Abstract: The present invention provides a fastening structure and a fastening method for fastening first and second components, ensuring a high degree of freedom in terms of bonding positions and objects, and reducing the number of holes in the components. Specifically, the present invention provides a fastening structure for fastening the first and second components, wherein said fastening structure comprises a pin that has non-helical grooves running in a circumferential direction and aligned along a longitudinal direction, and a collar that is fitted around said pin, and said pin is united with said first component by bonding one end of said pin in the longitudinal direction to said first component without forming a hole in said first component, and said second component has a hole for inserting said pin so that said collar is fitted around and swaged to said pin protruding through the hole.

Abstract: A barrier, such as fence panel, is formed from a plurality of channel-shaped rails and plurality of upright members. Each upright member traverses the rail channels of the rails forming the barrier and is mechanically connected to the rail, such that the upright member is selectively tiltable with respect to the rail within an angular adjustment range. The mechanical connection between rail and upright member may be formed by a weld, such as a resistance weld, by a permanent adhesive, or with a fastener such as bolt or screw. A tab that extends from the rail web may be used to connect a rail to an upright member. The tab may depend from a bracket installed within the rail channel, or may be cut out and bent into the channel from the web. The tab is rotatable about an axis situated at or adjacent the web.

Abstract: A sand trap rake for use on golf courses includes an elongate rake head having an elongate body member with a front end, a back end, and first and second lateral sides between the front and back ends. The rake head defines a raking direction aligned with a direction extending from the front end to the back end. A plurality of tines extend downwardly from the body member and are spaced apart along a longitudinal direction of the rake head, transverse to the raking direction. The rake further includes an elongate front blade extending downwardly from the front end of the body member, and an elongate rear blade extending downwardly from the back end of the body member. The rake may be used in one of four selectable raking modes to prepare a sand surface for golf play.

Abstract: A power tool includes a hammer mechanism, a brushless motor and a cooling fan. The brushless motor includes a rotary member having a motor shaft operably coupled to the hammer mechanism for linearly driving a tool accessory. The cooling fan has a first blade part and is configured to be rotated by the rotary member. The cooling fan includes a polymer portion, which forms at least a portion of the first blade part, and a metal portion disposed in or on the polymer portion. When viewed in a direction parallel to a rotational axis of the cooling fan, the metal member at least partially overlaps the first blade part in a radial direction of the cooling fan.

Abstract: A set of panels including a first panel with a first main plane and a second panel with a second main plane is described. The first panel and the second panel are provided with a mechanical locking device for locking of a first edge of the first panel to a second edge of the second panel at a junction plane, wherein the first main plane is essentially perpendicular to the second main plane and the junction plane is extending at an angle to the first main plane and the second main plane between the first main plane and the second main plane.

Abstract: A furniture assembly and/or a mechanical coupling system for coupling furniture parts together to form an assembled article of furniture. The furniture assembly may include first and second furniture parts, each of which includes a board or other structural member and a coupler. The first furniture part may include a male coupler attached to the board and the second furniture part may include a female coupler attached to the board. The male and female couplers may be coupled together to thereby couple the first and second furniture parts together to form the assembled article of furniture. The male and female couplers may include engagement features that facilitate the coupling of the furniture parts together and to prevent them from becoming detached during normal use of the assembled article of furniture.

Abstract: A splice joint of a main girder of a crane, the main girder including at least two longitudinal main girder parts to be connected to each other by their ends and each having a central web which includes at least one web plate, longitudinal upper and lower flanges, the lower flange protruding from the central web to both sides thereof. The splice joint includes a plate-like tongue-and-groove joint, the tongue-and-groove joint including a tongue fixed to the central web of a main girder part, and a groove fixed to the central web of a second main girder part; and a lower flange joint receiving the bending forces of the splice joint. The tongue-and-groove joints are arranged reversed in relation to each other, and the location of the tongues and grooves on opposite sides of the web is reverse in relation to each other.

Abstract: The present disclosure provides in various embodiments a truss member connector including a first attachment section, a second attachment section, a connection section connecting the first attachment section to the second attachment section, and one or more guide pins. The present disclosure provides in various embodiments a reinforced truss and a method for reinforcing a truss member of a truss with the additional reinforcing member which includes attaching an additional reinforcing member to the truss member with a plurality of truss member connectors to enable rotation of the additional reinforcing member relative to the truss member such that the additional reinforcing member adds support and rigidity to the truss member and the entire truss.

