Abstract: A reusable paperclip can accommodate a large range of paper stack sizes. It is configured to bind a stack from one corner without becoming distorted in shape when used on a large stack. The clip has vertical members to prevent horizontal and vertical movement of the stacked papers and connected horizontal members to apply pressure to the surfaces of the stack to frictionally bind the stacked papers. The clip is easily placed and removed by the user, and allows a person to view all information on a standard formatted page with little to no obstruction of the printed information. The clip also allows a user to flip though a stack of papers and easily remove individual papers from the stack or insert additional pages without disturbing the sheets and without the need to remove or adjust the position of the clip.

Abstract: A sheet material dispenser is provided for a utensil item that allows a user to dispense individual sheets of material, such as adhesive notes, tape, or paper material, from the upper end of a writing utensil or similar tool. The device comprises one of a sheet material housing or support, whereby individual sheets are dispensed from the upper end of the utensil and the device remains connected to the utensil item while the utensil item is used. The housing comprises one of a rectangular or rounded housing with an elongated slot therealong to dispense individual sheets of material. The upper end of the housing is secured closed using an end cap. The sheet material support comprises a U-shaped assembly that supports a stack of exposed sheets for individual dispensation. The lower end of each device comprises an aperture adapted to secure to the upper end of the utensil.

Abstract: The invention is a paint can holder, allowing a painter to hold a paint container for easy access when painting, having a base with a ledge integrally formed to the base, securely conforming to a sealing lip of the paint can, and a handle with a pair of inwardly bent legs extending through the handle connecting the handle to the base and a pair of hinge connecting means. An over center clamping member connects to the hinge connecting means, allowing the handle to cause the over center clamping member to clamp the base to the sealing lip of the paint can. A connecting component threads through a clip hole in the base simultaneously attaching to a user's garment. The invention may be used for home improvement or construction to carry a paint and other articles, allowing the paint can to remain upright without spilling.

Abstract: A decorative concrete structure simulating natural wood and a method of fabricating the same is disclosed. A concrete mixture is poured over a subgrade which defines an exposed surface. The exposed surface is swept with a broom, saw cut, and optionally stained, and sealed to simulate aesthetic appearance of the natural wood.

Abstract: A structurally supported tire includes a ground contacting annular tread portion, an annular hoop structure for supporting a load on the tire, a means for attachment to a vehicle rim, and a ply structure secured to a first axial limit and extending radially outward and between the hoop structure and the tread portion and further extending radially inward from between the hoop structure and tread portion to a second axial limit. The ply structure is secured to both the first axial limit and the second axial limit. The tread portion is secured to a radially outer surface of the ply structure. The hoop structure is secured to a radially inner surface of the ply structure.

Abstract: A walk-behind working tool having a frame, a power source, and a handle attached to the frame is provided. The working tool includes at least one axle operatively connected to the frame and a pair of wheel assemblies connected to the axle. The wheel assemblies include a hub, a rim, a tire, and a flexible vibration dampening assembly that operatively connects the hub and rim, wherein the dampening assembly is configured to reduce the vibration transferred between the rim and hub and through the handle to the operator. The dampening assembly includes a plurality of elastic elements having a spring constant for smoothing out movement of the frame when the working tool is guided over rough or uneven ground.

Abstract: A multidirectional wheel for traversing a surface that includes a hub having a first axial direction of rotation. A plurality of rollers are disposed around an outer periphery of the hub. The rollers are mounted for rotation in a second axial direction that is at an angle to the first axial direction. The wheel includes at least one magnet that is mounted to the hub. The hub is made of a magnetically inducible material that concentrates the flux of the at least one magnet toward the surface being traversed. A method for traversing a magnetically inducible surface using the multidirectional wheel is further provided.

Abstract: A wheel rim includes a rim body, two firm tracks, and a plurality of hollow anti-thermal unit. The two firm tracks were mounted on two sides of the rim body, and these hollow anti-thermal units are spread in two firm tracks. The hollow anti-thermal unit can reduce transfer rate of the thermal when braking a car.

Abstract: A wheel float that articulates in multiple directions for efficiently and safely moving an object across a surface having a non-planar obstruction. The wheel float has a pair of walking beam assemblies, a crosstube assembly having a crosstube interconnecting the walking beam assemblies, a pedestal supported by the crosstube and a center pivot assembly that allows the crosstube assembly to pivot relative to the pedestal. The pedestal has a support surface that supports the object above the walking beam assemblies. Each walking beam assembly has a base plate, wheeled casters, a pair of spaced apart hangers and a bushing assembly associated with an articulation opening in each of the hangers. Pivot members at the ends of the crosstube assembly engage the hanger bushings to allow the respective walking beam assembly to pivot relative to the crosstube. Thrust blocks or locating plates position the walking beam assemblies on the crosstube assembly.

