Abstract: A circuit board is provided in which peeling strength is prevented from decreasing and a connection resistance to a conductive material is prevented from increasing, though the contact area decreases when the circuit board has a copper foil. This circuit board has a metal film for covering a through hole on at least one surface of an insulating substrate having the through hole filled with the conductive material. An uneven layer with a thickness of 5 ?m or more is formed on a surface of the metal film, and a metal layer is formed on the opposite surface to the uneven layer.

Abstract: The present invention relates to a center conductor insulator with a tapered entry for use with a coaxial cable transmission line connector that provides guiding and centering of a center conductor pin within the connector. The present invention further relates to a front sleeve assembly for use with a coaxial cable transmission line connector which incorporates a center conductor insulator with a tapered entry to guide and center a center conductor pin within the connector. The present invention also relates to a compression ring assembly for mounting a connector to a cable, the assembly having a collet engaging a tapered rear seal to compress the collet about the cable. The present invention further relates to a method of mounting a connector to a cable with a compression ring assembly incorporating a collet and tapered rear seal.

Abstract: A honeycomb structure includes a plurality of substantially parallel channels, a layer of at least partially structured metal foils and a housing. The layer includes a number N of at least partially structured metal foils and a number N+1 of smooth metal foils. The number N=1, 2 or 3 and two of the smooth metal foils are exterior foils. A method for producing such a honeycomb structure is also provided. The honeycomb structure is used, in particular in exhaust gas systems of mobile internal combustion engines.

Abstract: A magnet (10) that is an annular member is fixed or secured on an outer circumference surface or an inner circumference surface of a yoke (4) that is a cylindrical member. An lower end surface in the axial direction of the magnet is fixed or secured to the same plane as a lower end surface in the axial direction of the yoke (4), or the lower end surface in the axial direction of the magnet is fixed or secured so as to protrude a little from the lower end surface in the axial direction of the yoke. An annular groove (4a) that is recessed outward in the radial direction or inward in the radial direction is formed on a part of the outer circumference surface or the inner circumference surface that is continuous to the yoke (4).

Abstract: A two step system or stage is provided to manufacturer a bumper of “B” shape cross section including a roll forming-welding stage where a straight cross member of a length to mount on the front or rear of various models of automobiles and the bending stage where any curvature or sweep is introduced into the cross member as required by the design of the automobile. The roll forming welding stage include the spot or tack welding of the front wall to the web followed immediately by welding together without any gaps therebetween the abutting longitudinal edges utilizing a high frequency welder. Thus, the “B” shaped cross section of the bumper may be used to make different bumpers of various lengths and curvatures.

Abstract: A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned between the front and rear surface of the housing are one or more shaving blades having a blade length extending along respective one or more parallel blade axes. A guard at the front portion of the housing includes an elastomeric member that extends along a guard axis that is parallel to the respective one or more blade axes. The elastomeric member has a length along the guard axis that is greater than or equal to the blade length.

Abstract: A suction connection arrangement for a compass saw includes a suction connection element (26) for connecting suction flow producing apparatus with the compass saw, a suction channel (24) for connecting the suction cross-section (18) of the saw with the suction connection element and completely separable from the compass saw (2), and a connection device (30) for releasably connecting the suction connection elements (26) with the saw housing (4).

Abstract: A razor handle supports a razor head, which is attachable to a supporting stem. The handle has an elongated body, which defines a body longitudinal axis, a razor head attachment member for attaching the razor head to said razor handle adjacent a body first end, and a handle-to-stem attachment member for attaching said razor handle adjacent a body second end to the stem. The attachment member has a slot, which defines a retention segment and an insertion segment. The retention segment defines a longitudinal axis, which is parallel to the body axis, and which leads into the retention segment. The insertion segment allows the stem to be inserted into the retention segment so that the razor handle can be suspended from the supporting stem.

Abstract: A lithographic apparatus comprising a first frame and a second frame, the first frame and the second frame being moveable in a first direction relative to one another. The first frame is provided with a ruler having distance indicators disposed in the first direction for monitoring by an associated ruler monitoring sensor. The second frame is provided with a second sensor arranged to measure the distance between the second sensor and the ruler in a second direction orthogonal to the first direction, using the ruler as a reference surface.