Abstract: A structural fuse is disclosed including a fuse base and a fuse plate extending from the fuse base. The fuse plate may include a reduced diameter yield section configured to yield at loads on the structural fuse above a threshold. The reduced diameter yield section includes a pair of slots on either side of the yield section, which slots receive a pair of spacers. The spacers are integrally formed as part of the fuse plate, and remain attached to the fuse plate during fabrication of the structural fuse.

Abstract: A corrugated washer for use with a corrugated L-foot mounting bracket and a structural mounting rail prevents vertical shear at the joint between the rail and the corrugated L-foot bracket when mounting photovoltaic modules (i.e., solar panels) to a roof of a building or other structure. The design locks the T-bolt from falling off the rail slot, and always aligns the T-bolt in the correct orientation and prevents back-rotation. The corrugations on the washer and L-foot help for making height adjustments, too.

Abstract: The present disclosure provides in various embodiments a truss member connector including a first attachment section, a second attachment section, a connection section connecting the first attachment section to the second attachment section, and one or more guide pins. The present disclosure provides in various embodiments a reinforced truss and a method for reinforcing a truss member of a truss with the additional reinforcing member which includes attaching an additional reinforcing member to the truss member with a plurality of truss member connectors to enable rotation of the additional reinforcing member relative to the truss member such that the additional reinforcing member adds support and rigidity to the truss member and the entire truss.

Abstract: A structural support system of paired top and bottom rails connected by a plurality of vertically-oriented brackets, for use in construction settings such as truss arrangements and staircases. The rails have elongated slots for receiving and retaining connectors of the brackets. For staircase arrangements, the upper rail further includes an upper elongated slot for receiving step supports, and at least two paired top-bottom rails are positioned laterally for a step to be secured to upper surfaces of the laterally-adjacent step supports. Spacers can be employed in any or all of the slots for providing a desired distance between brackets or step supports.

Abstract: A piston for an internal combustion engine is provided. The piston includes a body having a cylindrical outer surface with a ring belt region including an annular uppermost ring groove and a lower ring groove extending into the outer surface. A top land extends from the uppermost ring groove to an upper combustion surface. The body has a pair of pin bosses with pin bores aligned with one another along a pin bore axis. A first piston ring is disposed in the uppermost ring groove and a second piston ring is disposed in the lower ring groove. The body has an annular sealed cooling gallery with a cooling medium contained therein. The sealed cooling gallery is configured in substantial radial alignment between the first and second piston rings to provide optimal cooling to the ring belt region, top land and upper combustion surface.

Abstract: The invention relates to a tightening and adjusting assembly for a steering system of a bicycle. The steering system generally includes a head tube, a steering tube rotatably mounted within the head tube by means of upper and lower headsets, and a handlebar stem tube mounted around the steering tube. The tightening and adjusting assembly has a preload member, an anchoring member and a tightening and adjusting set. The preload member is engaged with a top end of the handlebar stem tube. The anchoring member is abutted against a bottom end of the steering tube. The tightening and adjusting set is disposed in the interior of the steering tube and between the preload member and the anchoring member to draw the preload and anchoring members together and thus preload the upper and lower headsets of the steering system.

Abstract: A bench that serves as a barrier from ballistics and explosions is disclosed. The bench serves the traditional role of providing a seating area while also providing protection from ballistics and explosions originating from an opposite side of the barrier bench. The bench may comprise one or more panels or plates and an upper wall that are adapted to repel ballistics and blasts. The barrier bench further comprises a series of interconnected members that together form a frame which serves to position the one or more panels and upper wall in a relatively upright position so as to form a barrier against ballistics and explosion blasts.

Abstract: A disk brake allowing a connector terminal (255) and a joining terminal (256) to be easily positioned in a width direction thereof and a direction toward an opening portion of a housing, because the joining terminal fixed to one end of a harness includes individual protruding portions (265) and a pair of biasing portions (264). Further, due to each of the biasing portions, the connector terminal and the joining terminal can be brought into close contact with each other. Further, due to the protruding portions of the joining terminal, an end (258A) of the connector terminal and an end (268A) of a contact surface portion (263) can be brought into alignment with each other, which facilitates formation of such a welded portion (266) that extends over the respective ends, and thus achieves a secure connection between the connector terminal and the joining terminal.