Abstract: Two-piece axle shafts are disclosed. The shafts may include an outer ring including an outer portion and an inner portion recessed in the outer portion and having a first passage defined therein and an axle shaft including a bar and a flanged end having a second passage defined therein and forming a press fit with the outer ring. A fastener may extend within the first and second passages. The flanged end may have an outer perimeter that forms a press fit with a wall extending between the inner portion and the outer portion of the outer ring. The fasteners may be press-fit fasteners or threaded fasteners. In one embodiment, there may be a plurality of apertures in the inner portion and the flanged end and fasteners may extend through both apertures and secure to a wheel hub. The two-piece axle shaft may reduce transverse grain flow.

Abstract: A tire strengthening system for strengthening a tire is provided. The tire has an inner surface and an inner tube positioned against the inner surface with the inner surface having a pair of sidewalls and a tread area between the sidewalls. The tire strengthening system comprises an adhesive layer applied to the inner surface of the tire and a strengthening material positioned on the adhesive layer. The combined adhesive layer and strengthening material reinforces the structural integrity of the tire, enabling the tire to run longer and smoother and effectively preventing flat tires and blowouts from occurring.

Abstract: A structurally supported tire includes a ground contacting annular tread portion, an annular hoop structure for supporting a load on the tire, a means for attachment to a vehicle rim, and a ply structure secured to a first axial limit and extending radially outward and between the hoop structure and the tread portion and further extending radially inward from between the hoop structure and tread portion to a second axial limit. The ply structure is secured to both the first axial limit and the second axial limit. The tread portion is secured to a radially outer surface of the ply structure. The hoop structure is secured to a radially inner surface of the ply structure.

Abstract: The rubber composite comprises a steel reinforcing element coated with an adhesive layer coating at least a portion of the reinforcing element. The adhesive layer comprises an adhesive composition comprising at least one phenol/aldehyde resin based on at least: one aromatic aldehyde and one polyphenol comprising one or more aromatic nucleus/nuclei. The coated steel reinforcing element is embedded in a rubber matrix based on a rubber composition comprising a crosslinking system comprising a content of molecular sulphur ranging from 1 to 5 phr.

Abstract: A steel reinforcing element comprises: one or more threadlike reinforcing elements each comprising a steel core; a layer of a coating of a copper-tin alloy coating at least a portion of the steel core of the or each threadlike reinforcing element; and an adhesive layer coating at least a portion of the layer of the coating of copper-tin alloy of the or each threadlike reinforcing element. The adhesive layer comprises an adhesive composition comprising at least one phenol/aldehyde resin based on at least: one aromatic aldehyde and one polyphenol comprising one or more aromatic nucleus/nuclei.

Abstract: A heavy duty pneumatic tire includes a tread, a pair of side walls, and a belt. The tread includes a base layer and a cap layer on the base layer such that boundary between the base layer and the cap layer is exposed on the side surfaces of the tread and the boundary on the side surfaces is on radial direction inner side of the edges of the side walls, and the tread is formed such that when an imaginary line passing through edge of the belt and extending in axial direction is set and a portion of the imaginary line intersecting the tread is a line segment AL, a ratio of width of the base layer in width of the tread is 70% or more where the width of the tread is length of the segment AL, and the base layer has a loss tangent of 0.06 or less.

Abstract: A pneumatic tire includes a first projection foamed on a buttress portion, and projecting toward the outside in a tire width direction. The first projection includes a projection body projecting outwardly in the tire width direction from the buttress portion, a first side portion adjacent to the projection body in a tire circumferential direction, and a second side portion adjacent to the first side portion in the tire circumferential direction. The projection body has a main surface extending along the surface of the buttress portion. The first side portion has a first stepped surface positioned away from the main surface toward the inside in the tire width direction by a first distance. The second side portion has a second stepped surface positioned away from the main surface toward the inside in the tire width direction by a second distance which differs from the first distance.