Abstract: Disclosed is a celestial identification device. According to some embodiments, the device includes a housing, a positioning sensor, and a light generator structured to generate an indicator beam that can be pointed at celestial objects. The positioning sensor can include sensors to determine altitude and azimuth of the device. The light generator can be a laser and mounted to a moveable pivot or deflected by mirrors and/or lenses such that the light beam points in a different direction than the housing. The device can be coupled to a feedback device, such as an audio player to communicate information about celestial objects to a user. The device can also contain or be coupled to a database of celestial objects such that, when combined with the positional data of the device, can determine at which object the device is pointing.

Abstract: An alignment tool includes a base, a column, and a ball. The base is manufactured from a material with a high material density and includes a crosshair. The column is machined out of an optical transparent material and is attached to the base. The ball is positioned within the column at the end opposite to the base and above the center of the crosshair. The alignment tool may not only be used to properly align a radiation source with an area of interest of a part to be inspected but also as an alignment quality indicator providing information of proper alignment to an interpreter of the radiograph taken. Therefore, the need to take multiple exposures can be eliminated. The alignment quality indicator is suitable for, but not limited to, applications in the aerospace industry, such as nondestructive testing and evaluation of airframes during aircraft manufacturing, maintenance, and repair.

Abstract: A chalk line reel having a housing and a closure assembly. The housing has a storage space for a supply of chalk and a spool around which a supply of flexible line can be wrapped. The housing further has a wall with a fill opening therethrough in communication with a storage space. The closure assembly selectively a) blocks the fill opening to confine chalk in the storage space and b) exposes the fill opening to allow introduction of chalk from a supply thereof through the fill opening into the storage space. The closure assembly has a body that is engaged with the housing wall so as to substantially fully block the fill opening with the body in an operative position, and is repositionable from the operative position into a second position wherein the fill opening is exposed. The body has a graspable tab that can be engaged by a user to facilitate repositioning of the body from the operative position into the second position.

Abstract: A string line box tool comprising a chalk line box and a line block integral therewith used for guiding a string line rearward from the chalk line box through a groove in the line block in order to provide a free holding string line for carpentry or construction work. To effect this condition the hook shaped protrusion of the line block will hook onto one end of a work project while the L-shaped metal tab on the free end of the string line will hook onto the opposite end of the work project, the string line being under tension during this condition.

Abstract: A tool for holding a framing square has a body with a pair of spaced longitudinal slots accommodating the flat legs of the framing square. Clamping devices mounted on the body clamp the body on the legs of the framing square to fix the position of the framing square on the body.

Abstract: The invention relates to a holder for test objects, which are composed of at least two targets and at least one connecting element, comprising at least one carrier, at least one guide, which is arranged on or/and in the at least one carrier, and seats for the targets of at least one test object, wherein at least one seat can be moved along the at least one guide such that an adaptation of the position of the at least one movable seat to the position of one target of the test object is possible. Furthermore, the invention relates to a test object for the holder previously mentioned, comprising at least two targets and at least one connecting element, wherein the targets and connecting elements can be selected from a given set of single targets and single connecting elements and combined to form a test object.

Abstract: A detector supporting mechanism comprising a first arm having its one end fixed on a mount linearly movable relative to a workpiece, the first arm having a rotation axis at the other end and a second arm provided on the first arm so as to be turnable on the rotation axis relative to the first arm, a detector being mounted on a tip of the second arm, wherein the rotation axis is provided on a plane inclined at an angle of 45° from the movement axis of the mount while being inclined at an angle of 45° from the movement axis of the mount in a projection on a plane which is inclined at an angle of 45° from the plane inclined at an angle of 45° from the movement axis of the mount, and which contains the movement axis of the mount, and wherein an axis of the detector mounted on the second arm intersects the rotation axis.

Abstract: Positions of a plurality of reference points arranged on a reference plate (200) having a larger area than a measurement area of a measuring machine (300) are obtained as coordinate points on a standardized reference coordinate system. First, the plurality of reference points are grouped according to the measurement area of the measuring machine (300). At this time, the reference points are grouped so that one of the groups shares a predetermined number or more of the reference points with the other one of the groups (a grouping step). The reference points are measured for each of the groups (a measuring step).