Abstract: A decking support system including a plurality of decking support elements, each decking support element including a first decking support engagement feature and a second decking support engagement feature, a plurality of connection elements, each connection element including a first connection feature adapted to co-operate with said first decking support engagement feature of a decking support element, and a second connection feature adapted to co-operate with said second decking support engagement feature of a decking support element, the arrangement being such that a first of said plurality of decking support elements is engageable with a second of said plurality of decking support elements by means of one of said plurality of connection elements dependent on said respective co-operations.

Abstract: A ceiling system having a perimeter frame; a grid configured to support a plurality of substrates; and a plurality of bracket assemblies coupling the grid to the perimeter frame, the plurality of bracket assemblies adjustable between a plurality of states in which the grid is supported at a different height relative to the perimeter frame in each of the plurality of states.

Abstract: A propeller of a pulsed airflow generator, in particular for a standalone portable blower, of the type made up of the assembly of two parts coaxially adjoining one another, i.e.: a first front part made as a single piece and comprising a plurality of twisted blades connected to a central ring, and a second rear part with a generally conical shape also made as a single piece, the central portion of said assembly having a conical shape and making up the rear portion of an air-inlet cone, said propeller being characterised in that said first and second rear parts are secured by a clamping device made up of a hub including two parts assembled coaxially and between which said two parts that make up the propeller are clamped, said hub being rotatably secured to the latter and maintaining said front and rear parts in the assembled position thereof.

Abstract: A pair of outer diaphragms (3a), (3b) is connected to a column (5). The outer diaphragms (3a) and (3b) include female screws (15) formed in a direction so as to be put between an end plate (13a) and the column (5). The end plate (13a) is connected by welding to the end faces of an upper flange part (11a), a lower flange part (11b), and the web of a beam (9a). On upper and lower projecting parts of the end plate (13a), bolt holes 17 are formed at the positions that correspond to the female screws (15) of the outer diaphragms (3a) and (3b). The bolts (7), which are in a direction parallel to the longitudinal direction of the beam (9a), connect the end plate (13a) to the outer diaphragms (3a) and (3b).

Abstract: A cable adjusting unit includes a first member, a second member and an actuator. The second member is movably arranged with respect to the first member. The actuator is operatively coupled to at least one of the first member and the second member. The actuator is arranged to relatively move the first member with respect to the second member.

Abstract: A piston assembly having a piston member and a connecting rod. The piston member has a crown portion and a lower portion bonded together with a cooling gallery formed between them. The connecting rod has a ball end which is positioned in a socket in the piston member. In one embodiment, the ball end can have two flat surfaces and be held in position by C-clips. In another embodiment, the ball end is cylindrically shaped and the socket has a corresponding shape.

Abstract: A one-piece rigid connector allows a nominal construction wood member to slip axially while fixed at its distal end, to accommodate the naturally occurring shrinkage of lumber. The connector surrounds the wood member and attaches to a second wood member to secure the members together. The connector may be slightly larger radially than the first member to accommodate natural movement. In one embodiment, the connector is made of a light gauge sheet metal and attaches a vertical baluster to the horizontal lower deck rail of an elevated wood deck guard rail system. The connector secures the baluster horizontally, but allows the baluster to move vertically to accommodate expansion or contraction of the baluster after construction. The distal end of the baluster is secured using conventional wood screw attachment. The connector includes tabs on each side to allow fastening of the connector to the lower deck rail using conventional wood screws.

Abstract: A structural element for constructing an auxiliary means for the manufacture of a reinforcement includes at least one coupling point for coupling the structural element to another structural element. The structural element is formed from a basic element. The structural element may further include a holding means for holding a reinforcement rod. A method for constructing an auxiliary means and a method for manufacturing a reinforcement are also provided.

Abstract: The subject invention is a clamp that has two halves of an annular ring hingedly connected at one end and capable of being securely fastened to each other at the opposite end. The annular ring is sized to fit tightly around a vertical support post. An upper surface of the annular ring has an upper annular channel, while the lower surface of the annular ring has a lower annular channel. When the clamp is fixed to the vertical support post, a horizontal support adaptor may fit into both the upper and lower annular channels. A resilient engagement strip or button on the adaptor is placed into contact with the lower annular channel in this position and frictionally engages the lower annular channel to prevent lateral movement of the adaptor on the annular ring until such time as the adaptor may be securely attached to the annular ring.