Abstract: A pneumatic tire whose position when mounted on a vehicle is specified has a tread portion 2 having an outside tread edge Teo, an inside tread edge Tei, an outside crown land region 6, and an inside crown land region 7. In a meridian cross-section of the tire including the rotational axis of the tire in its regular state mounted on a regular rim, inflated to a regular pressure and loaded with no tire load, the outside crown land region 6 and the inside crown land region 7 each have a tread convexed outwardly in the tire radial direction, and the radius of curvature R1 of the tread of the outside crown land region 6 is greater than the radius of curvature R2 of the tread of the inside crown land region 7.

Abstract: The tire tread presents a thickness T20 and a sipe (30) having a length and a depth d3o extending into the tread thickness in a direction away from an outer, ground-engaging side of the tread. The sipe articulates between an open configuration and a closed configuration as the tire rotates during tire operation. The sipe has a variable-width W30 extending transverse to the sipe length and transverse to the depth in the open configuration, the variable-width being defined by a pair of opposing sipe sides (34). The variable-width decreases as the depth increases into the tread thickness in a direction away from the outer, ground-engaging side. The opposing sipe sides substantially engage each other at substantially the same time in the closed configuration.

Abstract: A pneumatic tire includes a fastener disposed on a tire inner surface, the fastener being a first fastener of a separatable pair of mechanical fasteners and being composed of at least two fastener members. The at least two fastener members sandwich a rubber-coated fiber reinforced member and fix together. The fastener is disposed at a position such that a distance (D) in a tire width direction from a center position (C) of the fastener to a tire equator line (L) and a maximum width (W) of the tire satisfy a following relationship: 0?D/W?0.40. The fiber reinforced member includes a plurality of fiber bundles disposed in alignment in at least one direction, a number of fiber bundles Y (bundles/50 mm width) per unit width of the fiber reinforced member being such that: 20?Y (bundles/50 mm width)?90.

Abstract: An air maintenance system includes a rotating inner ring secured to a vehicle wheel, a stationary outer ring maintaining a constant angular position, an occlusion roller rotationally fixed to the stationary outer ring, the occlusion roller having a protruding portion centered axially at a radially outer surface of the occlusion roller with axially outer portions of the occlusion roller being radially recessed from the protruding portion and supported by bearing surfaces of the rotating inner ring, spacer rollers rotationally fixed to the stationary outer ring and rotationally supported by the bearing surfaces, and a flexible tube defining a pump cavity, the air maintenance system pumping a fluid from the ambient environment into a pneumatic tire by applying an occluding force against the flexible tube, periodically occluding portions of the pump cavity.

Abstract: An air maintenance system includes a rotating inner ring associated with a vehicle wheel, a stationary outer ring maintaining a constant angular position, the stationary outer ring including ring segments secured together by a plurality of connecting shafts, an occlusion roller rotationally fixed to the stationary outer ring by a first connecting shaft of the plurality of connecting shafts, the occlusion roller having a protruding portion centered axially at a radially outer surface of the occlusion roller with axially outer portions of the occlusion roller being radially recessed from the protruding portion and supported by bearing surfaces of the rotating inner ring, spacer rollers rotationally fixed to the stationary outer ring by second and third connecting shafts of the plurality of connecting shafts and rotationally supported by the bearing surfaces, and a flexible tube defining a pump cavity, the air maintenance system pumping a fluid from the ambient environment into a pneumatic tire by applying an oc

Abstract: A road classification system for determining a road surface condition includes a model having as an input changes in the measured axle vertical acceleration of the vehicle. The model further uses a sensor-measured tire inflation pressure and a tire construction type ascertained from a tire-based identification tag.

Abstract: A method for controlling a tire pressure monitoring system (TPMS) in a vehicle includes: measuring an air pressure of each tire included in the vehicle; and determining whether the air pressure of at least one tire is lower than a warning threshold level. When the at least one tire has a lower pressure than the warning threshold level, warning sign is provided regarding a tire having a hysteresis air pressure which is ranged between the warning threshold level and a normal pressure level.

Abstract: A tow pin has a main body portion in a columnar shape and a first protrusion protruding outward from an outer circumferential surface of the main body portion. An upper bracket structure has a first through hole in which the main body portion is inserted and restricts passage of the first protrusion. A lower bracket is located under the upper bracket structure at a distance from the upper bracket structure and has a second through hole in which the tow pin can be inserted. The main body portion of the tow pin is inserted in at least the first through hole and the first protrusion is located under the upper bracket structure.