Abstract: The invention is directed to a gauge assembly that is used to measure parameters of camshaft journals or other objects with cylindrical surfaces. The gauge assembly includes two gauges, the first is an air snap gauge and the second a linear variable differential transducer. The air snap gauge is slidingly attached to the base and the second gauge is attached to a base as well. Air resistance measurements, taken through the air snap gauge provide a measure of diameter of the journal while relative linear motion between the base and air snap gauge, measured by the second gauge, provides a measure of journal runout relative to the center axis of the camshaft. Control logic is used to calculate other parameters such as runout of a journal relative to another journal on a common camshaft.

Abstract: A condenser of a condensing-type dryer is provided. In the condensing-type dryer, a hydrophilic film is formed on a heat emission plate by a plasma discharge. In the heat emission plate, an indoor air can be heat exchanged with a circulation air cycling in a drum. A contact angle of a condensed waterdrop formed on the heat emission plate is decreased through the hydrophilic film, thereby making it possible to decrease a flow resistance due to the condensed waterdrop.

Abstract: A method for drying a honeycomb formed body using microwaves is provided. The method can reduce the difference in the drying speed inside the honeycomb formed bodies during the drying process and can dry the honeycomb formed bodies without cell deformation. The method comprises placing the honeycomb formed body in a drying furnace with the cell axis in the vertical direction and irradiating the honeycomb with microwaves at a frequency of 300–30,000 MHz. The difference of the water content in the vertical direction of the honeycomb formed body 1 is maintained at 0.3% per mm or less during microwave irradiation.

Abstract: A footwear construction including a midsole having medial and lateral flanges, and that defines a recess in the heel. An upper can be joined to the flanges along a lower peripheral allowance of the upper. The flanges can be separated into a medial forefoot flange segment and a medial heel flange segment, and a lateral forefoot flange segment and a lateral heel flange segment, respectively. The footwear optionally can include an outsole and an optional heel wedge, either or both of which can define a secondary recess into which the midsole interfits. A method for constructing the footwear includes providing the midsole, joining an upper peripheral allowance with the flanges, and joining an outsole with the midsole. Optionally, a heel wedge can be secured between the midsole and the outsole.

Abstract: An inflatable doll display has a barrel and a doll. The barrel has an inner wall and an outer wall, and a board transversely provided in an interior of the barrel to form an upper chamber and a lower chamber. The fabric doll is provided on the board and has a plane transversely provided in a middle portion of the doll to form an upper part and a lower part. An inflator is mounted in the lower chamber and has a first tube which is received between the inner wall and the outer wall, and a second tube which is inserted into the lower part. A first end of a third tube is inserted into the barrel and a second end of the third tube is inserted into the upper part. Hence, with the alternating operation of the inflator, the doll is raised or lowered to achieve an attractive effect.

Abstract: A flexible, substantially non-stretchable, imprintable tape which includes lines of weakness constituting tear lines defining in outline a longitudinal series of symmetrical identification bracelets. Each bracelet has a generally rectangular imprintable portion, a first elongated strap portion at one end of the imprintable portion, and a second elongated strap portion at an opposite end of the imprintable portion. The imprintable portion has a width equal to the width of the tape and the first and second portions each have a width substantially less than that of the tape. The first strap portion has a longitudinal edge aligned with one of the side edges of the tape and an opposite longitudinal edge defined by one of the lines of weakness. The second strap portion has a longitudinal edge aligned with an opposite side edge of the tape relative to the first strap portion and an opposite longitudinal edge defined by another one of the lines of weakness. No part of the tape is wasted.

Abstract: Electronic ignition systems which are designed for use with personal firearms utilizing black powder (or black powder substitutes) such as shotguns, rifles, and pistols. Generally, the firearms will be of the type classified as muzzleloaders. The electronic ignition systems generate an electric arc in the barrel of the firearm which ignites the propellant charge in the firearm discharging it when a firing switch is closed.

Abstract: A bipod type gun support has a generally cylindrical hub that defines a barrel-receiving bore that can be slipped onto and off of the muzzle end of the gun. Downwardly diverging legs are integrally joined to opposite sides of the hub to present a one-piece construction. A slot along the top of the hub facilitates a slight amount of resilient flexing of sidewall portions of the hub toward and away from one another when the diverging legs are squeezed and released, thus enlarging the bore of the hub sufficiently to facilitate installation and removal of the support from the barrel. Preferably, the support is molded from a synthetic resinous material.

Abstract: An outrigger holder for mounting on the top of a T-Top configured boat, has a bearing mechanism mounted above the T-Top designed to relieve most of the weight of the outrigger when turning the holder and outrigger to alternate positions.