Abstract: A structural element for constructing an auxiliary means for the manufacture of a reinforcement includes at least one coupling point for coupling the structural element to another structural element. The structural element is formed from a basic element. The structural element may further include a holding means for holding a reinforcement rod. A method for constructing an auxiliary means and a method for manufacturing a reinforcement are also provided.

Abstract: To enhance the positioning accuracy between primary members and auxiliary members without need of latch parts such as rivets, an insertion frame structure includes: a pair of primary members having L-shaped cross-sections and placed with the L shapes facing to each other symmetrically; and several auxiliary members having angular U-shaped cross-sections between the primary members. The primary members and the auxiliary members are joined at latch portions. The latch portions of the primary members have clearance-shaped latch holes. The latch portions of the auxiliary members have convex portions to be inserted into the latch holes. Each latch hole has a clearance with a larger dimension than a plate thickness t of the auxiliary members, and continuously from the clearance, a clearance with a dimension smaller than the plate thickness t of the auxiliary members.

Abstract: A universal pedestal mounting assembly includes a lower support structure securable on a supporting surface, an adapter coupled with the lower support structure, and a pedestal tube positioned over the adapter. The adapter is sized corresponding to the pedestal tube. An upper support structure is positioned on the pedestal tube and is configured to secure a component supported on the universal pedestal mounting assembly. A rod is secured between the lower support structure and the upper support structure. The assembly enables pedestal tubes of various sizes to be mounted using the same hardware.

Abstract: There is herein described a connector system. More particularly, there is herein described a connector (100) system which is capable of being used to connect construction modules (120) in a substantially horizontal and/or substantially vertical manner.

Abstract: A panel assembly includes a retainer, a first panel, and a second panel. A weld stud extends from the first panel. The second panel is positioned adjacent to the first panel and defines a hole that circumscribes the weld stud. The retainer includes a base and a nut. The base includes an annular cap and a cylindrical guide feature. The nut has radial fins, one of which is beveled. The cylindrical guide feature is positioned within the hole and circumscribes the weld stud. One of the radial fins is positioned adjacent to an upper surface of the cap, while the radial fin having the beveled surface is received within a slot defined by the cap to secure the nut to the base and the stud. Tabs may be arranged on an inner bore of the nut. A method of using the retainer in a panel assembly is also disclosed.

Abstract: The disclosure relates to a fastening device with a stem which is engaged on a first end by a cross-dowel with a transverse threaded aperture and on a second end by a cylinder with a set-screw. The second end of the stem includes an aperture surrounded by an oval-shaped longitudinally elongated countersunk region. This aperture can capture the set-screw within a small range of longitudinal positions, thereby allowing for fine adjustments to be made to align the sidewalls of adjacent post segments joined by the fastening device.

Abstract: A beam-column connection structure is formed, after installing a continued beam member to a predetermined position, by connecting and fixing lateral beam members, to side faces of an end portion of the continued beam member using a drift pin while connection grooves are fitted to side face connection metal fittings which are attached to the end portion, connecting an extension beam member to the end portion of the continued beam member using a drift pin while a connection groove formed at an end face of the extension beam member is fitted to the end face connection metal fitting, and connecting and fixing column members, to the upper face and lower face of the end portion of the continued beam member using a drift pin while fitting holes, formed at end faces of the column members, are fitted to the top end side portions of column connection pole-like fittings.

Abstract: A method for the joining of ceramic pieces with a hermetically sealed joint comprising brazing a continuous layer of joining material between the two pieces. The wetting and flow of the joining material is controlled by the selection of the joining material, the joining temperature, the time at temperature, the joining atmosphere, and other factors. The ceramic pieces may be aluminum nitride and the pieces may be brazed with an aluminum alloy under controlled atmosphere. The joint material is adapted to later withstand both the environments within a process chamber during substrate processing, and the oxygenated atmosphere which may be seen within the shaft of a heater or electrostatic chuck.