Abstract: A mining machine frame having a primary tow plate is disclosed, as well as a tow retrieval system for mounting to the primary tow plate of a mining machine frame. The tow retrieval system may include a brake release mounting plate configured for attachment to the primary tow plate of the mining machine frame. The tow retrieval system may also include a towing attachment also configured for attachment to the primary tow plate of the mining machine frame. The towing attachment may be further configured to receive a retrieval instrument during a towing operation.

Abstract: A trailer hitch system for a vehicle includes a hitch assembly and a controller. The hitch assembly includes a receiver configured to attach with first and second chains of a trailer. The first and second chains each have a sensor being configured to transmit data indicative of a position of the corresponding chain. The controller is configured to, in response to the data indicating a crossed position of the chains, display via an interface a crossed status of the chains.

Abstract: A suspension assembly of an axle/suspension system for a heavy-duty vehicle is mounted on the heavy-duty vehicle frame or sub-frame via a beam of the suspension assembly which is pivotally connected to a hanger connected to the vehicle frame. The pivotal connection includes the hanger, the beam, a bushing assembly and a fastener group, and a textured feature formed in at least one of at least a portion of the hanger, at least a portion of the bushing assembly, or at least a portion of the fastening means so that the textured feature inhibits relative movement of the bushing assembly with respect to the hanger.

Abstract: A bushing for use in a vehicle leaf-spring suspension system, the bushing including a cylindrical sleeve including an internal passageway extending from first to second ends of the sleeve, the sleeve dimensioned to receive a shackle bolt therethrough; an elastomeric member at least substantially surrounding and extending radially outwardly from an exterior circumferential surface of the sleeve, and the elastomeric member having a pair of spaced-apart, circumferential channels positioned between the first and second ends of the sleeve, the channels dividing the elastomeric member into three radially-extending portions, one of which radially-extending portions is intermediate the other radially-extending portions; a rigid retainer ring positioned over the intermediate one of the radially-extending portions, the retainer ring having spaced-apart sidewalls extending into the circumferential channels so as to capture the intermediate one of the radially-extending portions therebetween; lubricant disposed between t

Abstract: The invention relates to a gas spring system for a motor vehicle, with a gas pressure generation unit that can be connected via fluid connections to at least one gas pressure receiver. It is provided therein that the gas pressure generation unit is designed to be operated by gas pressure and configured to be operated by an energy gas pressure of an energy gas for a motor vehicle drive.

Abstract: A damper control system includes a controller configured to estimate a temperature of a damper fluid based on data relating to heat added to and heat removed from the fluid. At least one damper is operatively coupled to the controller, and the controller is configured to control a size of a damper flow path of the at least one damper based on the estimated temperature. Methods relate to controlling at least one damper based on an estimated temperature of a damper fluid.

Abstract: A signal level detection device 1 and a signal level detection method according to a means for solving a problem of the present invention varies a cut-off frequency ?c, of a variable low-pass filter 3 which filters a signal level r. The cut-off frequency ?c is varied based on the signal level r or information referred to for estimating the signal level. The signal level detection device 1 and the signal level detection method therefore reduce a delay of a rise of the obtained signal level r from an actual signal level, and sufficiently remove noise superimposed on the signal level r even when the signal level r is extremely low. Accordingly, control performance improves regardless of a degree of the signal level r.

Abstract: A suspension system for a vehicle is provided. The vehicle comprises a pair of rear wheels and a prop-shaft. A rear drive unit is operably coupled between the prop-shaft and the pair of rear wheels, the rear drive unit being configured to transmit torque from the prop-shaft to the pair of rear wheels. A twist-beam structure is provided having a first trailing arm and a second trailing arm. Each of the trailing arms is operably coupled to one of the pair of rear wheels. The twist-beam structure further comprising a curved beam member extending between the trailing arms, the curved beam member having a center portion disposed offset from the prop-shaft. A Watt linkage includes a first link coupled to the first trailing arm and a second link coupled to the second trailing arm.

Abstract: A vehicle air-conditioning apparatus has a duct that is configured to supply an air-conditioned air to a vehicle interior, and has a resinous base layer, and an infrared reflective layer formed on a surface of the resinous base layer facing a vehicle exterior to reflect an infrared ray.

Abstract: An air conditioning system for a vehicle is provided. The air conditioning system includes a cooling module having a cooling duct and an evaporator core, and a heating module having a heating duct and an inner condenser. Additionally, an outer condenser is disposed extraneous to the heating duct, and a blower forms air flow in the cooling duct or the heating duct. The inner condenser, the outer condenser and the evaporator core are connected via a single refrigerant passage.

