash wetsuits, scuba tanks and BCs (10). The dive centre can further include a ramp or access steps (13) and a protection awning (14).

Abstract: A positionable vehicle partition system includes at least two rails, a substantially planar partition for separating a vehicle area into at least two sections, a slide assembly to facilitate movement of the partition relative to the rails, and a latch for retaining the partition in a selected position relative to the rails. The rails are configured to be mountable in a spaced apart parallel relationship. The slide assembly includes at least a stationary slide member affixed to or defined by each of the rails, and at least one movable slide member extending away from and directly or indirectly affixed to the partition.

Abstract: A vehicle console assembly includes a vehicle console and a support member. The vehicle console includes first and second cup holders. Each of the cup holders has an upper opening defined by a surface of the vehicle console and a bottom portion extending downwardly in the vehicle. The bottom portions of the cup holders are spaced from each other. The support member directly couples the bottom portion of the first cup holder to the bottom portion of the second cup holder. Also, the support member is spaced apart from the surface of the vehicle console that defines the upper openings.

Abstract: A sealing arrangement for vehicle windows is described. The sealing arrangement has at least a holding rail that has a locking channel, which is formed by a guide rail and a resilient leg, and is fastened to a window and a cover that has a guide channel, which is formed by a locking rail and a positioning stop. The guide rail is arranged in the guide channel and the locking rail is latched in the locking channel. A locking hook is latched onto the resilient leg in a projecting region of the locking rail and a resilient element is clamped in the guide channel between a stop face on the underside of the cover and the guide rail.

Abstract: Storable exterior lift cover systems, apparatus, devices, methods, etc. are configured to be used in connection with a lift device or the like (such as an exterior lift used to raise, transport, store and lower mobility devices like scooters, power chairs and the like) mounted to a motor vehicle using a trailer hitch or the like. To aid in protecting the lift and any cargo thereon, a covering apparatus has a foldable frame that can be unfolded to allow a pliable material cover to extend over the lift platform and any cargo. Retraction of the cover and folding of the frame compactly configures and stores the cover apparatus, for example in space between the lift platform and a motor vehicle to which the lift is secured. Embodiments of the storable exterior lift cover system permit easily deployment and storage of a cover that can be reliably transported externally in its deployed or stored configuration.

Abstract: A vehicle having a body structure defining a window opening, the window opening at least partially framed by a window sash defining a sash channel in communication with the window opening; a laminated window panel movable within the window opening along a plane of the window opening; and a retaining structure located between the window sash and the window panel and configured to retentively engage the window panel in the presence of a transverse force on the window panel even if the window panel has become slack.

Abstract: A window regulator comprises a carrier plate, a drive unit, a raising cable, a lowering cable, and a guide rail. The carrier plate is attached to a lower part on a first edge part side of the windowglass. The drive unit is capable of raising and lowering the windowglass via the carrier plate. The drive unit and the carrier plate are coupled by the raising cable and the lowering cable. The guide rail mates with the carrier plate so as to guide the carrier plate and constrain the operation of the windowglass to directions that intersect movement directions of the carrier plate.

Abstract: A drag reducing apparatus is provided for use with vehicles having surfaces that are not streamlined. The apparatus includes an exterior cover that forms a drag reducing shape when the apparatus is fully extended. The apparatus can be retracted to a space saving configuration. A scissors linkage extends and retracts the apparatus. The scissors linkage can be motorized, and the motor can extend the scissors linkage by turning in a first direction and can retract the apparatus by turning in a second direction. The scissors linkage can hold the exterior cover taut when the apparatus is fully extended. The scissors linkage can support the exterior cover at intermediate locations when the apparatus is not fully extended. The apparatus can include support linkages and intermediate moveable members that support the exterior cover and define the drag reducing shape.

Abstract: A rear spoiler device for a vehicle that has a rear door includes an air guiding element configured to attach to a lateral rear zone of the vehicle. The air guiding element can be pivoted between a travel position for contour extension and aerodynamic air guidance with the rear door of the vehicle closed, and a position in which it is hinged inwards with the rear door open. To this end, the air guiding element can be received in a hinge of the rear door, and the rear spoiler device has a spring device that presses the air guiding element in the travel position against a counter-stop formed on the hinge, preferably, on a hinge plate fastened to the rear door.

Abstract: An active air flap device for vehicles includes a first flap installed in the front end of a vehicle and is configured such that the first flap is rotated by power of an actuator so as to be opened or closed, a second flap installed at a location around the first flap and configured such that the second flap is rotated so as to be opened or closed, and a link module connected to the first flap at a first end thereof and connected to the second flap at a second end thereof, and configured such that the link module is moved upward and downward, with a regulation unit provided in a central portion of the link module so that the regulation unit can connect or disconnect a link of the first flap to or from a link of the second flap.