Abstract: A fishing lure resists flipping over while in fast rough water being fished at different speeds so the person fishing the lure can control the action of the lure to simulate natural bait when fishing at different depths, including close to the bottom. One embodiment provides a spoon-shaped body having a hook extending from the rear of the body. A shank assembly is slidably disposed through the body. Another embodiment provides a spoon-shaped body having a hook extending from the rear of the body. A shank assembly is slidably disposed through the body with spinning blades attached to the upper and lower ends of the shank assembly.

Abstract: A downrigger release comprises a “scissors-like” release clip, which includes a release arm mounted to an arm holder and adapted to rotate between closed and open positions for carrying and releasing a fishing line, a bifurcated pincer clip, which includes a pair of beams that receive the arm holder, an axially extensible and retractible spring for connecting the pincer clip to a downrigger line, a retainer for retaining and triggering release of the release clip from the pincer clip, the retainer comprising a boss on one of the beams and a detent on the arm holder, release being effectuated by the action of a transverse force camming the boss outwardly from engagement with the detent, a positioner for positioning the release arm in the closed position, and a force adjuster for adjusting the amount of transverse force needed to trigger release of the pincer clip from the release clip.

Abstract: A swing flap (10) for the entry and exit of pets comprising a frame (11), which can be fixed to an opening (12) made in a door or a wall, equipped at the top with hinged means of constraint for a flap (20), and a first function selector (30), designed to control the opening and closing functions of the swing flap (10), this selector comprising a knob (29) integral with a first pair of elements (31, 32) being shaped in such a way to allow, respectively: the opening of the flap (20) in a first direction; the opening of the flap (20) in a second direction, opposite to the first direction; the opening of the flap (20) in both directions; blocking of the opening of the flap (20). The first selector (30) is kinematically connected to a second selector (36), not equipped with a knob but with a second pair of elements (31?, 32?) which control the opening and closing of the flap (20) depending on how the knob (29) is turned.

Abstract: The present invention teaches an improved balance shoe. The improved balance shoe of the present invention comprises a balance shoe housing for retaining a sash in a channel of a window. The housing can have a base section and at least one side section. A pivot member can be employed by the housing. Upon rotation, the pivot member can force at least one side support member into contact with a side wall of a window jamb channel when the window is tilted.

Abstract: A door weather strip has a mounting base portion, a hollow seal portion, a sub-seal lip, and a backside seal lip. Leading lips are provided in the middle of a front pillar part in such a way as to connect the backside seal lip to the sub-seal lip. Each of the leading lips forms an acute angle with respect to an extending direction of the backside seal lip. Especially, in an attached state, an intersection angle ? formed between the backside seal slip and each of the leading lips is set to be smaller than an angle ? formed between the extending direction of the backside seal lip, and a vertical line.

Abstract: A door for a telepresence display booth having improved acoustics comprises a projection screen frame and a projection screen. The projection screen is coupled to the projection screen frame and comprises a trapezoidal surface. A viewing surface of the projection screen is oriented such that a normal vector for the viewing surface comprises horizontal and vertical components. An accessible telepresence display booth having improved acoustics comprises a surround screen and a door assembly for accessing the display booth. The surround screen provides a viewing surface for rear projecting an immersion scene to a user. The surround screen is configured such that a normal vector for the surround screen comprises horizontal and vertical components. The door assembly is coupled to the surround screen and provides access to the display booth through a portion of the surround screen.

Abstract: Internally stiffened composite panels and associated manufacturing methods. In one embodiment, an internally stiffened composite panel includes a first face sheet, a second face sheet offset from the first face sheet, and at least one core portion sandwiched between the first and second face sheets. In one aspect of this embodiment, the composite panel further includes a stiffener disposed between the first and second face sheets adjacent to the core portion. The stiffener can have a first attachment portion attached to the first face sheet, a second attachment portion attached to the second face sheet, and an intermediate portion extending between the first and second attachment portions. In another aspect of this embodiment, one or both of the first and second attachment portions is configured to engage a fastener, such as a blind fastener, for attaching a part to the composite panel.