Abstract: The present disclosure relates to a thermal dissipation system of an electric vehicle that includes: a heat exchanger arranged at the front part of the electric vehicle for providing heating or cooling to an air conditioning system of the electric vehicle; a first heat sink and a second heat sink, which are respectively arranged at the two sides of the front part of the heat exchanger; a number of rotatable and adjustable air deflectors for changing the flow direction of the air flowing through the heat dissipation system. Temperature sensors are included within the thermal dissipation system for sensing the working temperatures and the environmental temperatures of a battery pack and a motor of the electric vehicle. Opening and closing states of the air deflectors are adjusted in accordance with data provided by the temperature sensors.

Abstract: An arrangement is provided for feeding ventilation air to a ventilation device. The arrangement includes an air chamber and an air guide dividing the air chamber into a first subchamber and a second subchamber. A countercurrent air stream formed in the second subchamber is fed by the air guide into the first subchamber so that the countercurrent air stream impinges in a direction substantially opposite to a main air stream formed in the first subchamber.

Abstract: A method and an apparatus for controlling a compressor are provided. The method includes measuring a vehicle speed, an engine speed, a position value of an accelerator pedal, and an external air temperature and comparing the vehicle speed with a predetermined speed. A basic operation rate of the compressor is then determined based on the engine speed and the position value of the accelerator pedal when the vehicle speed is equal to or less than the predetermined speed. A final operation rate of the compressor is determined based on the external air temperature and the determined basic operation rate and the compressor is operated based on the determined final operation rate.

Abstract: An air vent for a vehicle is provided. In particular, a diffusion air vent for a vehicle discharges air in a concentrated and diffused manner by controlling a discharge direction of the air. The air vent concentratedly and diffusedly discharges air by an air discharge mode change mechanism based on a dial rotation operation. Further, a damper is configured to be opened or closed based on the dial rotation operation to permit and interrupt air discharge.

Abstract: The invention relates to an air outlet for a heating and ventilation or air-conditioning system of a motor vehicle, wherein the air outlet has a body defining an air discharge opening, over which at least one elongate louver extends, which is pivotable about a longitudinal axis. At least one electric or electronic display and/or operating element of the heating and ventilation or air-conditioning system of the motor vehicle is integrated in the at least one louver, wherein each display and/or operating element is carried by the louver and is substantially flush with a substantially flat surface of the louver.

Abstract: An air cleaning system for a vehicle includes: an air purification button generating an operation signal for purifying air in an interior of the vehicle; an inside air purification unit blocking air outside of the vehicle from being introduced into the interior of the vehicle and filtering and circulating air inside of the vehicle, when the air purification button is operated; a fog detection unit detecting a humidity of a window of the vehicle by detecting moisture on the window; and a controller controlling an operation of the inside air purification unit when the air purification button is operated and determining whether a defogging unit of the vehicle for removing the moisture on the window is to be operated based on a signal from the fog detection unit.

Abstract: A method of manufacturing a door for a vehicle includes molding a door inner panel using a polymer composite; molding a door frame assembly using an aluminum alloy or a steel alloy, the door frame assembly defining a space to be opened or closed by a door glass; molding a door outer panel using an aluminum alloy or a steel alloy; molding an impact beam using an aluminum alloy or a steel alloy, the impact beam serving to increase rigidity of a side surface of the door; coupling the molded door frame assembly and the molded impact beam to the door inner panel; and coupling the door inner panel, which is coupled to the door frame assembly and the impact beam, to the door outer panel.

Abstract: A bodywork or chassis component for a vehicle includes a first sheet having a first connection flange and a second sheet having a second connection flange, the first and second sheets being joined in correspondence of the respective first and second connection flanges. The first connection flange is a flange folded back towards the first sheet so as to define a valley with the first sheet. The second connection flange is overlapped to said first connection flange for an overlap length and it is at least in part joined to said first connection flange by a welding at that joins a perimeter edge of the second connection flange to a side of the first connection flange external with respect to said valley. The first and second connection flanges are parallel to one another in correspondence of the overlap length. The invention further includes a method for manufacturing of the aforementioned component.