Abstract: An air-guiding device (12) is arranged in a rear-end region of a vehicle and has a central main air-guiding element (13) that is displaceable from a retracted rest position into a deployed operating position. Lateral auxiliary air-guiding elements (14, 15) are adjustable substantially linearly relative to the main air-guiding element (13) in a direction transverse to the longitudinal direction of the vehicle to be transferred from a rest position, in which they are retracted into the main air-guiding element (13), into an operating position, in which they are deployed out of the main air-guiding element (13). Each auxiliary air-guiding element is movable along a guide unit (22) in the main air-guiding element (13) and is guided in the guide unit (22) in a first direction by at least one slide element (26) and in a second direction by at least one guide pin (27).

Abstract: A beam sub-assembly for a vehicle includes a beam member and at least one carbon-fiber prepreg bonded to a first portion of an exterior surface of the beam member so as to cover an entire length of the beam member along the first portion.

Abstract: The deformation element has a profile part and may be of U-shaped profile with legs in cross section or may be of single-shear configuration. The deformation element has at least one side wall formed in the manner of an accordion with z-shaped deformation folds. The predefined deformation folds are provided in a direction transverse to an acting force and are arranged opposed to one another.

Abstract: Impact protection structures for vehicles are described. An impact protection structure includes a support structure of the vehicle, an interior rail coupled to the support structure, and an exterior rail coupled to the interior rail. The exterior rail has an inboard boundary wall positioned between an upper mounting region and a lower mounting region. The upper and the lower exterior mounting region of the exterior rail are coupled to an upper and a lower mounting region of the interior rail. At least a portion of the inboard boundary wall is spaced apart from an outboard wall of the interior rail such that when the exterior rail is impacted by a blunt-object barrier, the inboard boundary wall of the exterior rail deforms, thereby damping energy of the impact at the exterior rail and arresting crack propagation between the exterior rail and the interior rail.

Abstract: A cover member of a vehicle body outer panel coupling part covers a step portion with a height difference that is just the thickness of a sheet thickness, by overlapping a roof side rail outer panel, which has a surface that continues to a surface of a vehicle body, on a center pillar outer panel, which has the surface. The cover member comprises: a cover body that is attached to a coupling recess, and is obtained by mixing a magnetic power with a thermoplastic resin; and an adhesive resin layer that is applied to an attachment surface that forms an inner surface facing the center pillar outer panel and the roof side rail outer panel of the cover body.

Abstract: The invention relates to a magnetic field shield for electromagnetic fields, preferably in the frequency range of 50 Hz to 200 kHz, essentially comprising a composite sheet formed from at least three layers arranged one above the other, wherein at least one of the layers is made of electrical steel sheet or electrical steel strip. In order to provide at low cost such a magnetic field shield that has low weight and good shielding effect, it is proposed that at least one of the layers is made of sheet steel and at least one of the layers is made of plastic and/or elastomer, wherein the at least one layer made of plastic and/or elastomer integrally bonds together the at least one layer made of electrical steel sheet/electrical steel strip and the at least one layer made of sheet steel.

Abstract: A vehicle frame includes an outside rail section having an upper flange, a lower flange, and an inward facing cavity between the upper and lower flanges. An inside rail section is coupled along the upper and lower flanges of the outside rail section and has an outward facing cavity that aligns with the inward facing cavity to enclose an interior volume. A pair of hydroform tubes extending vertically through apertures at spaced longitudinal locations in the upper flange and engage a bottom surface of the inward cavity to define a pillar for supporting a vehicle roof.

Abstract: A foldable chair includes a seat frame unit, a leg frame unit, and a leg frame assembling unit. The leg frame unit includes two leg frames and is pivotable relative to the seat frame unit to change between an unfolded use state and a folded state. The leg frame assembling unit includes at least one resilient fastener and at least one pusher. The resilient fastener has a locking head to immobilize the one of the leg frames in the unfolded use state. The pusher has a protruding portion to push the locking head that is retracted inwardly from the seat frame unit, thereby releasing the one of the leg frames from the unfolded use state relative to the seat frame unit.

Abstract: The present application provides a folding chair including a first backrest tube, on which a first through-hole bracket is sleeved; a second backrest tube, on which a second through-hole bracket is sleeved; a first connecting component connecting the first backrest tube and the second backrest tube; a first intersecting tube including a first front-leg tube and a first rear-leg tube which are articulated to one another; a second intersecting tube including a second front-leg tube and a second rear-leg tube which are articulated to one another; and a second connecting component connecting the first intersecting tube and the second intersecting tube. The folding chair further comprises a first waist-rest portion and a second waist-rest portion which are symmetrically arranged, and are configured to fit a waist curve when the folding chair is unfolded.