Abstract: A demountable and remountable wall assembly for partitioning room space between an overhead and a floor, the major elements of which are reusable. The assembly provides one or two walls, at lease one of which has an outer fastener-free surface. Additionally, the fastener-free surface may be made substantially smooth and seamless. The walls are arranged in planar congruence, separated by internal spacers or studs, and vertically positioned between the overhead and floor of the room space to be partitioned. Removable tracks or spacers at the top and bottom of the wall assembly serves to interface the wall assembly with the floor and ceiling of the space. The walls are constructed of either finished or unfinished wall panels (e.g., fabric covered or sheet rock panels) which are incorporated into the assembly using a combination of removable fasteners and releasable adhesives. The finished or exposed area of a wall surface includes no fasteners.

Abstract: A prestressed or post-tensioned composite structural system for bridge floors, road beds, pedestrian walkways, building floors, building walls, or similar structural elements. The structural system comprises a composite structure comprising an unfilled grating as a base component, and a prestressed, post-tensioned reinforced concrete slab as a top component. The base grating component is preferably a plurality of main bearing bars without any distribution bars or tertiary bars. The upper portions of the main bearing bars are embedded in the concrete component permitting horizontal shear transfer and creating a composite deck structure which maximizes the use of tensile strength of steel and the compressive strength of concrete.

Abstract: The invention relates to a paving system for tiles, especially flagstones, for paving ceilings, walls, or floors, in which each tile is provided with a paving frame on which the tile rests over at least part of its area. The paving frames comprise, on each of two adjacent (intersecting) limbs, a fin for the accommodation of a rubber-elastic sealing profile that defines the width of the seam.

Abstract: Truss assemblies of this invention comprise elongate chord elements having opposed first and second axial ends. Brace elements are used to orient and connect together the chord elements in a desired spatial orientation and have a plate structure. The brace elements comprise chord receiving openings disposed therethrough that are sized to accommodate placement of a respective chord element therein, and that are positioned to provide the desired spatial orientation between the chord elements. The chord element receiving openings and define a portion of the brace element that surrounds the chord element disposed within the opening. A connector is rotatably attached to an end of the chord elements to facilitate attaching the truss assemblies together for the purpose of forming a desired truss system.

Abstract: Mobile home skirt anchor mounting brackets permit standard 2 by 4s to be mounted on the front portion of a common cinderblock to provide a continuous surface to anchor skirting on mobile homes. A top member 12 has one side of a first downward flange attached to one end and one side of a second downward flange attached to its opposing end. A horizontal flange connects one side of a vertical flange to the opposing side of the second downward flange. Fastening holes are present in the middle of the vertical flange. The first downward flange, top member, and second downward flange are adapted to be seated over the top of a cinderblock. The second downward flange, horizontal flange, and vertical flange are adapted to mount the ends of a pair of adjacent 2 by 4s.

Abstract: The invention relates to an apparatus for securing a loose twine end on a round bale by means of a band, with an adjusting drive, that can be operated to cause the band to engage with a conveyor element by which it can be wound about a round bale in the area of the loose twine end. A band supply, along with the band, can be moved by the adjusting drive between a first position, wherein the band supply lies against the conveyor element and the band is carried by the conveyor element, and a second position, wherein the band supply is at a distance from the conveyor element.

Abstract: A vertical stand-up pouch, or flexible package having a zipper seal mechanism incorporated therein, and method for manufacturing same, constructed with a quick change module modification to existing vertical form and fill packaging machines. The invention involves producing a vertical stand-up pouch from a single sheet of packaging film by inserting a zipper seal mechanism on a first side of the packaging film tube and creating a vertical crease along the tube prior to forming a transverse seal on the tube. The zipper seal mechanism is attached to the packaging film prior to sealing the sheet of the packaging film along its longitudinal seam forming a tube comprising, in part, a quick change module that easily installs on the base of a forming tube. Likewise, the crease is formed using fixed or stationary modifications to prior art vertical form, fill, and seal machines comprising, in part, a quick change module that easily installs on the base of a forming tube.

Abstract: A vacuum sealing apparatus has an inlet portion and an intermediate portion. The inlet portion is adapted to couple to, or insert into, a container to be vacuum sealed. The intermediate portion connects to a vacuum source, such as an in-house vacuum system. When the vacuum source is active, air is drawn in through the inlet portion. The vacuum sealing apparatus may also have a contamination filter disposed therein that substantially impedes contaminants from entering the vacuum source. In another configuration, the vacuum sealing apparatus is self-contained and includes a dedicated vacuum source.