Abstract: A sheet of sun blocking material has a forward edge, a rear edge, and side edges. At least one forward suction cup is attached to the front edge of the sheet. The forward suction cup is removably coupled to a vehicle between the headlights. A box has a slot exteriorly and a roller interiorly. The sheet extends through the slot. The rearward edge of the sheet is attached to the roller. A spring urges the roller with the sheet to an inoperative coiled orientation within the box. At least one rearward suction cup is attached to the box. The rearward suction cup is removably coupled to the rear window of the vehicle.

Abstract: A vehicle covering system that may include a cover having a first fold and a last fold, a first arm and a second arm, an arm (opening/closing) mechanism to open and close the first arm and the second arm, a folding mechanism to fold and unfold the cover; and a control system to cause the opening/closing mechanism to open the first arm and the second arm from a closed position to an opened position and cause the arm mechanism to close the first arm and the second arm from an opened position to a closed position, and cause the folding mechanism to fold and unfold the cover when the first and the second arms are in an opened position.

Abstract: A power transmission apparatus for a vehicle may include a first input shaft directly connected to an engine, a second input shaft selectively receiving torque of the engine through a first clutch, a third input shaft selectively receiving the torque of the engine through a second clutch, an intermediate shaft disposed in parallel with the first, second, and third input shafts, a transfer gear fixedly disposed on the intermediate shaft, an first shifting member outputting first and second preliminarily shifted torques, an second shifting member outputting third and fourth preliminarily shifted torques, a third shifting member outputting eight forward speed stage stages and one reverse speed stage, and an auxiliary power source disposed on a supply of the torque transmitted from the first shifting member and the second shifting member to the third shifting member and supplying torque to the third shifting member.

Abstract: A cooling module is formed by stacking a condenser mounted in order to cool an engine of a vehicle and cool a refrigerant of an air conditioner, an electronic radiator disposed below the condenser, an engine radiator, and a fan shroud assembly and capable of improving cooling performance of the electronic radiator by forming the engine radiator in only a region in which the condenser is formed or forming the engine radiator in a portion of a region in which the electronic radiator is formed as well as the region in which the condenser is formed, in a height direction and including an air guide installed at a portion corresponding to the electronic radiator below the engine radiator to allow air to be introduced toward the electronic radiator.

Abstract: In a work vehicle, a fuel supply path including a first fuel supply path connecting a first fuel tank to a merging portion, a second fuel supply path connecting a second fuel tank to the merging portion, and a common supply path connecting the merging portion to an engine is formed. A fuel pump supplying fuel to the engine is provided in the common supply path. Check valves that open according to a differential pressure between pressures on the fuel tank side and the merging portion side are interposed on the first fuel supply path and the second fuel supply path. A communication channel establishes communication between an upper space of the first fuel tank and an upper space of the second fuel tank is formed.

Abstract: Systems and methods for installing and sealing a fuel pump in a fuel tank are disclosed. In one embodiment, a system for installing and sealing a fuel pump in a fuel tank may include (1) a fuel tank with an opening in a surface thereof; and (2) a fuel pump hanger assembly, the fuel pump hanger assembly comprising; (a) a plurality of assembly screws; (b) a plurality of clamping lugs configured to thread onto the plurality of assembly screws and engage an inside surface of the fuel tank; (c) a top plate further comprising; (i) a bearing surface configured to engage an external fuel tank surface; (ii) a plurality of through holes proximate the perimeter of the top plate and perpendicular to the bearing surface; (iii) a plurality of bosses, each of the plurality of bosses adjacent to each through hole, configured to guide and position the each clamping lug; and (d) a gasket positioned between the top plate and the fuel tank.

Abstract: A non-cylinder type composite pressure vessel of a vehicle is provided. The vessel includes a nozzle boss that includes a neck part having a hollow portion and a flange part that extends outward from the neck part. Additionally, a liner is engaged with the nozzle boss, thereby forming in the inside thereof a fluid filling space. The liner is formed stepped along a rim of an outer side of a reinforced area formed at an end portion of the fluid filling space.

Abstract: Immediately after attaching a filler cap to a fill opening, a spring raises a valve body and the rise/fall member, so that a laterally outer circumference of a valve body point contacts with plural convex portions of a second side wall, thereby closing the valve portion. In such a state, coming and going of a fluid between a first space S1 and an opening S3 is not allowed. When a pressure in the fuel tank reaches 5 kPa, the fluid rise a first air passage formed in spaces between respective convex portions on the second side wall, passing the valve portion. Rising fluid lowers the valve body to allow discharging an excessive pressure to the exterior of the fuel tank.