Abstract: A lined transport tank for mounting to a truck is provided. The tank has a lined tank body. The tank body has an inner surface. A baffle is removably connected to the inner surface of the tank body. A retaining system is removably connecting the baffle to the inner surface of the tank body. The retaining system has a pair of elongated members fixedly connected to the inner surface of the tank body. The pair of elongated members is restraining movement of the baffle in a first direction. A retainer is connected to the pair of elongated members. The retainer is restraining movement of the baffle in a second direction. The second direction is different from the first direction. A retaining system for removably connecting an element to a surface is also provided.

Abstract: Jacket structure for offshore constructions, particularly jacket structure for offshore wind turbines, including a number of first and second profiles, whereby the first profiles include rods in axial alignment and the second profiles include rods in an angled alignment relative to the first profiles, and a number of node members providing a connection site for the second profiles, wherein the node members are connected to the first profiles and/or at least one adapter profile connected to at least one first profile of the jacket structure via a bolted connection.

Abstract: A tie rod includes a gusset which extends between a rod and a base.

Abstract: There is provided in a preferred embodiment a method and system for attaching a cross member to a tube. The tube has two holes drilled into it at opposite surfaces. The upper body of the cross member is inserted into one hole, through the tube and into the opposite hole. At the opposite hole, the cross member is welded or otherwise affixed to the tube. The lower body of the cross member is designed and adapted to be selectively attached to the upper body.

Abstract: A family of beam cross-connections, including column/beam and beam/beam connections, between beams and columns in a building frame. Each connection within a cross-connection features (a) a pair of parallel-spaced, upright, planar plate components operatively associated with either a side of a column or a side of a beam, (b) an elongate, generally horizontal cross-connection beam including a generally upright, planar central web with an end which, with respect to a pair of such plate components, extends into the space that exists between those components, and (c) a structural relationship involving the plate components in a pair which accommodates (1) vertical-motion placement of a web end between the components, with (2) the automatic establishment thereby of correct relative, spatial, three-dimensional relationships and dispositions of the specific, associated column and/or beam elements so connected.

Abstract: A method for joining members capable of firmly joining a first member made of a tubular member, such as, e.g., a pipe, to a second member is provided. The following items are prepared: a tubular first member 1 having a polygonal cross-section and a hollow portion 3, a second member 5 having an insertion hole 6 with a cross-sectional shape corresponding to a cross-sectional shape of the first member 1, and a split die 11 circumferentially split into multiple segments at positions corresponding to flat wall portions 1a of the first member 1. Then, the first member 1 is inserted into the insertion hole 6 of the second member 5, and the split die 11 is disposed in the hollow portion 3 of the first member 1. Next, each segment 11a of the split die 11 is moved radially outward of the first member 1 toward each corner 1b of the first member.

Abstract: A furniture connector for connecting a first member having a longitudinal axis to a second member positioned transverse to the first member is disclosed. The second member has an interior passage in at least one end thereof and a hole communicating with the interior passage. The furniture connector includes a block, a flange, at least one first bore in the block, at least one first fastener, and at least one second bore in the block transverse to the first bore, and at least one second fastener. The block is removably received within the interior passage of the second member. The flange is secured to the block and abuts against the first member. The first bore extends through the block and the flange. The first fastener passes through the first bore and engages the first member. The first fastener removably secures the block to the first member. The second fastener passes through the hole in the second member and is received in the second bore.

Abstract: A joining arrangement is provided for use in the construction of stud frame which includes a releasable attachment/detachment feature. The first member (plate) includes in at least one side wall a formation which, when members are joined, engages a corresponding formation in at least one wall of the second member (stud). The formation, such as a V-shaped protrusion, is/are disposed at an angle to the longitudinal axis of the member and the formation on the second member is disposed generally parallel to its longitudinal axis such that upon engagement of the first and second members, the respective formations in the first and second members engage such that they are in alignment, thereby, securing the first member to the second. Additionally, a plurality of protrusions, which provide a gripping feature, may be formed on the upper surface of web for inhibiting the stud from sliding, slipping, moving and/or migrating within the plate.

Abstract: An assembling arrangement serves for securing a tubular furniture leg to the top plate of a piece of furniture. The assembling arrangement comprises a through opening formed in the top plate, a top mounting, which spans the through opening on the top side of the top plate, a bottom mounting, which spans the through opening on the bottom side of the top plate and is attached to the leg, a first bore formed through the top mounting and a second bore formed through the bottom mounting in line with the first bore, a screw having a shaft extending downwards in the leg via the first bore, the through opening and the second bore, a nut for the screw shaft placed in the leg, and an anchoring mechanism for firmly anchoring the nut in the leg in the secured state of the leg. The assembling arrangement is inexpensive and strong and can advantageously be used for mounting legs upon cantilever tables and chairs.