Abstract: Vacuum packaging appliances and methods of vacuum packaging objects are disclosed herein. In one embodiment, an appliance includes a base, a lid movably coupled to the base, a vacuum chamber portion on the base and/or the lid for receiving an open end of a bag, and a vacuum pump operably coupled to the vacuum chamber portion for removing gas from the vacuum chamber portion. The lid includes a distal end, a proximal end opposite the distal end, and a major dimension between the distal and proximal ends. The base can also include a distal end, a proximal end opposite the distal end, and a major dimension between the distal and proximal ends.

Abstract: A log packaging apparatus for packaging logs using a turret or a shuttle. The turret or shuttle can be used in conjunction with a wrap conveyor. The turret system can include a rotatable turret with at least one clamp movable into different positions in the apparatus, a log station at which logs are received, and a log ejector for ejecting logs from the log station into clamps of the turret. Logs can be ejected from the log station, through wrap material, and into the turret clamps. In other embodiments, a wrap conveyor inserts wrap material between a shuttle and a log station at which logs are received. Logs in such embodiments can pass from the log station to the shuttle through the wrap material.

Abstract: A side-to-side leveler couples a chain of a suspended cutter deck assembly to the associated cutter deck or, alternatively, to the associated lawnmower frame, so that the height of one side of cutter deck can be adjusted relative the other side while all chains remain under tension. The leveler preferably comprises a bell crank mechanism including a crank that is pivotally attached to one of the cutter deck and the lawnmower frame and that receives an end of the chain. A threaded adjuster cooperates with the crank to drive the crank to pivot and alter the spacing between the side of the cutter deck and the lawnmower frame.

Abstract: An agricultural machine, such as a self-propelled harvester, includes an attachment that is removably mounted to the machine. A transport device is adapted to be removably mounted onto the attachment to support the attachment during road transport of the machine. A receiving assembly, mounted on the machine, receives the transport device and supports the transport device when it is removed from the attachment for harvesting operations.

Abstract: A transport system for a crop header includes a first and a second wheel arrangement on the header frame adjacent a respective ends for acting as a stabilizer when the header is in the operating position and movable to a transport position for transporting the header when removed from the vehicle in a transport direction generally longitudinal of the header frame and at a right angle to the working direction with each being mounted on the header frame for rotation of a rolling direction of the first wheel arrangement between the working position and the transport position, in which the rolling direction is along the transport direction. Each of the wheel arrangements includes two parallel wheels coupled together.

Abstract: Electronic circuitry and control algorithms are described to automatically establish the output voltage of a linear exhaust gas oxygen sensor (e.g., a UEGO sensor) corresponding to an exhaust air-fuel ratio of stoichiometry. The apparatus and control logic herein described may be used to adaptively correct the setpoint of an air-fuel ratio control system in which a UEGO sensor is used in a feedback loop to adjust the fuel injection quantity of an internal combustion engine.

Abstract: High exhaust gas temperatures whereby sulfur is removed from a lean NOx traps simultaneously with regeneration of a Diesel particulate filter is provided by alternating engine operation in respectively defined lean and rich combustion modes. The duration and frequency of the respective lean and rich operating modes, as well as the air/fuel ratio during the respective modes, are preferably controlled by the sensed temperature of the lean NOx trap substrate.

Abstract: An electronic control unit estimates progress of growth in a particle diameter of an ash accumulated in a diesel particulate filter (a DPF), based on an operating state of an engine. If it is determined that an estimated particle diameter of the ash achieved through the progress of the growth is greater than a predetermined value, regeneration of the DPF is compulsorily performed even when a quantity of particulate matters accumulated in the DPF is lower than a reference value, at which the DPF should be regenerated. Thus, the particulate matters are eliminated through combustion, and the ashes are discharged from the DPF.

Abstract: In a secondary air supplying structure of an internal combustion engine, extending portions protruding upward are arranged in the number corresponding to the number of cylinders. Extending portions are each provided with a secondary air distribution path. To a surface of extending portion to which secondary air supplying pipe abuts, a seating face that conforms to the outer shape of secondary air supplying pipe is formed. Secondary air distributing path is arranged to be inclined downwardly from secondary air supplying pipe side toward the cylinder exhaust system of cylinder head. Thus, it is possible to provide the secondary air supplying structure of an internal combustion engine that can attain an improvement in the strength of the secondary air supplying path, reduction of the space, rust prevention, reduced costs, reduced weight, simplified structure, and prevention of thermal damage to other components.