Abstract: To obtain a vehicular seat with which the expansion and deployment of expanding portions can be completed in a short amount of time. A vehicular seat has: a seat cushion; a first expanding portion that is provided in the seat cushion on one side thereof with respect to a seat width direction center and which, upon receiving a supply of gas, is expanded and deployed; a second expanding portion that is provided in the seat cushion on the other side thereof with respect to the seat width direction center and which, upon receiving a supply of gas, is expanded and deployed in such a way as to oppose the first expanding portion across a central space portion in the seat width direction; and gas supplying device which, when actuated at the time of a frontal impact of the vehicle, supplies gas to the first expanding portion and second expanding portion.

Abstract: A seat has a sitting surface and a back surface completely covered with an arrangement including first, second, and third layers. The first layer is formed of a seat material or leather and has a first side facing a user and a second side facing away from the user. The second side of the first layer is arranged on the second layer. The second layer has a third side facing the first layer and a fourth side facing away from the first layer. The second layer has an absorber to absorb moisture with a first component layer facing the first layer and having a first hydrophilicity and a second component layer having a second hydrophilicity greater than the first hydrophilicity. The third layer has an air duct layer. The second component layer faces the third layer, and the fourth side is arranged on the third layer.

Abstract: A belt system is designed for use by salon workers to manage a variety of the heavy and/or bulky containers and implements used for cutting, coloring, perms, hair treatments, and any other table-free cosmetologist operation. The belt system can be a worn belt system that can be removably secured about a waist of a user. Alternatively, the belt system can be a salon chair belt system, where a belt is disposed about the back and sides of a salon chair. In either embodiment, the belt can have a hook and loop fastener disposed on its outer surface. One or more detachable equipment holders, having a hook and loop fastener, can be removably attached to the belt. In each embodiment, the implements for the cosmetologist can be readily available for convenient access.

Abstract: An improved system to raise and lower a seat by a simplified parallelogram motion. By replacing two of the links of a parallelogram seat lift system with an arc, space and material can be saved to fit and adjustable seat on a ATV. The system can be useful on many varieties of vehicles and other adjustable supports.

Abstract: A vehicle seat assembly is provided. The assembly includes a seat back member and a haptic alert assembly. The haptic alert assembly includes a first actuator incorporated into the seat back member. The first actuator is configured to generate at least a first portion of a haptic alert.

Abstract: A rapid drying inflatable cushion for floating on water includes an inflatable element surrounded by a covering. The covering includes a top side adapted for the user and a bottom side made from a mesh adapted to interface with the water. The covering includes a sidewall, the sidewall has a portion which includes an opening which may be opened or shut by a zipper to permit the inflatable element to be placed in or removed from the covering. The inflatable element has a air valve which would be proximal the closed position of the zipper to allow ease of inflation or deflation. The mesh permits any water or other material which may have infiltrated the covering to exit when removed from the water, permitting the rapid drying inflatable cushion to rapidly dry.

Abstract: The invention relates to a double folding seat for a vehicle, particularly a public transportation vehicle such as a bus or a train, with a bench seat positioned in the direction of travel of the vehicle that has a backrest and a seating surface that can be folded between a home position and a sitting position, with a retaining device for holding a wheelchair or the like that has at least two hooks arranged in extension of the backrest and mounted on a wall supported on a floor of the vehicle, which hooks can be tightened by means of respective tightening members and loosened by respective loosening members, with a safety belt for the wheelchair user and with a covering for the tightening members and loosening members.

Abstract: An infant restraint system includes: a back rest portion; a seat portion connected to a lower portion of the back rest portion swingably between an in-use and storage position; upper side position regulating portions formed on a left and right portion of an upper portion of the back rest surface; lower side position regulating portions formed on a left portion and a right portion of the back rest surface at a position below the upper side position regulating portions; an upper body belt portion which includes the pair of shoulder belts and a pair of tongue plates attached to the pair of shoulder belts; a side guard portion respectively extending frontward from a left edge portion and a right edge portion of a lower portion of the back rest portion; and a crotch belt portion having a buckle body which is detachably engaged with the pair of tongue plates.

Abstract: A lumbar support apparatus includes a curved plate which is provided to a seat-back frame so that the upper part of the curved plate is rotatable in the vertical direction, and which is deformable in the direction in which a seated person's lumbar spine is pressed; a curved-plate deformation-amount adjustment unit including a threaded rod having an external thread foamed on the peripheral surface thereof, and a nut member that is threadedly engaged with the external thread of the threaded rod and is attached to the lower part of the curved plate so as to be prohibited from rotating about a center axis and so as to be movable in the vertical direction; and a drive unit for rotatingly driving the threaded rod.