Abstract: Method and apparatus for making a contoured muntin bar assembly or grid. A tubular muntin bar grid has a first muntin bar formed from an elongated tube having ends that engage a window spacer frame and include side walls that have relatively narrow top and bottom planar walls and relatively wider side planar walls. The top and bottom planar walls defining one or more slots that define intersecting muntin bar positions. One or more intersecting muntin bars formed from elongated tubes have ends that engages the first elongated muntin bar in a region of a slot. The grid includes one or more joiner clips for positioning the one or more intersecting muntin bars in relation to said first muntin bar.

Abstract: Presented is a vibration damper that includes an outer cylinder with a lateral surface, a pin-shaped fastening element that includes a stop surface, and a mounting coupled to the lateral surface. The mounting defines a through-hole that is configured to receive the pin-shaped fastening element and extends circumferentially with respect to the lateral surface. The mounting includes a formation that extends in a radial direction with respect to the cylinder. The formation cooperates with the outer cylinder to form a socket for the stop surface. The stop surface rests against the mounting in an axial direction of the pin-shaped fastening element.

Abstract: A technique to extensively increase the efficiency of the construction of large-size wooden building and to effectively use the loading space when materials for construction are transported fixes a basic hardware on a lateral surface of a longitudinal member with a subsidiary hardware on an end surface of a lateral member. The basic hardware has an upper tapered portion and a lower receiving portion and is affixed to the longitudinal member. The subsidiary hardware is affixed to the lateral member and has a lower tapered portion and an upper receiving portion that engage with the upper tapered portion and the lower receiving portion, respectively, of the basic hardware to join the longitudinal member and the lateral member together.

Abstract: A connecting assembly is disclosed. The connecting assembly comprises a shaft journal, a constant velocity universal joint and a threaded sleeve. The shaft journal is axially secured. The constant velocity universal joint has an inner joint part engaged by the shaft journal in a rotationally fixed way so as to transmit torque. The threaded sleeve is at least indirectly connected to the inner joint part so as to be axially secured and freely rotatable relative to the inner joint part. The threaded sleeve comprises a thread which is threaded on to a counter thread on the shaft journal so as to axially fix the inner joint part to the shaft journal.

Abstract: A slot nut is provided for securing a threaded rod to a section of channel where the channel defines a slot and the slot nut is affixed to the threaded rod prior to receipt within the slot. A method of securing threaded rod to channel defining a slot using a slot nut is also disclosed wherein the slot nut is affixed to the threaded rod prior to the threaded rod being positioned within the channel slot.

Abstract: A deck plank fastener for securing the deck planks to the underlying joists of a decking structure. The fastener includes a flat body, a top surface, a first end including a first hole, a second end including a second hole, and two upward tabs. One such fastener is attached to an edge of the bottom surface of the plank by inserting an anchoring element through the first hole and to an upper surface of a joist by inserting an anchoring element through the second hole. A second such fastener is attached to the opposing edge of the bottom surface of the plank by inserting an anchoring element through the first hole and is projected under an adjacent plank in the area of the second end. The two upward tabs ensure uniform spacing and parallelism between adjacent planks.

Abstract: A shaft retainer includes a plate having a slot extending from an edge of the plate for engaging a radial groove formed in a shaft and a fastening device for fastening the plate to a structure to prevent axial movement of the shaft relative to the structure.

Abstract: A method for joining members capable of firmly joining a first member made of a tubular member, such as, e.g., a pipe, to a second member is provided. The following items are prepared: a tubular first member 1 having a polygonal cross-section and a hollow portion 3, a second member 5 having an insertion hole 6 with a cross-sectional shape corresponding to a cross-sectional shape of the first member 1, and a split die 11 circumferentially split into multiple segments at positions corresponding to flat wall portions 1a of the first member 1. Then, the first member 1 is inserted into the insertion hole 6 of the second member 5, and the split die 11 is disposed in the hollow portion 3 of the first member 1. Next, each segment 11a of the split die 11 is moved radially outward of the first member 1 toward each corner 1b of the first member.